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spi-topcliff-pch: supports a spi mode setup and bit order setup by IO control
[zen-stable.git] / drivers / net / wireless / orinoco / hw.c
blobc09c8437c0b821072633c1022b348722d3913170
1 /* Encapsulate basic setting changes and retrieval on Hermes hardware
2 *
3 * See copyright notice in main.c
4 */
5 #include <linux/kernel.h>
6 #include <linux/device.h>
7 #include <linux/if_arp.h>
8 #include <linux/ieee80211.h>
9 #include <linux/wireless.h>
10 #include <net/cfg80211.h>
11 #include "hermes.h"
12 #include "hermes_rid.h"
13 #include "orinoco.h"
14
15 #include "hw.h"
16
17 #define SYMBOL_MAX_VER_LEN (14)
18
19 /* Symbol firmware has a bug allocating buffers larger than this */
20 #define TX_NICBUF_SIZE_BUG 1585
21
22 /********************************************************************/
23 /* Data tables */
24 /********************************************************************/
25
26 /* This tables gives the actual meanings of the bitrate IDs returned
27 * by the firmware. */
28 static const struct {
29 int bitrate; /* in 100s of kilobits */
30 int automatic;
31 u16 agere_txratectrl;
32 u16 intersil_txratectrl;
33 } bitrate_table[] = {
34 {110, 1, 3, 15}, /* Entry 0 is the default */
35 {10, 0, 1, 1},
36 {10, 1, 1, 1},
37 {20, 0, 2, 2},
38 {20, 1, 6, 3},
39 {55, 0, 4, 4},
40 {55, 1, 7, 7},
41 {110, 0, 5, 8},
42 };
43 #define BITRATE_TABLE_SIZE ARRAY_SIZE(bitrate_table)
44
45 /* Firmware version encoding */
46 struct comp_id {
47 u16 id, variant, major, minor;
48 } __packed;
49
50 static inline enum fwtype determine_firmware_type(struct comp_id *nic_id)
51 {
52 if (nic_id->id < 0x8000)
53 return FIRMWARE_TYPE_AGERE;
54 else if (nic_id->id == 0x8000 && nic_id->major == 0)
55 return FIRMWARE_TYPE_SYMBOL;
56 else
57 return FIRMWARE_TYPE_INTERSIL;
58 }
59
60 /* Set priv->firmware type, determine firmware properties
61 * This function can be called before we have registerred with netdev,
62 * so all errors go out with dev_* rather than printk
63 *
64 * If non-NULL stores a firmware description in fw_name.
65 * If non-NULL stores a HW version in hw_ver
66 *
67 * These are output via generic cfg80211 ethtool support.
68 */
69 int determine_fw_capabilities(struct orinoco_private *priv,
70 char *fw_name, size_t fw_name_len,
71 u32 *hw_ver)
72 {
73 struct device *dev = priv->dev;
74 struct hermes *hw = &priv->hw;
75 int err;
76 struct comp_id nic_id, sta_id;
77 unsigned int firmver;
78 char tmp[SYMBOL_MAX_VER_LEN + 1] __attribute__((aligned(2)));
79
80 /* Get the hardware version */
81 err = HERMES_READ_RECORD(hw, USER_BAP, HERMES_RID_NICID, &nic_id);
82 if (err) {
83 dev_err(dev, "Cannot read hardware identity: error %d\n",
84 err);
85 return err;
86 }
87
88 le16_to_cpus(&nic_id.id);
89 le16_to_cpus(&nic_id.variant);
90 le16_to_cpus(&nic_id.major);
91 le16_to_cpus(&nic_id.minor);
92 dev_info(dev, "Hardware identity %04x:%04x:%04x:%04x\n",
93 nic_id.id, nic_id.variant, nic_id.major, nic_id.minor);
94
95 if (hw_ver)
96 *hw_ver = (((nic_id.id & 0xff) << 24) |
97 ((nic_id.variant & 0xff) << 16) |
98 ((nic_id.major & 0xff) << 8) |
99 (nic_id.minor & 0xff));
100
101 priv->firmware_type = determine_firmware_type(&nic_id);
102
103 /* Get the firmware version */
104 err = HERMES_READ_RECORD(hw, USER_BAP, HERMES_RID_STAID, &sta_id);
105 if (err) {
106 dev_err(dev, "Cannot read station identity: error %d\n",
107 err);
108 return err;
109 }
110
111 le16_to_cpus(&sta_id.id);
112 le16_to_cpus(&sta_id.variant);
113 le16_to_cpus(&sta_id.major);
114 le16_to_cpus(&sta_id.minor);
115 dev_info(dev, "Station identity %04x:%04x:%04x:%04x\n",
116 sta_id.id, sta_id.variant, sta_id.major, sta_id.minor);
117
118 switch (sta_id.id) {
119 case 0x15:
120 dev_err(dev, "Primary firmware is active\n");
121 return -ENODEV;
122 case 0x14b:
123 dev_err(dev, "Tertiary firmware is active\n");
124 return -ENODEV;
125 case 0x1f: /* Intersil, Agere, Symbol Spectrum24 */
126 case 0x21: /* Symbol Spectrum24 Trilogy */
127 break;
128 default:
129 dev_notice(dev, "Unknown station ID, please report\n");
130 break;
131 }
132
133 /* Default capabilities */
134 priv->has_sensitivity = 1;
135 priv->has_mwo = 0;
136 priv->has_preamble = 0;
137 priv->has_port3 = 1;
138 priv->has_ibss = 1;
139 priv->has_wep = 0;
140 priv->has_big_wep = 0;
141 priv->has_alt_txcntl = 0;
142 priv->has_ext_scan = 0;
143 priv->has_wpa = 0;
144 priv->do_fw_download = 0;
145
146 /* Determine capabilities from the firmware version */
147 switch (priv->firmware_type) {
148 case FIRMWARE_TYPE_AGERE:
