1 // SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1)
2 /*
3 *
4 * Implements the station functionality for prism2
5 *
6 * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
7 * --------------------------------------------------------------------
8 *
9 * linux-wlan
10 *
11 * --------------------------------------------------------------------
12 *
13 * Inquiries regarding the linux-wlan Open Source project can be
14 * made directly to:
15 *
16 * AbsoluteValue Systems Inc.
17 * info@linux-wlan.com
18 * http://www.linux-wlan.com
19 *
20 * --------------------------------------------------------------------
21 *
22 * Portions of the development of this software were funded by
23 * Intersil Corporation as part of PRISM(R) chipset product development.
24 *
25 * --------------------------------------------------------------------
26 *
27 * This file implements the module and linux pcmcia routines for the
28 * prism2 driver.
29 *
30 * --------------------------------------------------------------------
31 */
32
33 #include <linux/module.h>
34 #include <linux/kernel.h>
35 #include <linux/sched.h>
36 #include <linux/types.h>
37 #include <linux/slab.h>
38 #include <linux/wireless.h>
39 #include <linux/netdevice.h>
40 #include <linux/workqueue.h>
41 #include <linux/byteorder/generic.h>
42 #include <linux/etherdevice.h>
43
44 #include <linux/io.h>
45 #include <linux/delay.h>
46 #include <asm/byteorder.h>
47 #include <linux/if_arp.h>
48 #include <linux/if_ether.h>
49 #include <linux/bitops.h>
50
51 #include "p80211types.h"
52 #include "p80211hdr.h"
53 #include "p80211mgmt.h"
54 #include "p80211conv.h"
55 #include "p80211msg.h"
56 #include "p80211netdev.h"
57 #include "p80211req.h"
58 #include "p80211metadef.h"
59 #include "p80211metastruct.h"
60 #include "hfa384x.h"
61 #include "prism2mgmt.h"
62
63 static char *dev_info = "prism2_usb";
64 static struct wlandevice *create_wlan(void);
65
66 int prism2_reset_holdtime = 30; /* Reset hold time in ms */
67 int prism2_reset_settletime = 100; /* Reset settle time in ms */
68
69 static int prism2_doreset; /* Do a reset at init? */
70
71 module_param(prism2_doreset, int, 0644);
72 MODULE_PARM_DESC(prism2_doreset, "Issue a reset on initialization");
73
74 module_param(prism2_reset_holdtime, int, 0644);
75 MODULE_PARM_DESC(prism2_reset_holdtime, "reset hold time in ms");
76 module_param(prism2_reset_settletime, int, 0644);
77 MODULE_PARM_DESC(prism2_reset_settletime, "reset settle time in ms");
78
79 MODULE_LICENSE("Dual MPL/GPL");
80
81 static int prism2sta_open(struct wlandevice *wlandev);
82 static int prism2sta_close(struct wlandevice *wlandev);
83 static void prism2sta_reset(struct wlandevice *wlandev);
84 static int prism2sta_txframe(struct wlandevice *wlandev, struct sk_buff *skb,
85 struct p80211_hdr *p80211_hdr,
86 struct p80211_metawep *p80211_wep);
87 static int prism2sta_mlmerequest(struct wlandevice *wlandev,
88 struct p80211msg *msg);
89 static int prism2sta_getcardinfo(struct wlandevice *wlandev);
90 static int prism2sta_globalsetup(struct wlandevice *wlandev);
91 static int prism2sta_setmulticast(struct wlandevice *wlandev,
92 struct net_device *dev);
93 static void prism2sta_inf_tallies(struct wlandevice *wlandev,
94 struct hfa384x_inf_frame *inf);
95 static void prism2sta_inf_hostscanresults(struct wlandevice *wlandev,
96 struct hfa384x_inf_frame *inf);
97 static void prism2sta_inf_scanresults(struct wlandevice *wlandev,
98 struct hfa384x_inf_frame *inf);
99 static void prism2sta_inf_chinforesults(struct wlandevice *wlandev,
100 struct hfa384x_inf_frame *inf);
101 static void prism2sta_inf_linkstatus(struct wlandevice *wlandev,
102 struct hfa384x_inf_frame *inf);
103 static void prism2sta_inf_assocstatus(struct wlandevice *wlandev,
104 struct hfa384x_inf_frame *inf);
105 static void prism2sta_inf_authreq(struct wlandevice *wlandev,
106 struct hfa384x_inf_frame *inf);
107 static void prism2sta_inf_authreq_defer(struct wlandevice *wlandev,
108 struct hfa384x_inf_frame *inf);
109 static void prism2sta_inf_psusercnt(struct wlandevice *wlandev,
110 struct hfa384x_inf_frame *inf);
111
112 /*
113 * prism2sta_open
114 *
115 * WLAN device open method. Called from p80211netdev when kernel
116 * device open (start) method is called in response to the
117 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
118 * from clear to set.
