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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
177static struct pm_qos_request_list ipw2100_pm_qos_req;
178
179
180#ifdef CONFIG_IPW2100_DEBUG
181#define IPW2100_RX_DEBUG
182#endif
183
184MODULE_DESCRIPTION(DRV_DESCRIPTION);
185MODULE_VERSION(DRV_VERSION);
186MODULE_AUTHOR(DRV_COPYRIGHT);
187MODULE_LICENSE("GPL");
188
189static int debug = 0;
190static int network_mode = 0;
191static int channel = 0;
192static int associate = 0;
193static int disable = 0;
194#ifdef CONFIG_PM
195static struct ipw2100_fw ipw2100_firmware;
196#endif
197
198#include <linux/moduleparam.h>
199module_param(debug, int, 0444);
200module_param_named(mode, network_mode, int, 0444);
201module_param(channel, int, 0444);
202module_param(associate, int, 0444);
203module_param(disable, int, 0444);
204
205MODULE_PARM_DESC(debug, "debug level");
206MODULE_PARM_DESC(mode, "network mode (0=BSS,1=IBSS,2=Monitor)");
207MODULE_PARM_DESC(channel, "channel");
208MODULE_PARM_DESC(associate, "auto associate when scanning (default off)");
209MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])");
210
211static u32 ipw2100_debug_level = IPW_DL_NONE;
212
213#ifdef CONFIG_IPW2100_DEBUG
214#define IPW_DEBUG(level, message...) \
215do { \
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
225
226#ifdef CONFIG_IPW2100_DEBUG
227static const char *command_types[] = {
228 "undefined",
229 "unused",
230 "HOST_COMPLETE",
231 "unused",
232 "unused",
233 "unused",
234 "SYSTEM_CONFIG",
235 "unused",
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",
282 "unused",
283 "undefined",
284 "undefined",
285 "undefined",
286 "HOST_PRE_POWER_DOWN",
287 "unused",
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
303static 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
312static const long ipw2100_rates_11b[] = {
313 1000000,
314 2000000,
315 5500000,
316 11000000
317};
318
319static 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
329static void ipw2100_tx_send_commands(struct ipw2100_priv *priv);
330static void ipw2100_tx_send_data(struct ipw2100_priv *priv);
331static int ipw2100_adapter_setup(struct ipw2100_priv *priv);
332
333static void ipw2100_queues_initialize(struct ipw2100_priv *priv);
334static void ipw2100_queues_free(struct ipw2100_priv *priv);
335static int ipw2100_queues_allocate(struct ipw2100_priv *priv);
336
337static int ipw2100_fw_download(struct ipw2100_priv *priv,
338 struct ipw2100_fw *fw);
339static int ipw2100_get_firmware(struct ipw2100_priv *priv,
340 struct ipw2100_fw *fw);
341static int ipw2100_get_fwversion(struct ipw2100_priv *priv, char *buf,
342 size_t max);
343static int ipw2100_get_ucodeversion(struct ipw2100_priv *priv, char *buf,
344 size_t max);
345static void ipw2100_release_firmware(struct ipw2100_priv *priv,
346 struct ipw2100_fw *fw);
347static int ipw2100_ucode_download(struct ipw2100_priv *priv,
348 struct ipw2100_fw *fw);
349static void ipw2100_wx_event_work(struct work_struct *work);
350static struct iw_statistics *ipw2100_wx_wireless_stats(struct net_device *dev);
351static struct iw_handler_def ipw2100_wx_handler_def;
352
353static 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
359static 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
365static 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
372static 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
378static 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
384static 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
390static 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
397static 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
404static 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
411static 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
418static 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
425static 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
432static 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
438static 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
443static 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
452 aligned_addr = addr & (~0x3);
453 dif_len = addr - aligned_addr;
454 if (dif_len) {
455
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
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
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
481static 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
490 aligned_addr = addr & (~0x3);
491 dif_len = addr - aligned_addr;
492 if (dif_len) {
493
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
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
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
518static 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
527static 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
568 read_nic_dword(priv->net_dev,
569 ordinals->table2_addr + (ord << 3), &addr);
570
571
572
573 read_nic_dword(priv->net_dev,
574 ordinals->table2_addr + (ord << 3) + sizeof(u32),
575 &field_info);
576
577
578 field_len = *((u16 *) & field_info);
579
580
581 field_count = *(((u16 *) & field_info) + 1);
582
583
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
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
606static 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
636static 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
671static 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
689static void schedule_reset(struct ipw2100_priv *priv)
690{
691 unsigned long now = get_seconds();
692
693
694
695
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)
726static 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
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
800
801
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
826
827
828
829
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
842
843
844static 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
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
861 for (address = 0; address < 5; address++) {