149 /* Lucent Wavelan IEEE, Lucent Orinoco, Cabletron RoamAbout,
150 ELSA, Melco, HP, IBM, Dell 1150, Compaq 110/210 */
151 if (fw_name)
152 snprintf(fw_name, fw_name_len, "Lucent/Agere %d.%02d",
153 sta_id.major, sta_id.minor);
154
155 firmver = ((unsigned long)sta_id.major << 16) | sta_id.minor;
156
157 priv->has_ibss = (firmver >= 0x60006);
158 priv->has_wep = (firmver >= 0x40020);
159 priv->has_big_wep = 1; /* FIXME: this is wrong - how do we tell
160 Gold cards from the others? */
161 priv->has_mwo = (firmver >= 0x60000);
162 priv->has_pm = (firmver >= 0x40020); /* Don't work in 7.52 ? */
163 priv->ibss_port = 1;
164 priv->has_hostscan = (firmver >= 0x8000a);
165 priv->do_fw_download = 1;
166 priv->broken_monitor = (firmver >= 0x80000);
167 priv->has_alt_txcntl = (firmver >= 0x90000); /* All 9.x ? */
168 priv->has_ext_scan = (firmver >= 0x90000); /* All 9.x ? */
169 priv->has_wpa = (firmver >= 0x9002a);
170 /* Tested with Agere firmware :
171 * 1.16 ; 4.08 ; 4.52 ; 6.04 ; 6.16 ; 7.28 => Jean II
172 * Tested CableTron firmware : 4.32 => Anton */
173 break;
174 case FIRMWARE_TYPE_SYMBOL:
175 /* Symbol , 3Com AirConnect, Intel, Ericsson WLAN */
176 /* Intel MAC : 00:02:B3:* */
177 /* 3Com MAC : 00:50:DA:* */
178 memset(tmp, 0, sizeof(tmp));
179 /* Get the Symbol firmware version */
180 err = hw->ops->read_ltv(hw, USER_BAP,
181 HERMES_RID_SECONDARYVERSION_SYMBOL,
182 SYMBOL_MAX_VER_LEN, NULL, &tmp);
183 if (err) {
184 dev_warn(dev, "Error %d reading Symbol firmware info. "
185 "Wildly guessing capabilities...\n", err);
186 firmver = 0;
187 tmp[0] = '\0';
188 } else {
189 /* The firmware revision is a string, the format is
190 * something like : "V2.20-01".
191 * Quick and dirty parsing... - Jean II
192 */
193 firmver = ((tmp[1] - '0') << 16)
194 | ((tmp[3] - '0') << 12)
195 | ((tmp[4] - '0') << 8)
196 | ((tmp[6] - '0') << 4)
197 | (tmp[7] - '0');
198
199 tmp[SYMBOL_MAX_VER_LEN] = '\0';
200 }
201
202 if (fw_name)
203 snprintf(fw_name, fw_name_len, "Symbol %s", tmp);
204
205 priv->has_ibss = (firmver >= 0x20000);
206 priv->has_wep = (firmver >= 0x15012);
207 priv->has_big_wep = (firmver >= 0x20000);
208 priv->has_pm = (firmver >= 0x20000 && firmver < 0x22000) ||
209 (firmver >= 0x29000 && firmver < 0x30000) ||
210 firmver >= 0x31000;
211 priv->has_preamble = (firmver >= 0x20000);
212 priv->ibss_port = 4;
213
214 /* Symbol firmware is found on various cards, but
215 * there has been no attempt to check firmware
216 * download on non-spectrum_cs based cards.
217 *
218 * Given that the Agere firmware download works
219 * differently, we should avoid doing a firmware
220 * download with the Symbol algorithm on non-spectrum
221 * cards.
222 *
223 * For now we can identify a spectrum_cs based card
224 * because it has a firmware reset function.
225 */
226 priv->do_fw_download = (priv->stop_fw != NULL);
227
228 priv->broken_disableport = (firmver == 0x25013) ||
229 (firmver >= 0x30000 && firmver <= 0x31000);
230 priv->has_hostscan = (firmver >= 0x31001) ||
231 (firmver >= 0x29057 && firmver < 0x30000);
232 /* Tested with Intel firmware : 0x20015 => Jean II */
233 /* Tested with 3Com firmware : 0x15012 & 0x22001 => Jean II */
234 break;
235 case FIRMWARE_TYPE_INTERSIL:
236 /* D-Link, Linksys, Adtron, ZoomAir, and many others...
237 * Samsung, Compaq 100/200 and Proxim are slightly
238 * different and less well tested */
239 /* D-Link MAC : 00:40:05:* */
240 /* Addtron MAC : 00:90:D1:* */
241 if (fw_name)
242 snprintf(fw_name, fw_name_len, "Intersil %d.%d.%d",
243 sta_id.major, sta_id.minor, sta_id.variant);
244
245 firmver = ((unsigned long)sta_id.major << 16) |
246 ((unsigned long)sta_id.minor << 8) | sta_id.variant;
247
248 priv->has_ibss = (firmver >= 0x000700); /* FIXME */
249 priv->has_big_wep = priv->has_wep = (firmver >= 0x000800);
250 priv->has_pm = (firmver >= 0x000700);
251 priv->has_hostscan = (firmver >= 0x010301);
252
253 if (firmver >= 0x000800)
254 priv->ibss_port = 0;
255 else {
256 dev_notice(dev, "Intersil firmware earlier than v0.8.x"
257 " - several features not supported\n");
258 priv->ibss_port = 1;
259 }
260 break;
261 }
262 if (fw_name)
263 dev_info(dev, "Firmware determined as %s\n", fw_name);
264
265 #ifndef CONFIG_HERMES_PRISM
266 if (priv->firmware_type == FIRMWARE_TYPE_INTERSIL) {
267 dev_err(dev, "Support for Prism chipset is not enabled\n");
268 return -ENODEV;
269 }
270 #endif
271
272 return 0;
273 }
274
275 /* Read settings from EEPROM into our private structure.
276 * MAC address gets dropped into callers buffer
277 * Can be called before netdev registration.