119 *
120 * Arguments:
121 * wlandev wlan device structure
122 *
123 * Returns:
124 * 0 success
125 * >0 f/w reported error
126 * <0 driver reported error
127 *
128 * Side effects:
129 *
130 * Call context:
131 * process thread
132 */
prism2sta_open(struct wlandevice * wlandev)133 static int prism2sta_open(struct wlandevice *wlandev)
134 {
135 /* We don't currently have to do anything else.
136 * The setup of the MAC should be subsequently completed via
137 * the mlme commands.
138 * Higher layers know we're ready from dev->start==1 and
139 * dev->tbusy==0. Our rx path knows to pass up received/
140 * frames because of dev->flags&IFF_UP is true.
141 */
142
143 return 0;
144 }
145
146 /*
147 * prism2sta_close
148 *
149 * WLAN device close method. Called from p80211netdev when kernel
150 * device close method is called in response to the
151 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
152 * from set to clear.
153 *
154 * Arguments:
155 * wlandev wlan device structure
156 *
157 * Returns:
158 * 0 success
159 * >0 f/w reported error
160 * <0 driver reported error
161 *
162 * Side effects:
163 *
164 * Call context:
165 * process thread
166 */
prism2sta_close(struct wlandevice * wlandev)167 static int prism2sta_close(struct wlandevice *wlandev)
168 {
169 /* We don't currently have to do anything else.
170 * Higher layers know we're not ready from dev->start==0 and
171 * dev->tbusy==1. Our rx path knows to not pass up received
172 * frames because of dev->flags&IFF_UP is false.
173 */
174
175 return 0;
176 }
177
178 /*
179 * prism2sta_reset
180 *
181 * Currently not implemented.
182 *
183 * Arguments:
184 * wlandev wlan device structure
185 * none
186 *
187 * Returns:
188 * nothing
189 *
190 * Side effects:
191 *
192 * Call context:
193 * process thread
194 */
prism2sta_reset(struct wlandevice * wlandev)195 static void prism2sta_reset(struct wlandevice *wlandev)
196 {
197 }
198
199 /*
200 * prism2sta_txframe
201 *
202 * Takes a frame from p80211 and queues it for transmission.
203 *
204 * Arguments:
205 * wlandev wlan device structure
206 * pb packet buffer struct. Contains an 802.11
207 * data frame.
208 * p80211_hdr points to the 802.11 header for the packet.
209 * Returns:
210 * 0 Success and more buffs available
211 * 1 Success but no more buffs
212 * 2 Allocation failure
213 * 4 Buffer full or queue busy
214 *
215 * Side effects:
216 *
217 * Call context:
218 * process thread
219 */
prism2sta_txframe(struct wlandevice * wlandev,struct sk_buff * skb,struct p80211_hdr * p80211_hdr,struct p80211_metawep * p80211_wep)220 static int prism2sta_txframe(struct wlandevice *wlandev, struct sk_buff *skb,
221 struct p80211_hdr *p80211_hdr,
222 struct p80211_metawep *p80211_wep)
223 {
224 struct hfa384x *hw = wlandev->priv;
225
226 /* If necessary, set the 802.11 WEP bit */
227 if ((wlandev->hostwep & (HOSTWEP_PRIVACYINVOKED | HOSTWEP_ENCRYPT)) ==
228 HOSTWEP_PRIVACYINVOKED) {
229 p80211_hdr->frame_control |= cpu_to_le16(WLAN_SET_FC_ISWEP(1));
230 }
231
232 return hfa384x_drvr_txframe(hw, skb, p80211_hdr, p80211_wep);
233 }
234
235 /*
236 * prism2sta_mlmerequest
237 *
238 * wlan command message handler. All we do here is pass the message
239 * over to the prism2sta_mgmt_handler.