862
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
881
882
883
884
885
886
887#define IPW_CARD_DISABLE_COMPLETE_WAIT 100
888static 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
905
906
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
928
929
930
931static int sw_reset_and_clock(struct ipw2100_priv *priv)
932{
933 int i;
934 u32 r;
935
936
937 write_register(priv->net_dev, IPW_REG_RESET_REG,
938 IPW_AUX_HOST_RESET_REG_SW_RESET);
939
940
941 for (i = 0; i < 1000; i++) {
942 udelay(IPW_WAIT_RESET_ARC_COMPLETE_DELAY);
943
944
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;
952
953
954
955 write_register(priv->net_dev, IPW_REG_GP_CNTRL,
956 IPW_AUX_HOST_GP_CNTRL_BIT_INIT_DONE);
957
958
959 for (i = 0; i < 10000; i++) {
960 udelay(IPW_WAIT_CLOCK_STABILIZATION_DELAY * 4);
961
962
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;
970
971
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
981
982
983
984
985
986
987
988
989
990static int ipw2100_download_firmware(struct ipw2100_priv *priv)
991{
992 u32 address;
993 int err;
994
995#ifndef CONFIG_PM
996
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
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
1043 write_nic_dword(priv->net_dev,
1044 IPW_INTERNAL_REGISTER_HALT_AND_RESET, 0x80000000);
1045
1046
1047 write_register(priv->net_dev, IPW_REG_RESET_REG, 0);
1048
1049
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
1058 write_nic_dword(priv->net_dev,
1059 IPW_INTERNAL_REGISTER_HALT_AND_RESET, 0x00000000);
1060
1061
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
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
1080
1081
1082
1083
1084
1085
1086 ipw2100_release_firmware(priv, &ipw2100_firmware);
1087#endif
1088
1089
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
1113static 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
1121static 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
1129static 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
1151static inline void ipw2100_hw_set_gpio(struct ipw2100_priv *priv)
1152{
1153 u32 reg = 0;
1154
1155
1156
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
1163static 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, ®);
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
1195static int ipw2100_get_hw_features(struct ipw2100_priv *priv)
1196{
1197 u32 addr, len;
1198 u32 val;
1199
1200
1201
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
1215
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
1222
1223
1224
1225
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
1239
1240
1241
1242
1243static 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
1255
1256
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
1266
1267 ipw2100_queues_initialize(priv);
1268
1269 ipw2100_hw_set_gpio(priv);
1270
1271
1272
1273
1274
1275 write_register(priv->net_dev, IPW_REG_RESET_REG, 0);
1276
1277
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
1283
1284 read_register(priv->net_dev, IPW_REG_INTA, &inta);
1285
1286
1287 if (inta & IPW2100_INTA_FW_INIT_DONE) {
1288
1289 write_register(priv->net_dev, IPW_REG_INTA,
1290 IPW2100_INTA_FW_INIT_DONE);
1291 break;
1292 }
1293
1294
1295
1296
1297 if (inta &
1298 (IPW2100_INTA_FATAL_ERROR | IPW2100_INTA_PARITY_ERROR)) {
1299
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
1307
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
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
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
1333 priv->status |= STATUS_RUNNING;
1334
1335
1336 priv->status &= ~(STATUS_ASSOCIATING | STATUS_ASSOCIATED);
1337
1338 IPW_DEBUG_INFO("exit\n");
1339
1340 return 0;
1341}
1342
1343static 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
1354static 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
1364 write_register(priv->net_dev, IPW_REG_RESET_REG,
1365 IPW_AUX_HOST_RESET_REG_STOP_MASTER);
1366
1367
1368
1369 i = 5;
1370 do {
1371 udelay(IPW_WAIT_RESET_MASTER_ASSERT_COMPLETE_DELAY);
1372 read_register(priv->net_dev, IPW_REG_RESET_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
1390 ipw2100_reset_fatalerror(priv);
1391
1392
1393 priv->status &= ~(STATUS_RUNNING | STATUS_ASSOCIATING |
1394 STATUS_ASSOCIATED | STATUS_ENABLED);
1395
1396 return 0;
1397}
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407static 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
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
1441static 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
1485static 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
1503
1504
1505 if (!priv->fatal_error) {
1506
1507
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
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
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
1550
1551
1552 ipw2100_hw_set_gpio(priv);
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562 write_register(priv->net_dev, IPW_REG_RESET_REG,
1563 IPW_AUX_HOST_RESET_REG_STOP_MASTER);
1564
1565
1566
1567 for (i = 5; i > 0; i--) {
1568 udelay(10);
1569
1570
1571 read_register(priv->net_dev, IPW_REG_RESET_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
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
1591static 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
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
1636static 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
1668static 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
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
1693
1694
1695
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
1709static const struct libipw_geo ipw_geos[] = {
1710 {
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
1721static 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
1729 if (priv->suspend_time) {
1730 libipw_networks_age(priv->ieee, priv->suspend_time);
1731 priv->suspend_time = 0;
1732 }
1733
1734
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
1742
1743