278 */
279 int orinoco_hw_read_card_settings(struct orinoco_private *priv, u8 *dev_addr)
280 {
281 struct device *dev = priv->dev;
282 struct hermes_idstring nickbuf;
283 struct hermes *hw = &priv->hw;
284 int len;
285 int err;
286 u16 reclen;
287
288 /* Get the MAC address */
289 err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CNFOWNMACADDR,
290 ETH_ALEN, NULL, dev_addr);
291 if (err) {
292 dev_warn(dev, "Failed to read MAC address!\n");
293 goto out;
294 }
295
296 dev_dbg(dev, "MAC address %pM\n", dev_addr);
297
298 /* Get the station name */
299 err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME,
300 sizeof(nickbuf), &reclen, &nickbuf);
301 if (err) {
302 dev_err(dev, "failed to read station name\n");
303 goto out;
304 }
305 if (nickbuf.len)
306 len = min(IW_ESSID_MAX_SIZE, (int)le16_to_cpu(nickbuf.len));
307 else
308 len = min(IW_ESSID_MAX_SIZE, 2 * reclen);
309 memcpy(priv->nick, &nickbuf.val, len);
310 priv->nick[len] = '\0';
311
312 dev_dbg(dev, "Station name \"%s\"\n", priv->nick);
313
314 /* Get allowed channels */
315 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CHANNELLIST,
316 &priv->channel_mask);
317 if (err) {
318 dev_err(dev, "Failed to read channel list!\n");
319 goto out;
320 }
321
322 /* Get initial AP density */
323 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFSYSTEMSCALE,
324 &priv->ap_density);
325 if (err || priv->ap_density < 1 || priv->ap_density > 3)
326 priv->has_sensitivity = 0;
327
328 /* Get initial RTS threshold */
329 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFRTSTHRESHOLD,
330 &priv->rts_thresh);
331 if (err) {
332 dev_err(dev, "Failed to read RTS threshold!\n");
333 goto out;
334 }
335
336 /* Get initial fragmentation settings */
337 if (priv->has_mwo)
338 err = hermes_read_wordrec(hw, USER_BAP,
339 HERMES_RID_CNFMWOROBUST_AGERE,
340 &priv->mwo_robust);
341 else
342 err = hermes_read_wordrec(hw, USER_BAP,
343 HERMES_RID_CNFFRAGMENTATIONTHRESHOLD,
344 &priv->frag_thresh);
345 if (err) {
346 dev_err(dev, "Failed to read fragmentation settings!\n");
347 goto out;
348 }
349
350 /* Power management setup */
351 if (priv->has_pm) {
352 priv->pm_on = 0;
353 priv->pm_mcast = 1;
354 err = hermes_read_wordrec(hw, USER_BAP,
355 HERMES_RID_CNFMAXSLEEPDURATION,
356 &priv->pm_period);
357 if (err) {
358 dev_err(dev, "Failed to read power management "
359 "period!\n");
360 goto out;
361 }
362 err = hermes_read_wordrec(hw, USER_BAP,
363 HERMES_RID_CNFPMHOLDOVERDURATION,
364 &priv->pm_timeout);
365 if (err) {
366 dev_err(dev, "Failed to read power management "
367 "timeout!\n");
368 goto out;
369 }
370 }
371
372 /* Preamble setup */
373 if (priv->has_preamble) {
374 err = hermes_read_wordrec(hw, USER_BAP,
375 HERMES_RID_CNFPREAMBLE_SYMBOL,
376 &priv->preamble);
377 if (err) {
378 dev_err(dev, "Failed to read preamble setup\n");
379 goto out;
380 }
381 }
382
383 /* Retry settings */
384 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_SHORTRETRYLIMIT,
385 &priv->short_retry_limit);
386 if (err) {
387 dev_err(dev, "Failed to read short retry limit\n");
388 goto out;
389 }
390
391 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_LONGRETRYLIMIT,
392 &priv->long_retry_limit);
393 if (err) {
394 dev_err(dev, "Failed to read long retry limit\n");
395 goto out;
396 }
397
398 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_MAXTRANSMITLIFETIME,
399 &priv->retry_lifetime);
400 if (err) {
401 dev_err(dev, "Failed to read max retry lifetime\n");
402 goto out;
403 }
404
405 out:
406 return err;
407 }
408
409 /* Can be called before netdev registration */
410 int orinoco_hw_allocate_fid(struct orinoco_private *priv)
411 {
412 struct device *dev = priv->dev;
413 struct hermes *hw = &priv->hw;
414 int err;
415
416 err = hw->ops->allocate(hw, priv->nicbuf_size, &priv->txfid);
417 if (err == -EIO && priv->nicbuf_size > TX_NICBUF_SIZE_BUG) {
418 /* Try workaround for old Symbol firmware bug */
419 priv->nicbuf_size = TX_NICBUF_SIZE_BUG;
420 err = hw->ops->allocate(hw, priv->nicbuf_size, &priv->txfid);
421
422 dev_warn(dev, "Firmware ALLOC bug detected "
423 "(old Symbol firmware?). Work around %s\n",
424 err ? "failed!" : "ok.");
425 }
426
427 return err;
428 }
429
430 int orinoco_get_bitratemode(int bitrate, int automatic)
431 {
432 int ratemode = -1;
433 int i;
434
435 if ((bitrate != 10) && (bitrate != 20) &&
436 (bitrate != 55) && (bitrate != 110))
437 return ratemode;
438
439 for (i = 0; i < BITRATE_TABLE_SIZE; i++) {
440 if ((bitrate_table[i].bitrate == bitrate) &&
441 (bitrate_table[i].automatic == automatic)) {
442 ratemode = i;
443 break;
444 }
445 }
446 return ratemode;
447 }
448
449 void orinoco_get_ratemode_cfg(int ratemode, int *bitrate, int *automatic)
450 {
451 BUG_ON((ratemode < 0) || (ratemode >= BITRATE_TABLE_SIZE));
452
453 *bitrate = bitrate_table[ratemode].bitrate * 100000;
454 *automatic = bitrate_table[ratemode].automatic;
455 }
456
457 int orinoco_hw_program_rids(struct orinoco_private *priv)
458 {
459 struct net_device *dev = priv->ndev;
460 struct wireless_dev *wdev = netdev_priv(dev);
461 struct hermes *hw = &priv->hw;
462 int err;
463 struct hermes_idstring idbuf;
464
465 /* Set the MAC address */
466 err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNMACADDR,
467 HERMES_BYTES_TO_RECLEN(ETH_ALEN),
468 dev->dev_addr);
469 if (err) {
470 printk(KERN_ERR "%s: Error %d setting MAC address\n",
471 dev->name, err);
472 return err;
473 }
474
475 /* Set up the link mode */
476 err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFPORTTYPE,
477 priv->port_type);
478 if (err) {
479 printk(KERN_ERR "%s: Error %d setting port type\n",
480 dev->name, err);
481 return err;
482 }
483 /* Set the channel/frequency */
484 if (priv->channel != 0 && priv->iw_mode != NL80211_IFTYPE_STATION) {
485 err = hermes_write_wordrec(hw, USER_BAP,
486 HERMES_RID_CNFOWNCHANNEL,
487 priv->channel);
488 if (err) {
489 printk(KERN_ERR "%s: Error %d setting channel %d\n",
490 dev->name, err, priv->channel);
491 return err;
492 }
493 }
494
495 if (priv->has_ibss) {
496 u16 createibss;
497
498 if ((strlen(priv->desired_essid) == 0) && (priv->createibss)) {
499 printk(KERN_WARNING "%s: This firmware requires an "
500 "ESSID in IBSS-Ad-Hoc mode.\n", dev->name);
501 /* With wvlan_cs, in this case, we would crash.