240 *
241 * Arguments:
242 * wlandev wlan device structure
243 * msg wlan command message
244 * Returns:
245 * 0 success
246 * <0 successful acceptance of message, but we're
247 * waiting for an async process to finish before
248 * we're done with the msg. When the asynch
249 * process is done, we'll call the p80211
250 * function p80211req_confirm() .
251 * >0 An error occurred while we were handling
252 * the message.
253 *
254 * Side effects:
255 *
256 * Call context:
257 * process thread
258 */
prism2sta_mlmerequest(struct wlandevice * wlandev,struct p80211msg * msg)259 static int prism2sta_mlmerequest(struct wlandevice *wlandev,
260 struct p80211msg *msg)
261 {
262 struct hfa384x *hw = wlandev->priv;
263
264 int result = 0;
265
266 switch (msg->msgcode) {
267 case DIDMSG_DOT11REQ_MIBGET:
268 netdev_dbg(wlandev->netdev, "Received mibget request\n");
269 result = prism2mgmt_mibset_mibget(wlandev, msg);
270 break;
271 case DIDMSG_DOT11REQ_MIBSET:
272 netdev_dbg(wlandev->netdev, "Received mibset request\n");
273 result = prism2mgmt_mibset_mibget(wlandev, msg);
274 break;
275 case DIDMSG_DOT11REQ_SCAN:
276 netdev_dbg(wlandev->netdev, "Received scan request\n");
277 result = prism2mgmt_scan(wlandev, msg);
278 break;
279 case DIDMSG_DOT11REQ_SCAN_RESULTS:
280 netdev_dbg(wlandev->netdev, "Received scan_results request\n");
281 result = prism2mgmt_scan_results(wlandev, msg);
282 break;
283 case DIDMSG_DOT11REQ_START:
284 netdev_dbg(wlandev->netdev, "Received mlme start request\n");
285 result = prism2mgmt_start(wlandev, msg);
286 break;
287 /*
288 * Prism2 specific messages
289 */
290 case DIDMSG_P2REQ_READPDA:
291 netdev_dbg(wlandev->netdev, "Received mlme readpda request\n");
292 result = prism2mgmt_readpda(wlandev, msg);
293 break;
294 case DIDMSG_P2REQ_RAMDL_STATE:
295 netdev_dbg(wlandev->netdev,
296 "Received mlme ramdl_state request\n");
297 result = prism2mgmt_ramdl_state(wlandev, msg);
298 break;
299 case DIDMSG_P2REQ_RAMDL_WRITE:
300 netdev_dbg(wlandev->netdev,
301 "Received mlme ramdl_write request\n");
302 result = prism2mgmt_ramdl_write(wlandev, msg);
303 break;
304 case DIDMSG_P2REQ_FLASHDL_STATE:
305 netdev_dbg(wlandev->netdev,
306 "Received mlme flashdl_state request\n");
307 result = prism2mgmt_flashdl_state(wlandev, msg);
308 break;
309 case DIDMSG_P2REQ_FLASHDL_WRITE:
310 netdev_dbg(wlandev->netdev,
311 "Received mlme flashdl_write request\n");
312 result = prism2mgmt_flashdl_write(wlandev, msg);
313 break;
314 /*
315 * Linux specific messages
316 */
317 case DIDMSG_LNXREQ_HOSTWEP:
318 break; /* ignore me. */
319 case DIDMSG_LNXREQ_IFSTATE: {
320 struct p80211msg_lnxreq_ifstate *ifstatemsg;
321
322 netdev_dbg(wlandev->netdev, "Received mlme ifstate request\n");
323 ifstatemsg = (struct p80211msg_lnxreq_ifstate *)msg;
324 result = prism2sta_ifstate(wlandev,
325 ifstatemsg->ifstate.data);
326 ifstatemsg->resultcode.status =
327 P80211ENUM_msgitem_status_data_ok;
328 ifstatemsg->resultcode.data = result;
329 result = 0;
330 break;
331 }
332 case DIDMSG_LNXREQ_WLANSNIFF:
333 netdev_dbg(wlandev->netdev,
334 "Received mlme wlansniff request\n");
335 result = prism2mgmt_wlansniff(wlandev, msg);
336 break;
337 case DIDMSG_LNXREQ_AUTOJOIN:
338 netdev_dbg(wlandev->netdev, "Received mlme autojoin request\n");
339 result = prism2mgmt_autojoin(wlandev, msg);
340 break;
341 case DIDMSG_LNXREQ_COMMSQUALITY: {