1744 pm_qos_update_request(&ipw2100_pm_qos_req, 175);
1745
1746
1747 spin_lock_irqsave(&priv->low_lock, flags);
1748 ipw2100_disable_interrupts(priv);
1749
1750
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
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
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
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
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
1819 ipw2100_enable_interrupts(priv);
1820
1821
1822
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
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
1842 ipw2100_set_scan_options(priv);
1843 ipw2100_start_scan(priv);
1844 }
1845
1846 exit:
1847 return rc;
1848}
1849
1850static 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
1860 if (!priv->stop_rf_kill) {
1861 priv->stop_rf_kill = 1;
1862 cancel_delayed_work(&priv->rf_kill);
1863 }
1864
1865
1866 if (!priv->stop_hang_check) {
1867 priv->stop_hang_check = 1;
1868 cancel_delayed_work(&priv->hang_check);
1869 }
1870
1871
1872 if (priv->status & STATUS_RESET_PENDING)
1873 cancel_delayed_work(&priv->reset_work);
1874
1875
1876
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
1886
1887
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
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
1904static 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
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
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
1947
1948
1949 }
1950
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
1965static 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
1983
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
1990 priv->stop_hang_check = 1;
1991 cancel_delayed_work(&priv->hang_check);
1992
1993
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
2002static 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
2017
2018
2019
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
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
2092static 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
2116
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
2126
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
2143static 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
2174static 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
2180 wiphy_rfkill_set_hw_state(priv->ieee->wdev.wiphy, true);
2181 priv->status |= STATUS_RF_KILL_HW;
2182
2183
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
2190static 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
2200static 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
2206static 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
2212static void isr_scan_complete(struct ipw2100_priv *priv, u32 status)
2213{
2214 IPW_DEBUG_SCAN("scan complete\n");
2215
2216 priv->ieee->scans++;
2217 priv->status &= ~STATUS_SCANNING;
2218
2219
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 }
2234struct 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 }
2241struct ipw2100_status_indicator {
2242 int status;
2243 void (*cb) (struct ipw2100_priv * priv, u32 status);
2244};
2245#endif
2246
2247static void isr_indicate_scanning(struct ipw2100_priv *priv, u32 status)
2248{
2249 IPW_DEBUG_SCAN("Scanning...\n");
2250 priv->status |= STATUS_SCANNING;
2251}
2252
2253static 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
2269static 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
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
2297static 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
2319static 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
2328static 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
2340
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))
2352static 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
2363static 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
2383static 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
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437#ifdef IPW2100_RX_DEBUG
2438static u8 packet_data[IPW_RX_NIC_BUFFER_LENGTH];
2439#endif
2440
2441static 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
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, ®);
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
2486static 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
2526
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
2541 dev_kfree_skb_any(packet->skb);
2542 packet->skb = NULL;
2543 }
2544
2545
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
2551 IPW_DEBUG_INFO("TODO: Shutdown adapter...\n");
2552 }
2553
2554
2555 priv->rx_queue.drv[i].host_addr = packet->dma_addr;
2556}
2557
2558#ifdef CONFIG_IPW2100_MONITOR
2559
2560static 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
2568
2569
2570 struct ipw_rt_hdr {
2571 struct ieee80211_radiotap_header rt_hdr;
2572 s8 rt_dbmsignal;
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;
2611 ipw_rt->rt_hdr.it_len = cpu_to_le16(sizeof(struct ipw_rt_hdr));
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
2623 dev_kfree_skb_any(packet->skb);
2624 packet->skb = NULL;
2625 }
2626
2627
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
2633 IPW_DEBUG_INFO("TODO: Shutdown adapter...\n");
2634 }
2635
2636
2637 priv->rx_queue.drv[i].host_addr = packet->dma_addr;
2638}
2639
2640#endif
2641
2642static 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
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698static 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
2722
2723
2724 packet = &priv->rx_buffers[i];
2725
2726
2727
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
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
2790 rxq->drv[i].status.info.field = 0;
2791
2792 i = (i + 1) % rxq->entries;
2793 }
2794
2795 if (i != s) {
2796
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
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843static 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
2862 switch (packet->type) {