502 * hopefully, this driver will behave better...
503 * Jean II */
504 createibss = 0;
505 } else {
506 createibss = priv->createibss;
507 }
508
509 err = hermes_write_wordrec(hw, USER_BAP,
510 HERMES_RID_CNFCREATEIBSS,
511 createibss);
512 if (err) {
513 printk(KERN_ERR "%s: Error %d setting CREATEIBSS\n",
514 dev->name, err);
515 return err;
516 }
517 }
518
519 /* Set the desired BSSID */
520 err = __orinoco_hw_set_wap(priv);
521 if (err) {
522 printk(KERN_ERR "%s: Error %d setting AP address\n",
523 dev->name, err);
524 return err;
525 }
526
527 /* Set the desired ESSID */
528 idbuf.len = cpu_to_le16(strlen(priv->desired_essid));
529 memcpy(&idbuf.val, priv->desired_essid, sizeof(idbuf.val));
530 /* WinXP wants partner to configure OWNSSID even in IBSS mode. (jimc) */
531 err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNSSID,
532 HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid) + 2),
533 &idbuf);
534 if (err) {
535 printk(KERN_ERR "%s: Error %d setting OWNSSID\n",
536 dev->name, err);
537 return err;
538 }
539 err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFDESIREDSSID,
540 HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid) + 2),
541 &idbuf);
542 if (err) {
543 printk(KERN_ERR "%s: Error %d setting DESIREDSSID\n",
544 dev->name, err);
545 return err;
546 }
547
548 /* Set the station name */
549 idbuf.len = cpu_to_le16(strlen(priv->nick));
550 memcpy(&idbuf.val, priv->nick, sizeof(idbuf.val));
551 err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME,
552 HERMES_BYTES_TO_RECLEN(strlen(priv->nick) + 2),
553 &idbuf);
554 if (err) {
555 printk(KERN_ERR "%s: Error %d setting nickname\n",
556 dev->name, err);
557 return err;
558 }
559
560 /* Set AP density */
561 if (priv->has_sensitivity) {
562 err = hermes_write_wordrec(hw, USER_BAP,
563 HERMES_RID_CNFSYSTEMSCALE,
564 priv->ap_density);
565 if (err) {
566 printk(KERN_WARNING "%s: Error %d setting SYSTEMSCALE. "
567 "Disabling sensitivity control\n",
568 dev->name, err);
569
570 priv->has_sensitivity = 0;
571 }
572 }
573
574 /* Set RTS threshold */
575 err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFRTSTHRESHOLD,
576 priv->rts_thresh);
577 if (err) {
578 printk(KERN_ERR "%s: Error %d setting RTS threshold\n",
579 dev->name, err);
580 return err;
581 }
582
583 /* Set fragmentation threshold or MWO robustness */
584 if (priv->has_mwo)
585 err = hermes_write_wordrec(hw, USER_BAP,
586 HERMES_RID_CNFMWOROBUST_AGERE,
587 priv->mwo_robust);
588 else
589 err = hermes_write_wordrec(hw, USER_BAP,
590 HERMES_RID_CNFFRAGMENTATIONTHRESHOLD,
591 priv->frag_thresh);
592 if (err) {
593 printk(KERN_ERR "%s: Error %d setting fragmentation\n",
594 dev->name, err);
595 return err;
596 }
597
598 /* Set bitrate */
599 err = __orinoco_hw_set_bitrate(priv);
600 if (err) {
601 printk(KERN_ERR "%s: Error %d setting bitrate\n",
602 dev->name, err);
603 return err;
604 }
605
606 /* Set power management */
607 if (priv->has_pm) {
608 err = hermes_write_wordrec(hw, USER_BAP,
609 HERMES_RID_CNFPMENABLED,
610 priv->pm_on);
611 if (err) {
612 printk(KERN_ERR "%s: Error %d setting up PM\n",
613 dev->name, err);
614 return err;
615 }
616
617 err = hermes_write_wordrec(hw, USER_BAP,
618 HERMES_RID_CNFMULTICASTRECEIVE,
619 priv->pm_mcast);
620 if (err) {
621 printk(KERN_ERR "%s: Error %d setting up PM\n",
622 dev->name, err);
623 return err;
624 }
625 err = hermes_write_wordrec(hw, USER_BAP,
626 HERMES_RID_CNFMAXSLEEPDURATION,
627 priv->pm_period);
628 if (err) {
629 printk(KERN_ERR "%s: Error %d setting up PM\n",
630 dev->name, err);
631 return err;
632 }
633 err = hermes_write_wordrec(hw, USER_BAP,
634 HERMES_RID_CNFPMHOLDOVERDURATION,
635 priv->pm_timeout);
636 if (err) {
637 printk(KERN_ERR "%s: Error %d setting up PM\n",
638 dev->name, err);
639 return err;
640 }
641 }
642
643 /* Set preamble - only for Symbol so far... */
644 if (priv->has_preamble) {
645 err = hermes_write_wordrec(hw, USER_BAP,
646 HERMES_RID_CNFPREAMBLE_SYMBOL,
647 priv->preamble);
648 if (err) {
649 printk(KERN_ERR "%s: Error %d setting preamble\n",
650 dev->name, err);
651 return err;
652 }
653 }
654
655 /* Set up encryption */
656 if (priv->has_wep || priv->has_wpa) {