342 struct p80211msg_lnxreq_commsquality *qualmsg;
343
344 netdev_dbg(wlandev->netdev, "Received commsquality request\n");
345
346 qualmsg = (struct p80211msg_lnxreq_commsquality *)msg;
347
348 qualmsg->link.status = P80211ENUM_msgitem_status_data_ok;
349 qualmsg->level.status = P80211ENUM_msgitem_status_data_ok;
350 qualmsg->noise.status = P80211ENUM_msgitem_status_data_ok;
351
352 qualmsg->link.data = le16_to_cpu(hw->qual.cq_curr_bss);
353 qualmsg->level.data = le16_to_cpu(hw->qual.asl_curr_bss);
354 qualmsg->noise.data = le16_to_cpu(hw->qual.anl_curr_fc);
355 qualmsg->txrate.data = hw->txrate;
356
357 break;
358 }
359 default:
360 netdev_warn(wlandev->netdev,
361 "Unknown mgmt request message 0x%08x",
362 msg->msgcode);
363 break;
364 }
365
366 return result;
367 }
368
369 /*
370 * prism2sta_ifstate
371 *
372 * Interface state. This is the primary WLAN interface enable/disable
373 * handler. Following the driver/load/deviceprobe sequence, this
374 * function must be called with a state of "enable" before any other
375 * commands will be accepted.
376 *
377 * Arguments:
378 * wlandev wlan device structure
379 * msgp ptr to msg buffer
380 *
381 * Returns:
382 * A p80211 message resultcode value.
383 *
384 * Side effects:
385 *
386 * Call context:
387 * process thread (usually)
388 * interrupt
389 */
prism2sta_ifstate(struct wlandevice * wlandev,u32 ifstate)390 u32 prism2sta_ifstate(struct wlandevice *wlandev, u32 ifstate)
391 {
392 struct hfa384x *hw = wlandev->priv;
393 u32 result;
394
395 result = P80211ENUM_resultcode_implementation_failure;
396
397 netdev_dbg(wlandev->netdev, "Current MSD state(%d), requesting(%d)\n",
398 wlandev->msdstate, ifstate);
399 switch (ifstate) {
400 case P80211ENUM_ifstate_fwload:
401 switch (wlandev->msdstate) {
402 case WLAN_MSD_HWPRESENT:
403 wlandev->msdstate = WLAN_MSD_FWLOAD_PENDING;
404 /*
405 * Initialize the device+driver sufficiently
406 * for firmware loading.
407 */
408 result = hfa384x_drvr_start(hw);
409 if (result) {
410 netdev_err(wlandev->netdev,
411 "hfa384x_drvr_start() failed,result=%d\n",
412 (int)result);
413 result =
414 P80211ENUM_resultcode_implementation_failure;
415 wlandev->msdstate = WLAN_MSD_HWPRESENT;
416 break;
417 }
418 wlandev->msdstate = WLAN_MSD_FWLOAD;
419 result = P80211ENUM_resultcode_success;
420 break;
421 case WLAN_MSD_FWLOAD:
422 hfa384x_cmd_initialize(hw);
423 result = P80211ENUM_resultcode_success;
424 break;
425 case WLAN_MSD_RUNNING:
426 netdev_warn(wlandev->netdev,
427 "Cannot enter fwload state from enable state, you must disable first.\n");
428 result = P80211ENUM_resultcode_invalid_parameters;
429 break;
430 case WLAN_MSD_HWFAIL:
431 default:
432 /* probe() had a problem or the msdstate contains
433 * an unrecognized value, there's nothing we can do.
434 */
435 result = P80211ENUM_resultcode_implementation_failure;
436 break;
437 }
438 break;
439 case P80211ENUM_ifstate_enable:
440 switch (wlandev->msdstate) {
441 case WLAN_MSD_HWPRESENT:
442 case WLAN_MSD_FWLOAD:
443 wlandev->msdstate = WLAN_MSD_RUNNING_PENDING;
444 /* Initialize the device+driver for full
445 * operation. Note that this might me an FWLOAD
446 * to RUNNING transition so we must not do a chip
447 * or board level reset. Note that on failure,
448 * the MSD state is set to HWPRESENT because we
449 * can't make any assumptions about the state
450 * of the hardware or a previous firmware load.