2863 case COMMAND:
2864
2865 descriptors_used = 1;
2866 e = txq->oldest;
2867 break;
2868
2869 case DATA:
2870
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
2884
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
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
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
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
2974
2975 if (priv->status & STATUS_ASSOCIATED)
2976 netif_wake_queue(priv->net_dev);
2977
2978
2979
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
3008 txq->oldest = (e + 1) % txq->entries;
3009
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
3019static 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
3033static 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
3043
3044
3045
3046
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
3069 tbd->host_addr = packet->info.c_struct.cmd_phys;
3070 tbd->buf_length = sizeof(struct ipw2100_cmd_header);
3071
3072
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
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
3090
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
3100
3101
3102static 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
3115
3116
3117
3118
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
3126
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
3150
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
3155
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
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
3234
3235 write_register(priv->net_dev,
3236 IPW_MEM_HOST_SHARED_TX_QUEUE_WRITE_INDEX,
3237 txq->next);
3238 }
3239}
3240
3241static 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
3259
3260
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
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
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
3362static 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
3373
3374
3375
3376 if (!(priv->status & STATUS_INT_ENABLED)) {
3377
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
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
3394 goto none;
3395 }
3396
3397
3398
3399
3400
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
3412static 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
3453fail_unlock:
3454 netif_stop_queue(dev);
3455 spin_unlock_irqrestore(&priv->low_lock, flags);
3456 return NETDEV_TX_BUSY;
3457}
3458
3459static 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
3510static 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
3524static 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
3543static 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
3563static DEVICE_ATTR(pci, S_IRUGO, show_pci, NULL);
3564
3565static 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
3572static DEVICE_ATTR(cfg, S_IRUGO, show_cfg, NULL);
3573
3574static 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
3581static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
3582
3583static 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
3590static DEVICE_ATTR(capability, S_IRUGO, show_capability, NULL);
3591
3592#define IPW2100_REG(x) { IPW_ ##x, #x }
3593static const struct {
3594 u32 addr;
3595 const char *name;
3596} hw_data[] = {
3597IPW2100_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 }
3602static const struct {
3603 u32 addr;
3604 const char *name;
3605 size_t size;
3606} nic_data[] = {
3607IPW2100_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 }
3610static const struct {
3611 u8 index;
3612 const char *name;
3613 const char *desc;
3614} ord_data[] = {
3615IPW2100_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
3827static 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
3847static DEVICE_ATTR(registers, S_IRUGO, show_registers, NULL);
3848
3849static 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
3888static DEVICE_ATTR(hardware, S_IRUGO, show_hardware, NULL);
3889
3890static 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
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
3947static 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;
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
3982static DEVICE_ATTR(memory, S_IWUSR | S_IRUGO, show_memory, store_memory);
3983
3984static 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
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
4018static DEVICE_ATTR(ordinals, S_IRUGO, show_ordinals, NULL);
4019
4020static 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
4039static DEVICE_ATTR(stats, S_IRUGO, show_stats, NULL);
4040
4041static 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
4068 }
4069
4070 priv->ieee->iw_mode = mode;
4071
4072#ifdef CONFIG_PM
4073
4074
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
4085static 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
4137static DEVICE_ATTR(internals, S_IRUGO, show_internals, NULL);
4138
4139static 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
4182static DEVICE_ATTR(bssinfo, S_IRUGO, show_bssinfo, NULL);
4183
4184#ifdef CONFIG_IPW2100_DEBUG
4185static ssize_t show_debug_level(struct device_driver *d, char *buf)
4186{
4187 return sprintf(buf, "0x%08X\n", ipw2100_debug_level);
4188}
4189
4190static 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
4211static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO, show_debug_level,
4212 store_debug_level);
4213#endif
4214
4215static 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
4240static 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
4249static DEVICE_ATTR(fatal_error, S_IWUSR | S_IRUGO, show_fatal_error,
4250 store_fatal_error);
4251
4252static 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
4259static 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;
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
4295static DEVICE_ATTR(scan_age, S_IWUSR | S_IRUGO, show_scan_age, store_scan_age);
4296
4297static ssize_t show_rf_kill(struct device *d, struct device_attribute *attr,