657 err = __orinoco_hw_setup_enc(priv);
658 if (err) {
659 printk(KERN_ERR "%s: Error %d activating encryption\n",
660 dev->name, err);
661 return err;
662 }
663 }
664
665 if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
666 /* Enable monitor mode */
667 dev->type = ARPHRD_IEEE80211;
668 err = hw->ops->cmd_wait(hw, HERMES_CMD_TEST |
669 HERMES_TEST_MONITOR, 0, NULL);
670 } else {
671 /* Disable monitor mode */
672 dev->type = ARPHRD_ETHER;
673 err = hw->ops->cmd_wait(hw, HERMES_CMD_TEST |
674 HERMES_TEST_STOP, 0, NULL);
675 }
676 if (err)
677 return err;
678
679 /* Reset promiscuity / multicast*/
680 priv->promiscuous = 0;
681 priv->mc_count = 0;
682
683 /* Record mode change */
684 wdev->iftype = priv->iw_mode;
685
686 return 0;
687 }
688
689 /* Get tsc from the firmware */
690 int orinoco_hw_get_tkip_iv(struct orinoco_private *priv, int key, u8 *tsc)
691 {
692 struct hermes *hw = &priv->hw;
693 int err = 0;
694 u8 tsc_arr[4][ORINOCO_SEQ_LEN];
695
696 if ((key < 0) || (key >= 4))
697 return -EINVAL;
698
699 err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENT_TKIP_IV,
700 sizeof(tsc_arr), NULL, &tsc_arr);
701 if (!err)
702 memcpy(tsc, &tsc_arr[key][0], sizeof(tsc_arr[0]));
703
704 return err;
705 }
706
707 int __orinoco_hw_set_bitrate(struct orinoco_private *priv)
708 {
709 struct hermes *hw = &priv->hw;
710 int ratemode = priv->bitratemode;
711 int err = 0;
712
713 if (ratemode >= BITRATE_TABLE_SIZE) {
714 printk(KERN_ERR "%s: BUG: Invalid bitrate mode %d\n",
715 priv->ndev->name, ratemode);
716 return -EINVAL;
717 }
718
719 switch (priv->firmware_type) {
720 case FIRMWARE_TYPE_AGERE:
721 err = hermes_write_wordrec(hw, USER_BAP,
722 HERMES_RID_CNFTXRATECONTROL,
723 bitrate_table[ratemode].agere_txratectrl);
724 break;
725 case FIRMWARE_TYPE_INTERSIL:
726 case FIRMWARE_TYPE_SYMBOL:
727 err = hermes_write_wordrec(hw, USER_BAP,
728 HERMES_RID_CNFTXRATECONTROL,
729 bitrate_table[ratemode].intersil_txratectrl);
730 break;
731 default:
732 BUG();
733 }
734
735 return err;
736 }
737
738 int orinoco_hw_get_act_bitrate(struct orinoco_private *priv, int *bitrate)
739 {
740 struct hermes *hw = &priv->hw;
741 int i;
742 int err = 0;
743 u16 val;
744
745 err = hermes_read_wordrec(hw, USER_BAP,
746 HERMES_RID_CURRENTTXRATE, &val);
747 if (err)
748 return err;
749
750 switch (priv->firmware_type) {
751 case FIRMWARE_TYPE_AGERE: /* Lucent style rate */
752 /* Note : in Lucent firmware, the return value of
753 * HERMES_RID_CURRENTTXRATE is the bitrate in Mb/s,
754 * and therefore is totally different from the
755 * encoding of HERMES_RID_CNFTXRATECONTROL.
756 * Don't forget that 6Mb/s is really 5.5Mb/s */
757 if (val == 6)
758 *bitrate = 5500000;
759 else
760 *bitrate = val * 1000000;
761 break;
762 case FIRMWARE_TYPE_INTERSIL: /* Intersil style rate */
763 case FIRMWARE_TYPE_SYMBOL: /* Symbol style rate */
764 for (i = 0; i < BITRATE_TABLE_SIZE; i++)
765 if (bitrate_table[i].intersil_txratectrl == val) {
766 *bitrate = bitrate_table[i].bitrate * 100000;
767 break;
768 }
769
770 if (i >= BITRATE_TABLE_SIZE) {
771 printk(KERN_INFO "%s: Unable to determine current bitrate (0x%04hx)\n",
772 priv->ndev->name, val);
773 err = -EIO;
774 }
775
776 break;
777 default:
778 BUG();
779 }
780
781 return err;
782 }
783
784 /* Set fixed AP address */
785 int __orinoco_hw_set_wap(struct orinoco_private *priv)
786 {
787 int roaming_flag;
788 int err = 0;
789 struct hermes *hw = &priv->hw;
790
791 switch (priv->firmware_type) {
792 case FIRMWARE_TYPE_AGERE:
793 /* not supported */
794 break;
795 case FIRMWARE_TYPE_INTERSIL:
796 if (priv->bssid_fixed)
797 roaming_flag = 2;
798 else
799 roaming_flag = 1;
800
801 err = hermes_write_wordrec(hw, USER_BAP,
802 HERMES_RID_CNFROAMINGMODE,
803 roaming_flag);
804 break;
805 case FIRMWARE_TYPE_SYMBOL:
806 err = HERMES_WRITE_RECORD(hw, USER_BAP,
807 HERMES_RID_CNFMANDATORYBSSID_SYMBOL,
808 &priv->desired_bssid);
809 break;
810 }
811 return err;
812 }
813
814 /* Change the WEP keys and/or the current keys. Can be called
815 * either from __orinoco_hw_setup_enc() or directly from
816 * orinoco_ioctl_setiwencode(). In the later case the association
817 * with the AP is not broken (if the firmware can handle it),