451 */
452 result = hfa384x_drvr_start(hw);
453 if (result) {
454 netdev_err(wlandev->netdev,
455 "hfa384x_drvr_start() failed,result=%d\n",
456 (int)result);
457 result =
458 P80211ENUM_resultcode_implementation_failure;
459 wlandev->msdstate = WLAN_MSD_HWPRESENT;
460 break;
461 }
462
463 result = prism2sta_getcardinfo(wlandev);
464 if (result) {
465 netdev_err(wlandev->netdev,
466 "prism2sta_getcardinfo() failed,result=%d\n",
467 (int)result);
468 result =
469 P80211ENUM_resultcode_implementation_failure;
470 hfa384x_drvr_stop(hw);
471 wlandev->msdstate = WLAN_MSD_HWPRESENT;
472 break;
473 }
474 result = prism2sta_globalsetup(wlandev);
475 if (result) {
476 netdev_err(wlandev->netdev,
477 "prism2sta_globalsetup() failed,result=%d\n",
478 (int)result);
479 result =
480 P80211ENUM_resultcode_implementation_failure;
481 hfa384x_drvr_stop(hw);
482 wlandev->msdstate = WLAN_MSD_HWPRESENT;
483 break;
484 }
485 wlandev->msdstate = WLAN_MSD_RUNNING;
486 hw->join_ap = 0;
487 hw->join_retries = 60;
488 result = P80211ENUM_resultcode_success;
489 break;
490 case WLAN_MSD_RUNNING:
491 /* Do nothing, we're already in this state. */
492 result = P80211ENUM_resultcode_success;
493 break;
494 case WLAN_MSD_HWFAIL:
495 default:
496 /* probe() had a problem or the msdstate contains
497 * an unrecognized value, there's nothing we can do.
498 */
499 result = P80211ENUM_resultcode_implementation_failure;
500 break;
501 }
502 break;
503 case P80211ENUM_ifstate_disable:
504 switch (wlandev->msdstate) {
505 case WLAN_MSD_HWPRESENT:
506 /* Do nothing, we're already in this state. */
507 result = P80211ENUM_resultcode_success;
508 break;
509 case WLAN_MSD_FWLOAD:
510 case WLAN_MSD_RUNNING:
511 wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
512 /*
513 * TODO: Shut down the MAC completely. Here a chip
514 * or board level reset is probably called for.
515 * After a "disable" _all_ results are lost, even
516 * those from a fwload.
517 */
518 if (!wlandev->hwremoved)
519 netif_carrier_off(wlandev->netdev);
520
521 hfa384x_drvr_stop(hw);
522
523 wlandev->macmode = WLAN_MACMODE_NONE;
524 wlandev->msdstate = WLAN_MSD_HWPRESENT;
525 result = P80211ENUM_resultcode_success;
526 break;
527 case WLAN_MSD_HWFAIL:
528 default:
529 /* probe() had a problem or the msdstate contains
530 * an unrecognized value, there's nothing we can do.
531 */
532 result = P80211ENUM_resultcode_implementation_failure;
533 break;
534 }
535 break;
536 default:
537 result = P80211ENUM_resultcode_invalid_parameters;
538 break;
539 }
540
541 return result;
542 }
543
544 /*
545 * prism2sta_getcardinfo
546 *
547 * Collect the NICID, firmware version and any other identifiers
548 * we'd like to have in host-side data structures.
549 *
550 * Arguments:
551 * wlandev wlan device structure
552 *
553 * Returns:
554 * 0 success
555 * >0 f/w reported error
556 * <0 driver reported error
557 *
558 * Side effects:
559 *
560 * Call context:
561 * Either.