4298 char *buf)
4299{
4300
4301
4302
4303
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
4310static 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
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
4342static 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
4350static DEVICE_ATTR(rf_kill, S_IWUSR | S_IRUGO, show_rf_kill, store_rf_kill);
4351
4352static 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
4370static struct attribute_group ipw2100_attribute_group = {
4371 .attrs = ipw2100_sysfs_entries,
4372};
4373
4374static 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
4396static 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
4410static 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
4432static 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
4447static 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
4464static 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
4480static 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
4542static void ipw2100_tx_initialize(struct ipw2100_priv *priv)
4543{
4544 int i;
4545
4546 IPW_DEBUG_INFO("enter\n");
4547
4548
4549
4550
4551 INIT_LIST_HEAD(&priv->fw_pend_list);
4552 INIT_STAT(&priv->fw_pend_stat);
4553
4554
4555
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
4564
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
4592static 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
4624static 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
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
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
4694static 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
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
4718static 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
4746static 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
4768
4769
4770
4771static 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
4797static 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
4830 err = ipw2100_hw_send_command(priv, &cmd);
4831
4832 if (!batch_mode)
4833 ipw2100_enable_adapter(priv);
4834
4835 return err;
4836}
4837
4838static 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
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
4888static 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
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
4925
4926
4927 err = ipw2100_hw_send_command(priv, &cmd);
4928 if (err)
4929 return err;
4930
4931
4932
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
4949static 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
4968 ipw2100_hw_send_command(priv, &cmd);
4969
4970
4971 cmd.host_command = TX_RATES;
4972 ipw2100_hw_send_command(priv, &cmd);
4973
4974
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
4989static 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
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
5024static 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
5048int 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
5088static 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
5108static 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
5128static 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
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
5162static 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
5176
5177
5178
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
5186static int ipw2100_set_wpa_ie(struct ipw2100_priv *,
5187 struct ipw2100_wpa_assoc_frame *, int)
5188 __attribute__ ((unused));
5189
5190static 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
5222struct 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
5230static 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
5247
5248
5249
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
5296static 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
5320static 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
5355static 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
5362static 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
5369static 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
5386static 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
5411 err = ipw2100_hw_send_command(priv, &cmd);
5412
5413 if (!batch_mode)
5414 ipw2100_enable_adapter(priv);
5415
5416 return err;
5417}
5418
5419struct ipw2100_wep_key {
5420 u8 idx;
5421 u8 len;
5422 u8 key[13];
5423};
5424
5425
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
5433
5434
5435
5436
5437
5438
5439
5440
5441
5442
5443
5444
5445
5446static 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
5462
5463
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
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
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
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
5509static 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
5536 err = ipw2100_hw_send_command(priv, &cmd);
5537
5538 if (!batch_mode)
5539 ipw2100_enable_adapter(priv);
5540
5541 return err;
5542}
5543
5544static 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
5605
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
5622static 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
5628
5629
5630 if (!(priv->status & STATUS_ASSOCIATED) &&
5631 priv->status & STATUS_SECURITY_UPDATED)
5632 ipw2100_configure_security(priv, 0);
5633}
5634
5635static 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
5707
5708
5709
5710
5711 if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)))
5712 ipw2100_configure_security(priv, 0);
5713 done:
5714 mutex_unlock(&priv->action_mutex);
5715}
5716
5717static 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
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
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
5810
5811
5812
5813
5814
5815 IPW_DEBUG_INFO("exit\n");
5816
5817 return 0;
5818}
5819
5820
5821
5822
5823
5824
5825
5826
5827
5828