818 * which is needed for 802.1x implementations. */
819 int __orinoco_hw_setup_wepkeys(struct orinoco_private *priv)
820 {
821 struct hermes *hw = &priv->hw;
822 int err = 0;
823 int i;
824
825 switch (priv->firmware_type) {
826 case FIRMWARE_TYPE_AGERE:
827 {
828 struct orinoco_key keys[ORINOCO_MAX_KEYS];
829
830 memset(&keys, 0, sizeof(keys));
831 for (i = 0; i < ORINOCO_MAX_KEYS; i++) {
832 int len = min(priv->keys[i].key_len,
833 ORINOCO_MAX_KEY_SIZE);
834 memcpy(&keys[i].data, priv->keys[i].key, len);
835 if (len > SMALL_KEY_SIZE)
836 keys[i].len = cpu_to_le16(LARGE_KEY_SIZE);
837 else if (len > 0)
838 keys[i].len = cpu_to_le16(SMALL_KEY_SIZE);
839 else
840 keys[i].len = cpu_to_le16(0);
841 }
842
843 err = HERMES_WRITE_RECORD(hw, USER_BAP,
844 HERMES_RID_CNFWEPKEYS_AGERE,
845 &keys);
846 if (err)
847 return err;
848 err = hermes_write_wordrec(hw, USER_BAP,
849 HERMES_RID_CNFTXKEY_AGERE,
850 priv->tx_key);
851 if (err)
852 return err;
853 break;
854 }
855 case FIRMWARE_TYPE_INTERSIL:
856 case FIRMWARE_TYPE_SYMBOL:
857 {
858 int keylen;
859
860 /* Force uniform key length to work around
861 * firmware bugs */
862 keylen = priv->keys[priv->tx_key].key_len;
863
864 if (keylen > LARGE_KEY_SIZE) {
865 printk(KERN_ERR "%s: BUG: Key %d has oversize length %d.\n",
866 priv->ndev->name, priv->tx_key, keylen);
867 return -E2BIG;
868 } else if (keylen > SMALL_KEY_SIZE)
869 keylen = LARGE_KEY_SIZE;
870 else if (keylen > 0)
871 keylen = SMALL_KEY_SIZE;
872 else
873 keylen = 0;
874
875 /* Write all 4 keys */
876 for (i = 0; i < ORINOCO_MAX_KEYS; i++) {
877 u8 key[LARGE_KEY_SIZE] = { 0 };
878
879 memcpy(key, priv->keys[i].key,
880 priv->keys[i].key_len);
881
882 err = hw->ops->write_ltv(hw, USER_BAP,
883 HERMES_RID_CNFDEFAULTKEY0 + i,
884 HERMES_BYTES_TO_RECLEN(keylen),
885 key);
886 if (err)
887 return err;
888 }
889
890 /* Write the index of the key used in transmission */
891 err = hermes_write_wordrec(hw, USER_BAP,
892 HERMES_RID_CNFWEPDEFAULTKEYID,
893 priv->tx_key);
894 if (err)
895 return err;
896 }
897 break;
898 }
899
900 return 0;
901 }
902
903 int __orinoco_hw_setup_enc(struct orinoco_private *priv)
904 {
905 struct hermes *hw = &priv->hw;
906 int err = 0;
907 int master_wep_flag;
908 int auth_flag;
909 int enc_flag;
910
911 /* Setup WEP keys */
912 if (priv->encode_alg == ORINOCO_ALG_WEP)
913 __orinoco_hw_setup_wepkeys(priv);
914
915 if (priv->wep_restrict)
916 auth_flag = HERMES_AUTH_SHARED_KEY;
917 else
918 auth_flag = HERMES_AUTH_OPEN;
919
920 if (priv->wpa_enabled)
921 enc_flag = 2;
922 else if (priv->encode_alg == ORINOCO_ALG_WEP)
923 enc_flag = 1;
924 else
925 enc_flag = 0;
926
927 switch (priv->firmware_type) {
928 case FIRMWARE_TYPE_AGERE: /* Agere style WEP */
929 if (priv->encode_alg == ORINOCO_ALG_WEP) {
930 /* Enable the shared-key authentication. */
931 err = hermes_write_wordrec(hw, USER_BAP,
932 HERMES_RID_CNFAUTHENTICATION_AGERE,
933 auth_flag);
934 }
935 err = hermes_write_wordrec(hw, USER_BAP,
936 HERMES_RID_CNFWEPENABLED_AGERE,
937 enc_flag);
938 if (err)
939 return err;
940
941 if (priv->has_wpa) {
942 /* Set WPA key management */
943 err = hermes_write_wordrec(hw, USER_BAP,
944 HERMES_RID_CNFSETWPAAUTHMGMTSUITE_AGERE,
945 priv->key_mgmt);
946 if (err)
947 return err;
948 }
949
950 break;
951
952 case FIRMWARE_TYPE_INTERSIL: /* Intersil style WEP */
953 case FIRMWARE_TYPE_SYMBOL: /* Symbol style WEP */
954 if (priv->encode_alg == ORINOCO_ALG_WEP) {
955 if (priv->wep_restrict ||
956 (priv->firmware_type == FIRMWARE_TYPE_SYMBOL))
957 master_wep_flag = HERMES_WEP_PRIVACY_INVOKED |
958 HERMES_WEP_EXCL_UNENCRYPTED;
959 else
960 master_wep_flag = HERMES_WEP_PRIVACY_INVOKED;
961
962 err = hermes_write_wordrec(hw, USER_BAP,
963 HERMES_RID_CNFAUTHENTICATION,
964 auth_flag);
965 if (err)
966 return err;
967 } else
968 master_wep_flag = 0;
969
970 if (priv->iw_mode == NL80211_IFTYPE_MONITOR)
971 master_wep_flag |= HERMES_WEP_HOST_DECRYPT;
972
973 /* Master WEP setting : on/off */
974 err = hermes_write_wordrec(hw, USER_BAP,
975 HERMES_RID_CNFWEPFLAGS_INTERSIL,
976 master_wep_flag);
977 if (err)
978 return err;
979
980 break;
981 }
982
983 return 0;
984 }
985
986 /* key must be 32 bytes, including the tx and rx MIC keys.