562 */
prism2sta_getcardinfo(struct wlandevice * wlandev)563 static int prism2sta_getcardinfo(struct wlandevice *wlandev)
564 {
565 int result = 0;
566 struct hfa384x *hw = wlandev->priv;
567 u16 temp;
568 u8 snum[HFA384x_RID_NICSERIALNUMBER_LEN];
569 u8 addr[ETH_ALEN];
570
571 /* Collect version and compatibility info */
572 /* Some are critical, some are not */
573 /* NIC identity */
574 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICIDENTITY,
575 &hw->ident_nic,
576 sizeof(struct hfa384x_compident));
577 if (result) {
578 netdev_err(wlandev->netdev, "Failed to retrieve NICIDENTITY\n");
579 goto failed;
580 }
581
582 /* get all the nic id fields in host byte order */
583 le16_to_cpus(&hw->ident_nic.id);
584 le16_to_cpus(&hw->ident_nic.variant);
585 le16_to_cpus(&hw->ident_nic.major);
586 le16_to_cpus(&hw->ident_nic.minor);
587
588 netdev_info(wlandev->netdev, "ident: nic h/w: id=0x%02x %d.%d.%d\n",
589 hw->ident_nic.id, hw->ident_nic.major,
590 hw->ident_nic.minor, hw->ident_nic.variant);
591
592 /* Primary f/w identity */
593 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRIIDENTITY,
594 &hw->ident_pri_fw,
595 sizeof(struct hfa384x_compident));
596 if (result) {
597 netdev_err(wlandev->netdev, "Failed to retrieve PRIIDENTITY\n");
598 goto failed;
599 }
600
601 /* get all the private fw id fields in host byte order */
602 le16_to_cpus(&hw->ident_pri_fw.id);
603 le16_to_cpus(&hw->ident_pri_fw.variant);
604 le16_to_cpus(&hw->ident_pri_fw.major);
605 le16_to_cpus(&hw->ident_pri_fw.minor);
606
607 netdev_info(wlandev->netdev, "ident: pri f/w: id=0x%02x %d.%d.%d\n",
608 hw->ident_pri_fw.id, hw->ident_pri_fw.major,
609 hw->ident_pri_fw.minor, hw->ident_pri_fw.variant);
610
611 /* Station (Secondary?) f/w identity */
612 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STAIDENTITY,
613 &hw->ident_sta_fw,
614 sizeof(struct hfa384x_compident));
615 if (result) {
616 netdev_err(wlandev->netdev, "Failed to retrieve STAIDENTITY\n");
617 goto failed;
618 }
619
620 if (hw->ident_nic.id < 0x8000) {
621 netdev_err(wlandev->netdev,
622 "FATAL: Card is not an Intersil Prism2/2.5/3\n");
623 result = -1;
624 goto failed;
625 }
626
627 /* get all the station fw id fields in host byte order */
628 le16_to_cpus(&hw->ident_sta_fw.id);
629 le16_to_cpus(&hw->ident_sta_fw.variant);
630 le16_to_cpus(&hw->ident_sta_fw.major);
631 le16_to_cpus(&hw->ident_sta_fw.minor);
632
633 /* strip out the 'special' variant bits */
634 hw->mm_mods = hw->ident_sta_fw.variant & GENMASK(15, 14);
635 hw->ident_sta_fw.variant &= ~((u16)GENMASK(15, 14));
636
637 if (hw->ident_sta_fw.id == 0x1f) {
638 netdev_info(wlandev->netdev,
639 "ident: sta f/w: id=0x%02x %d.%d.%d\n",
640 hw->ident_sta_fw.id, hw->ident_sta_fw.major,
641 hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
642 } else {
643 netdev_info(wlandev->netdev,
644 "ident: ap f/w: id=0x%02x %d.%d.%d\n",
645 hw->ident_sta_fw.id, hw->ident_sta_fw.major,
646 hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
647 netdev_err(wlandev->netdev, "Unsupported Tertiary AP firmware loaded!\n");
648 goto failed;
649 }
650
651 /* Compatibility range, Modem supplier */
652 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_MFISUPRANGE,
653 &hw->cap_sup_mfi,
654 sizeof(struct hfa384x_caplevel));
655 if (result) {
656 netdev_err(wlandev->netdev, "Failed to retrieve MFISUPRANGE\n");
657 goto failed;
658 }
659