5829static 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
5857static 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
5873static 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
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
5911
5912static 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
5928static int ipw2100_wpa_enable(struct ipw2100_priv *priv, int value)
5929{
5930
5931
5932 priv->ieee->wpa_enabled = value;
5933 return 0;
5934}
5935
5936static 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
5965static 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
5974 memcpy(frame.var_ie, wpa_ie, wpa_ie_len);
5975 frame.var_ie_len = wpa_ie_len;
5976
5977
5978 ipw2100_wpa_enable(priv, 1);
5979 ipw2100_set_wpa_ie(priv, &frame, 0);
5980}
5981
5982static 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
6000static 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
6006static const struct ethtool_ops ipw2100_ethtool_ops = {
6007 .get_link = ipw2100_ethtool_get_link,
6008 .get_drvinfo = ipw_ethtool_get_drvinfo,
6009};
6010
6011static 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
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
6031 IPW_DEBUG_INFO("%s: Firmware RTC stalled.\n",
6032 priv->net_dev->name);
6033
6034 restart = 1;
6035 }
6036
6037 if (restart) {
6038
6039 priv->stop_hang_check = 1;
6040 priv->hangs++;
6041
6042
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
6054static 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
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
6084static void ipw2100_irq_tasklet(struct ipw2100_priv *priv);
6085
6086static 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
6098
6099static 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
6134
6135
6136
6137
6138
6139
6140
6141
6142
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
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
6226 priv->stop_rf_kill = 1;
6227 priv->stop_hang_check = 1;
6228
6229 return dev;
6230}
6231
6232static 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
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
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
6302
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
6319 priv->status |= STATUS_INT_ENABLED;
6320 ipw2100_disable_interrupts(priv);
6321
6322
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
6346
6347
6348
6349
6350
6351
6352
6353
6354
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
6368 err = sysfs_create_group(&pci_dev->dev.kobj, &ipw2100_attribute_group);
6369 if (err)
6370 goto fail_unlock;
6371
6372
6373
6374 if (!(priv->status & STATUS_RF_KILL_MASK)) {
6375
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
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
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
6433static 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
6452 ipw2100_down(priv);
6453
6454
6455
6456 mutex_unlock(&priv->action_mutex);
6457
6458
6459
6460
6461 unregister_netdev(dev);
6462
6463
6464
6465 ipw2100_kill_workqueue(priv);
6466
6467 ipw2100_queues_free(priv);
6468
6469
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
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
6491static 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
6501 ipw2100_down(priv);
6502 }
6503
6504
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
6518static 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
6544
6545
6546
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
6553
6554 netif_device_attach(dev);
6555
6556 priv->suspend_time = get_seconds() - priv->suspend_at;
6557
6558
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
6568static void ipw2100_shutdown(struct pci_dev *pci_dev)
6569{
6570 struct ipw2100_priv *priv = pci_get_drvdata(pci_dev);
6571
6572
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
6580static DEFINE_PCI_DEVICE_TABLE(ipw2100_pci_id_table) = {
6581 IPW2100_DEV_ID(0x2520),
6582 IPW2100_DEV_ID(0x2521),
6583 IPW2100_DEV_ID(0x2524),
6584 IPW2100_DEV_ID(0x2525),
6585 IPW2100_DEV_ID(0x2526),
6586 IPW2100_DEV_ID(0x2522),
6587 IPW2100_DEV_ID(0x2523),
6588 IPW2100_DEV_ID(0x2527),
6589 IPW2100_DEV_ID(0x2528),
6590 IPW2100_DEV_ID(0x2529),
6591 IPW2100_DEV_ID(0x252B),
6592 IPW2100_DEV_ID(0x252C),
6593 IPW2100_DEV_ID(0x252D),
6594
6595 IPW2100_DEV_ID(0x2550),
6596 IPW2100_DEV_ID(0x2551),
6597 IPW2100_DEV_ID(0x2553),
6598 IPW2100_DEV_ID(0x2554),
6599 IPW2100_DEV_ID(0x2555),
6600
6601 IPW2100_DEV_ID(0x2560),
6602 IPW2100_DEV_ID(0x2562),
6603 IPW2100_DEV_ID(0x2563),
6604 IPW2100_DEV_ID(0x2561),
6605 IPW2100_DEV_ID(0x2565),
6606 IPW2100_DEV_ID(0x2566),
6607 IPW2100_DEV_ID(0x2567),
6608
6609 IPW2100_DEV_ID(0x2570),
6610
6611 IPW2100_DEV_ID(0x2580),
6612 IPW2100_DEV_ID(0x2582),
6613 IPW2100_DEV_ID(0x2583),
6614 IPW2100_DEV_ID(0x2581),
6615 IPW2100_DEV_ID(0x2585),
6616 IPW2100_DEV_ID(0x2586),
6617 IPW2100_DEV_ID(0x2587),
6618
6619 IPW2100_DEV_ID(0x2590),
6620 IPW2100_DEV_ID(0x2592),
6621 IPW2100_DEV_ID(0x2591),
6622 IPW2100_DEV_ID(0x2593),
6623 IPW2100_DEV_ID(0x2596),
6624 IPW2100_DEV_ID(0x2598),
6625
6626 IPW2100_DEV_ID(0x25A0),
6627 {0,},
6628};
6629
6630MODULE_DEVICE_TABLE(pci, ipw2100_pci_id_table);
6631
6632static 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
6646
6647
6648
6649
6650
6651
6652
6653static 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
6673out:
6674 return ret;
6675}
6676
6677
6678
6679
6680static void __exit ipw2100_exit(void)
6681{
6682
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
6691module_init(ipw2100_init);
6692module_exit(ipw2100_exit);
6693
6694static 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
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
6712static 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
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
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 {
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
6758static 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