987 * rsc must be NULL or up to 8 bytes
988 * tsc must be NULL or up to 8 bytes
989 */
990 int __orinoco_hw_set_tkip_key(struct orinoco_private *priv, int key_idx,
991 int set_tx, u8 *key, u8 *rsc, size_t rsc_len,
992 u8 *tsc, size_t tsc_len)
993 {
994 struct {
995 __le16 idx;
996 u8 rsc[ORINOCO_SEQ_LEN];
997 u8 key[TKIP_KEYLEN];
998 u8 tx_mic[MIC_KEYLEN];
999 u8 rx_mic[MIC_KEYLEN];
1000 u8 tsc[ORINOCO_SEQ_LEN];
1001 } __packed buf;
1002 struct hermes *hw = &priv->hw;
1003 int ret;
1004 int err;
1005 int k;
1006 u16 xmitting;
1007
1008 key_idx &= 0x3;
1009
1010 if (set_tx)
1011 key_idx |= 0x8000;
1012
1013 buf.idx = cpu_to_le16(key_idx);
1014 memcpy(buf.key, key,
1015 sizeof(buf.key) + sizeof(buf.tx_mic) + sizeof(buf.rx_mic));
1016
1017 if (rsc_len > sizeof(buf.rsc))
1018 rsc_len = sizeof(buf.rsc);
1019
1020 if (tsc_len > sizeof(buf.tsc))
1021 tsc_len = sizeof(buf.tsc);
1022
1023 memset(buf.rsc, 0, sizeof(buf.rsc));
1024 memset(buf.tsc, 0, sizeof(buf.tsc));
1025
1026 if (rsc != NULL)
1027 memcpy(buf.rsc, rsc, rsc_len);
1028
1029 if (tsc != NULL)
1030 memcpy(buf.tsc, tsc, tsc_len);
1031 else
1032 buf.tsc[4] = 0x10;
1033
1034 /* Wait up to 100ms for tx queue to empty */
1035 for (k = 100; k > 0; k--) {
1036 udelay(1000);
1037 ret = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_TXQUEUEEMPTY,
1038 &xmitting);
1039 if (ret || !xmitting)
1040 break;
1041 }
1042
1043 if (k == 0)
1044 ret = -ETIMEDOUT;
1045
1046 err = HERMES_WRITE_RECORD(hw, USER_BAP,
1047 HERMES_RID_CNFADDDEFAULTTKIPKEY_AGERE,
1048 &buf);
1049
1050 return ret ? ret : err;
1051 }
1052
1053 int orinoco_clear_tkip_key(struct orinoco_private *priv, int key_idx)
1054 {
1055 struct hermes *hw = &priv->hw;
1056 int err;
1057
1058 err = hermes_write_wordrec(hw, USER_BAP,
1059 HERMES_RID_CNFREMDEFAULTTKIPKEY_AGERE,
1060 key_idx);
1061 if (err)
1062 printk(KERN_WARNING "%s: Error %d clearing TKIP key %d\n",
1063 priv->ndev->name, err, key_idx);
1064 return err;
1065 }
1066
1067 int __orinoco_hw_set_multicast_list(struct orinoco_private *priv,
1068 struct net_device *dev,
1069 int mc_count, int promisc)
1070 {
1071 struct hermes *hw = &priv->hw;
1072 int err = 0;
1073
1074 if (promisc != priv->promiscuous) {
1075 err = hermes_write_wordrec(hw, USER_BAP,
1076 HERMES_RID_CNFPROMISCUOUSMODE,
1077 promisc);
1078 if (err) {
1079 printk(KERN_ERR "%s: Error %d setting PROMISCUOUSMODE to 1.\n",
1080 priv->ndev->name, err);
1081 } else
1082 priv->promiscuous = promisc;
1083 }
1084
1085 /* If we're not in promiscuous mode, then we need to set the
1086 * group address if either we want to multicast, or if we were
1087 * multicasting and want to stop */
1088 if (!promisc && (mc_count || priv->mc_count)) {
1089 struct netdev_hw_addr *ha;
1090 struct hermes_multicast mclist;
1091 int i = 0;
1092
1093 netdev_for_each_mc_addr(ha, dev) {
1094 if (i == mc_count)
1095 break;
1096 memcpy(mclist.addr[i++], ha->addr, ETH_ALEN);
1097 }
1098
1099 err = hw->ops->write_ltv(hw, USER_BAP,
1100 HERMES_RID_CNFGROUPADDRESSES,
1101 HERMES_BYTES_TO_RECLEN(mc_count * ETH_ALEN),
1102 &mclist);
1103 if (err)
1104 printk(KERN_ERR "%s: Error %d setting multicast list.\n",
1105 priv->ndev->name, err);
1106 else
1107 priv->mc_count = mc_count;
1108 }
1109 return err;
1110 }
1111
1112 /* Return : < 0 -> error code ; >= 0 -> length */
1113 int orinoco_hw_get_essid(struct orinoco_private *priv, int *active,
1114 char buf[IW_ESSID_MAX_SIZE + 1])
1115 {
1116 struct hermes *hw = &priv->hw;
1117 int err = 0;
1118 struct hermes_idstring essidbuf;
1119 char *p = (char *)(&essidbuf.val);
1120 int len;
1121 unsigned long flags;
1122
1123 if (orinoco_lock(priv, &flags) != 0)
1124 return -EBUSY;
1125
1126 if (strlen(priv->desired_essid) > 0) {
1127 /* We read the desired SSID from the hardware rather
1128 than from priv->desired_essid, just in case the
1129 firmware is allowed to change it on us. I'm not
1130 sure about this */
1131 /* My guess is that the OWNSSID should always be whatever
1132 * we set to the card, whereas CURRENT_SSID is the one that
1133 * may change... - Jean II */
1134 u16 rid;
1135
1136 *active = 1;
1137
1138 rid = (priv->port_type == 3) ? HERMES_RID_CNFOWNSSID :
1139 HERMES_RID_CNFDESIREDSSID;
1140
1141 err = hw->ops->read_ltv(hw, USER_BAP, rid, sizeof(essidbuf),
1142 NULL, &essidbuf);
1143 if (err)
1144 goto fail_unlock;
1145 } else {
1146 *active = 0;
1147
1148 err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENTSSID,
1149 sizeof(essidbuf), NULL, &essidbuf);
1150 if (err)
1151 goto fail_unlock;
1152 }
1153
1154 len = le16_to_cpu(essidbuf.len);
1155 BUG_ON(len > IW_ESSID_MAX_SIZE);
1156
1157 memset(buf, 0, IW_ESSID_MAX_SIZE);
1158 memcpy(buf, p, len);
1159 err = len;
1160
1161 fail_unlock:
1162 orinoco_unlock(priv, &flags);
1163
1164 return err;
1165 }
1166