660 /* get all the Compatibility range, modem interface supplier
661 * fields in byte order
662 */
663 le16_to_cpus(&hw->cap_sup_mfi.role);
664 le16_to_cpus(&hw->cap_sup_mfi.id);
665 le16_to_cpus(&hw->cap_sup_mfi.variant);
666 le16_to_cpus(&hw->cap_sup_mfi.bottom);
667 le16_to_cpus(&hw->cap_sup_mfi.top);
668
669 netdev_info(wlandev->netdev,
670 "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
671 hw->cap_sup_mfi.role, hw->cap_sup_mfi.id,
672 hw->cap_sup_mfi.variant, hw->cap_sup_mfi.bottom,
673 hw->cap_sup_mfi.top);
674
675 /* Compatibility range, Controller supplier */
676 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CFISUPRANGE,
677 &hw->cap_sup_cfi,
678 sizeof(struct hfa384x_caplevel));
679 if (result) {
680 netdev_err(wlandev->netdev, "Failed to retrieve CFISUPRANGE\n");
681 goto failed;
682 }
683
684 /* get all the Compatibility range, controller interface supplier
685 * fields in byte order
686 */
687 le16_to_cpus(&hw->cap_sup_cfi.role);
688 le16_to_cpus(&hw->cap_sup_cfi.id);
689 le16_to_cpus(&hw->cap_sup_cfi.variant);
690 le16_to_cpus(&hw->cap_sup_cfi.bottom);
691 le16_to_cpus(&hw->cap_sup_cfi.top);
692
693 netdev_info(wlandev->netdev,
694 "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
695 hw->cap_sup_cfi.role, hw->cap_sup_cfi.id,
696 hw->cap_sup_cfi.variant, hw->cap_sup_cfi.bottom,
697 hw->cap_sup_cfi.top);
698
699 /* Compatibility range, Primary f/w supplier */
700 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRISUPRANGE,
701 &hw->cap_sup_pri,
702 sizeof(struct hfa384x_caplevel));
703 if (result) {
704 netdev_err(wlandev->netdev, "Failed to retrieve PRISUPRANGE\n");
705 goto failed;
706 }
707
708 /* get all the Compatibility range, primary firmware supplier
709 * fields in byte order
710 */
711 le16_to_cpus(&hw->cap_sup_pri.role);
712 le16_to_cpus(&hw->cap_sup_pri.id);
713 le16_to_cpus(&hw->cap_sup_pri.variant);
714 le16_to_cpus(&hw->cap_sup_pri.bottom);
715 le16_to_cpus(&hw->cap_sup_pri.top);
716
717 netdev_info(wlandev->netdev,
718 "PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
719 hw->cap_sup_pri.role, hw->cap_sup_pri.id,
720 hw->cap_sup_pri.variant, hw->cap_sup_pri.bottom,
721 hw->cap_sup_pri.top);
722
723 /* Compatibility range, Station f/w supplier */
724 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STASUPRANGE,
725 &hw->cap_sup_sta,
726 sizeof(struct hfa384x_caplevel));
727 if (result) {
728 netdev_err(wlandev->netdev, "Failed to retrieve STASUPRANGE\n");
729 goto failed;
730 }
731
732 /* get all the Compatibility range, station firmware supplier
733 * fields in byte order
734 */
735 le16_to_cpus(&hw->cap_sup_sta.role);
736 le16_to_cpus(&hw->cap_sup_sta.id);
737 le16_to_cpus(&hw->cap_sup_sta.variant);
738 le16_to_cpus(&hw->cap_sup_sta.bottom);
739 le16_to_cpus(&hw->cap_sup_sta.top);
740
741 if (hw->cap_sup_sta.id == 0x04) {
742 netdev_info(wlandev->netdev,
743 "STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
744 hw->cap_sup_sta.role, hw->cap_sup_sta.id,
745 hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
746 hw->cap_sup_sta.top);
747 } else {
748 netdev_info(wlandev->netdev,
749 "AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
750 hw->cap_sup_sta.role, hw->cap_sup_sta.id,
751 hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
752 hw->cap_sup_sta.top);
753 }
754
755 /* Compatibility range, primary f/w actor, CFI supplier */
756 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRI_CFIACTRANGES,
757 &hw->cap_act_pri_cfi,