6764
6765
6766 struct ipw2100_priv *priv = libipw_priv(dev);
6767
6768 wrqu->freq.e = 0;
6769
6770
6771
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
6783static 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
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
6822static 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
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
6841static const s32 timeout_duration[POWER_MODES] = {
6842 350000,
6843 250000,
6844 75000,
6845 37000,
6846 25000,
6847};
6848
6849static const s32 period_duration[POWER_MODES] = {
6850 400000,
6851 700000,
6852 1000000,
6853 1000000,
6854 1000000
6855};
6856
6857static 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
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
6874
6875
6876
6877
6878
6879
6880
6881
6882 range->throughput = 5 * 1000 * 1000;
6883
6884
6885
6886 range->max_qual.qual = 100;
6887
6888 range->max_qual.level = 0;
6889 range->max_qual.noise = 0;
6890 range->max_qual.updated = 7;
6891
6892 range->avg_qual.qual = 70;
6893
6894 range->avg_qual.level = 20 + IPW2100_RSSI_TO_DBM;
6895 range->avg_qual.noise = 0;
6896 range->avg_qual.updated = 7;
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];
6910 range->max_pmp = period_duration[POWER_MODES - 1];
6911 range->min_pmt = timeout_duration[POWER_MODES - 1];
6912 range->max_pmt = timeout_duration[0];
6913
6914
6915 range->pmp_flags = IW_POWER_PERIOD;
6916
6917 range->pmt_flags = IW_POWER_TIMEOUT;
6918
6919 range->pm_capa = IW_POWER_TIMEOUT | IW_POWER_PERIOD;
6920
6921 range->encoding_size[0] = 5;
6922 range->encoding_size[1] = 13;
6923 range->num_encoding_sizes = 2;
6924 range->max_encoding_tokens = WEP_KEYS;
6925
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
6942 range->we_version_compiled = WIRELESS_EXT;
6943 range->we_version_source = 18;
6944
6945
6946
6947
6948
6949
6950
6951
6952
6953 range->num_channels = FREQ_COUNT;
6954
6955 val = 0;
6956 for (i = 0; i < FREQ_COUNT; i++) {
6957
6958
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
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
6982static 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
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
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
7027static 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
7033
7034
7035 struct ipw2100_priv *priv = libipw_priv(dev);
7036
7037
7038
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
7049static 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 = "";
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
7100static 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
7106
7107
7108 struct ipw2100_priv *priv = libipw_priv(dev);
7109 DECLARE_SSID_BUF(ssid);
7110
7111
7112
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;
7119 } else {
7120 IPW_DEBUG_WX("Getting essid: ANY\n");
7121 wrqu->essid.length = 0;
7122 wrqu->essid.flags = 0;
7123 }
7124
7125 return 0;
7126}
7127
7128static 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
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
7150static 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
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;
7163
7164 IPW_DEBUG_WX("GET Nickname -> %s\n", extra);
7165
7166 return 0;
7167}
7168
7169static 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
7209static 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
7261static 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
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
7296static 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
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;
7308
7309
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
7317static 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
7358static 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
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
7385static 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
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
7415static 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
7421
7422
7423 struct ipw2100_priv *priv = libipw_priv(dev);
7424 wrqu->frag.value = priv->frag_threshold & ~FRAG_DISABLED;
7425 wrqu->frag.fixed = 0;
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
7433static 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
7477static 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
7483
7484
7485 struct ipw2100_priv *priv = libipw_priv(dev);
7486
7487 wrqu->retry.disabled = 0;
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
7509static 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
7529
7530 }
7531
7532 done:
7533 mutex_unlock(&priv->action_mutex);
7534 return err;
7535}
7536
7537static 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
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
7551
7552static 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
7558
7559
7560 struct ipw2100_priv *priv = libipw_priv(dev);
7561 return libipw_wx_set_encode(priv->ieee, info, wrqu, key);
7562}
7563
7564static 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
7570
7571
7572 struct ipw2100_priv *priv = libipw_priv(dev);
7573 return libipw_wx_get_encode(priv->ieee, info, wrqu, key);
7574}
7575
7576static 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:
7598 case IW_POWER_MODE:
7599 case IW_POWER_ALL_R:
7600 break;
7601 default:
7602 IPW_DEBUG_WX("SET PM Mode: %X not supported.\n",
7603 wrqu->power.flags);
7604 err = -EOPNOTSUPP;
7605 goto done;
7606 }
7607
7608
7609
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
7621static 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
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
7645
7646
7647
7648static 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
7684static 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
7706static 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
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