1167 int orinoco_hw_get_freq(struct orinoco_private *priv)
1168 {
1169 struct hermes *hw = &priv->hw;
1170 int err = 0;
1171 u16 channel;
1172 int freq = 0;
1173 unsigned long flags;
1174
1175 if (orinoco_lock(priv, &flags) != 0)
1176 return -EBUSY;
1177
1178 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CURRENTCHANNEL,
1179 &channel);
1180 if (err)
1181 goto out;
1182
1183 /* Intersil firmware 1.3.5 returns 0 when the interface is down */
1184 if (channel == 0) {
1185 err = -EBUSY;
1186 goto out;
1187 }
1188
1189 if ((channel < 1) || (channel > NUM_CHANNELS)) {
1190 printk(KERN_WARNING "%s: Channel out of range (%d)!\n",
1191 priv->ndev->name, channel);
1192 err = -EBUSY;
1193 goto out;
1194
1195 }
1196 freq = ieee80211_dsss_chan_to_freq(channel);
1197
1198 out:
1199 orinoco_unlock(priv, &flags);
1200
1201 if (err > 0)
1202 err = -EBUSY;
1203 return err ? err : freq;
1204 }
1205
1206 int orinoco_hw_get_bitratelist(struct orinoco_private *priv,
1207 int *numrates, s32 *rates, int max)
1208 {
1209 struct hermes *hw = &priv->hw;
1210 struct hermes_idstring list;
1211 unsigned char *p = (unsigned char *)&list.val;
1212 int err = 0;
1213 int num;
1214 int i;
1215 unsigned long flags;
1216
1217 if (orinoco_lock(priv, &flags) != 0)
1218 return -EBUSY;
1219
1220 err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_SUPPORTEDDATARATES,
1221 sizeof(list), NULL, &list);
1222 orinoco_unlock(priv, &flags);
1223
1224 if (err)
1225 return err;
1226
1227 num = le16_to_cpu(list.len);
1228 *numrates = num;
1229 num = min(num, max);
1230
1231 for (i = 0; i < num; i++)
1232 rates[i] = (p[i] & 0x7f) * 500000; /* convert to bps */
1233
1234 return 0;
1235 }
1236
1237 int orinoco_hw_trigger_scan(struct orinoco_private *priv,
1238 const struct cfg80211_ssid *ssid)
1239 {
1240 struct net_device *dev = priv->ndev;
1241 struct hermes *hw = &priv->hw;
1242 unsigned long flags;
1243 int err = 0;
1244
1245 if (orinoco_lock(priv, &flags) != 0)
1246 return -EBUSY;
1247
1248 /* Scanning with port 0 disabled would fail */
1249 if (!netif_running(dev)) {
1250 err = -ENETDOWN;
1251 goto out;
1252 }
1253
1254 /* In monitor mode, the scan results are always empty.
1255 * Probe responses are passed to the driver as received
1256 * frames and could be processed in software. */
1257 if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
1258 err = -EOPNOTSUPP;
1259 goto out;
1260 }
1261
1262 if (priv->has_hostscan) {
1263 switch (priv->firmware_type) {
1264 case FIRMWARE_TYPE_SYMBOL:
1265 err = hermes_write_wordrec(hw, USER_BAP,
1266 HERMES_RID_CNFHOSTSCAN_SYMBOL,
1267 HERMES_HOSTSCAN_SYMBOL_ONCE |
1268 HERMES_HOSTSCAN_SYMBOL_BCAST);
1269 break;
1270 case FIRMWARE_TYPE_INTERSIL: {
1271 __le16 req[3];
1272
1273 req[0] = cpu_to_le16(0x3fff); /* All channels */
1274 req[1] = cpu_to_le16(0x0001); /* rate 1 Mbps */
1275 req[2] = 0; /* Any ESSID */
1276 err = HERMES_WRITE_RECORD(hw, USER_BAP,
1277 HERMES_RID_CNFHOSTSCAN, &req);
1278 break;
1279 }
1280 case FIRMWARE_TYPE_AGERE:
1281 if (ssid->ssid_len > 0) {
1282 struct hermes_idstring idbuf;
1283 size_t len = ssid->ssid_len;
1284
1285 idbuf.len = cpu_to_le16(len);
1286 memcpy(idbuf.val, ssid->ssid, len);
1287
1288 err = hw->ops->write_ltv(hw, USER_BAP,
1289 HERMES_RID_CNFSCANSSID_AGERE,
1290 HERMES_BYTES_TO_RECLEN(len + 2),
1291 &idbuf);
1292 } else
1293 err = hermes_write_wordrec(hw, USER_BAP,
1294 HERMES_RID_CNFSCANSSID_AGERE,
1295 0); /* Any ESSID */
1296 if (err)
1297 break;
1298
1299 if (priv->has_ext_scan) {
1300 err = hermes_write_wordrec(hw, USER_BAP,
1301 HERMES_RID_CNFSCANCHANNELS2GHZ,
1302 0x7FFF);
1303 if (err)
1304 goto out;
1305
1306 err = hermes_inquire(hw,
1307 HERMES_INQ_CHANNELINFO);
1308 } else
1309 err = hermes_inquire(hw, HERMES_INQ_SCAN);
1310
1311 break;
1312 }
1313 } else
1314 err = hermes_inquire(hw, HERMES_INQ_SCAN);
1315
1316 out:
1317 orinoco_unlock(priv, &flags);
1318
1319 return err;
1320 }
1321
1322 /* Disassociate from node with BSSID addr */
1323 int orinoco_hw_disassociate(struct orinoco_private *priv,
1324 u8 *addr, u16 reason_code)
1325 {
1326 struct hermes *hw = &priv->hw;
1327 int err;
1328
1329 struct {
1330 u8 addr[ETH_ALEN];
1331 __le16 reason_code;
1332 } __packed buf;
1333
1334 /* Currently only supported by WPA enabled Agere fw */
1335 if (!priv->has_wpa)
1336 return -EOPNOTSUPP;
1337
1338 memcpy(buf.addr, addr, ETH_ALEN);
1339 buf.reason_code = cpu_to_le16(reason_code);
1340 err = HERMES_WRITE_RECORD(hw, USER_BAP,
1341 HERMES_RID_CNFDISASSOCIATE,
1342 &buf);
1343 return err;
1344 }
1345
1346 int orinoco_hw_get_current_bssid(struct orinoco_private *priv,
1347 u8 *addr)
1348 {
1349 struct hermes *hw = &priv->hw;
1350 int err;
1351
1352 err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENTBSSID,
1353 ETH_ALEN, NULL, addr);
1354
1355 return err;
1356 }