7745
7746
7747
7748
7749
7750
7751
7752
7753
7754
7755 struct libipw_security sec = {
7756 .flags = SEC_ENABLED,
7757 .enabled = param->value,
7758 };
7759 priv->ieee->drop_unencrypted = param->value;
7760
7761
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
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
7799static 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
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
7861static 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
7870static 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
7879static 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
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
7907
7908
7909#ifdef CONFIG_IPW2100_MONITOR
7910static 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
7941static 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
7953static 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
7977static 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
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
8017static 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
8046static 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
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
8065static 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
8093static 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
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
8111
8112static iw_handler ipw2100_wx_handlers[] = {
8113 NULL,
8114 ipw2100_wx_get_name,
8115 NULL,
8116 NULL,
8117 ipw2100_wx_set_freq,
8118 ipw2100_wx_get_freq,
8119 ipw2100_wx_set_mode,
8120 ipw2100_wx_get_mode,
8121 NULL,
8122 NULL,
8123 NULL,
8124 ipw2100_wx_get_range,
8125 NULL,
8126 NULL,
8127 NULL,
8128 NULL,
8129 NULL,
8130 NULL,
8131 NULL,
8132 NULL,
8133 ipw2100_wx_set_wap,
8134 ipw2100_wx_get_wap,
8135 ipw2100_wx_set_mlme,
8136 NULL,
8137 ipw2100_wx_set_scan,
8138 ipw2100_wx_get_scan,
8139 ipw2100_wx_set_essid,
8140 ipw2100_wx_get_essid,
8141 ipw2100_wx_set_nick,
8142 ipw2100_wx_get_nick,
8143 NULL,
8144 NULL,
8145 ipw2100_wx_set_rate,
8146 ipw2100_wx_get_rate,
8147 ipw2100_wx_set_rts,
8148 ipw2100_wx_get_rts,
8149 ipw2100_wx_set_frag,
8150 ipw2100_wx_get_frag,
8151 ipw2100_wx_set_txpow,
8152 ipw2100_wx_get_txpow,
8153 ipw2100_wx_set_retry,
8154 ipw2100_wx_get_retry,
8155 ipw2100_wx_set_encode,
8156 ipw2100_wx_get_encode,
8157 ipw2100_wx_set_power,
8158 ipw2100_wx_get_power,
8159 NULL,
8160 NULL,
8161 ipw2100_wx_set_genie,
8162 ipw2100_wx_get_genie,
8163 ipw2100_wx_set_auth,
8164 ipw2100_wx_get_auth,
8165 ipw2100_wx_set_encodeext,
8166 ipw2100_wx_get_encodeext,
8167 NULL,
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
8179static 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
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
8211};
8212
8213static iw_handler ipw2100_private_handler[] = {
8214#ifdef CONFIG_IPW2100_MONITOR
8215 ipw2100_wx_set_promisc,
8216 ipw2100_wx_reset,
8217#else
8218 NULL,
8219 NULL,
8220#endif
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
8229 NULL,
8230 NULL,
8231#endif
8232};
8233
8234
8235
8236
8237
8238
8239static 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
8265
8266
8267
8268
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
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
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
8377static 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
8387static 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
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
8413
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
8426
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
8455
8456
8457
8458
8459
8460
8461
8462
8463
8464
8465
8466struct ipw2100_fw_header {
8467 short version;
8468 short mode;
8469 unsigned int fw_size;
8470 unsigned int uc_size;
8471} __packed;
8472
8473static 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
8495static 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
8535MODULE_FIRMWARE(IPW2100_FW_NAME("-i"));
8536#ifdef CONFIG_IPW2100_MONITOR
8537MODULE_FIRMWARE(IPW2100_FW_NAME("-p"));
8538#endif
8539MODULE_FIRMWARE(IPW2100_FW_NAME(""));
8540
8541static 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
8550static 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
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
8569static int ipw2100_get_ucodeversion(struct ipw2100_priv *priv, char *buf,
8570 size_t max)
8571{
8572 u32 ver;
8573 u32 len = sizeof(ver);
8574
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
8582
8583static int ipw2100_fw_download(struct ipw2100_priv *priv, struct ipw2100_fw *fw)
8584{
8585
8586
8587
8588
8589
8590
8591
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
8623struct 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;
8633 u16 powerup_settle_time;
8634 u16 hop_settle_time;
8635 u8 date[3];
8636 u8 time[2];
8637 u8 ucode_valid;
8638};
8639
8640static 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
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
8659 write_nic_byte(dev, 0x210014, 0x72);
8660 readl(reg);
8661 write_nic_byte(dev, 0x210014, 0x72);
8662 readl(reg);
8663
8664
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
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
8681 write_nic_byte(dev, 0x210000, 0x0);
8682 readl(reg);
8683
8684
8685
8686 write_nic_byte(dev, 0x210000, 0x0);
8687 readl(reg);
8688 write_nic_byte(dev, 0x210000, 0x80);
8689 readl(reg);
8690
8691
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
8698 write_nic_byte(dev, 0x210014, 0x72);
8699 readl(reg);
8700 write_nic_byte(dev, 0x210014, 0x72);
8701 readl(reg);
8702
8703
8704
8705 write_nic_byte(dev, 0x210000, 0x00);
8706 readl(reg);
8707 write_nic_byte(dev, 0x210000, 0x80);
8708
8709
8710
8711 for (i = 0; i < 10; i++) {
8712 udelay(10);
8713
8714
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
8727 for (i = 0; i < 30; i++) {
8728
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}
8748