758 sizeof(struct hfa384x_caplevel));
759 if (result) {
760 netdev_err(wlandev->netdev, "Failed to retrieve PRI_CFIACTRANGES\n");
761 goto failed;
762 }
763
764 /* get all the Compatibility range, primary f/w actor, CFI supplier
765 * fields in byte order
766 */
767 le16_to_cpus(&hw->cap_act_pri_cfi.role);
768 le16_to_cpus(&hw->cap_act_pri_cfi.id);
769 le16_to_cpus(&hw->cap_act_pri_cfi.variant);
770 le16_to_cpus(&hw->cap_act_pri_cfi.bottom);
771 le16_to_cpus(&hw->cap_act_pri_cfi.top);
772
773 netdev_info(wlandev->netdev,
774 "PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
775 hw->cap_act_pri_cfi.role, hw->cap_act_pri_cfi.id,
776 hw->cap_act_pri_cfi.variant, hw->cap_act_pri_cfi.bottom,
777 hw->cap_act_pri_cfi.top);
778
779 /* Compatibility range, sta f/w actor, CFI supplier */
780 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_CFIACTRANGES,
781 &hw->cap_act_sta_cfi,
782 sizeof(struct hfa384x_caplevel));
783 if (result) {
784 netdev_err(wlandev->netdev, "Failed to retrieve STA_CFIACTRANGES\n");
785 goto failed;
786 }
787
788 /* get all the Compatibility range, station f/w actor, CFI supplier
789 * fields in byte order
790 */
791 le16_to_cpus(&hw->cap_act_sta_cfi.role);
792 le16_to_cpus(&hw->cap_act_sta_cfi.id);
793 le16_to_cpus(&hw->cap_act_sta_cfi.variant);
794 le16_to_cpus(&hw->cap_act_sta_cfi.bottom);
795 le16_to_cpus(&hw->cap_act_sta_cfi.top);
796
797 netdev_info(wlandev->netdev,
798 "STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
799 hw->cap_act_sta_cfi.role, hw->cap_act_sta_cfi.id,
800 hw->cap_act_sta_cfi.variant, hw->cap_act_sta_cfi.bottom,
801 hw->cap_act_sta_cfi.top);
802
803 /* Compatibility range, sta f/w actor, MFI supplier */
804 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_MFIACTRANGES,
805 &hw->cap_act_sta_mfi,
806 sizeof(struct hfa384x_caplevel));
807 if (result) {
808 netdev_err(wlandev->netdev, "Failed to retrieve STA_MFIACTRANGES\n");
809 goto failed;
810 }
811
812 /* get all the Compatibility range, station f/w actor, MFI supplier
813 * fields in byte order
814 */
815 le16_to_cpus(&hw->cap_act_sta_mfi.role);
816 le16_to_cpus(&hw->cap_act_sta_mfi.id);
817 le16_to_cpus(&hw->cap_act_sta_mfi.variant);
818 le16_to_cpus(&hw->cap_act_sta_mfi.bottom);
819 le16_to_cpus(&hw->cap_act_sta_mfi.top);
820
821 netdev_info(wlandev->netdev,
822 "STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
823 hw->cap_act_sta_mfi.role, hw->cap_act_sta_mfi.id,
824 hw->cap_act_sta_mfi.variant, hw->cap_act_sta_mfi.bottom,
825 hw->cap_act_sta_mfi.top);
826
827 /* Serial Number */
828 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICSERIALNUMBER,
829 snum, HFA384x_RID_NICSERIALNUMBER_LEN);
830 if (!result) {
831 netdev_info(wlandev->netdev, "Prism2 card SN: %*pE\n",
832 HFA384x_RID_NICSERIALNUMBER_LEN, snum);
833 } else {
834 netdev_err(wlandev->netdev, "Failed to retrieve Prism2 Card SN\n");
835 goto failed;
836 }
837
838 /* Collect the MAC address */
839 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFOWNMACADDR,
840 addr, ETH_ALEN);
841 if (result != 0) {
842 netdev_err(wlandev->netdev, "Failed to retrieve mac address\n");
843 goto failed;
844 }
845 eth_hw_addr_set(wlandev->netdev, addr);
846
847 /* short preamble is always implemented */
848 wlandev->nsdcaps |= P80211_NSDCAP_SHORT_PREAMBLE;
849
850 /* find out if hardware wep is implemented */
851 hfa384x_drvr_getconfig16(hw, HFA384x_RID_PRIVACYOPTIMP, &temp);
852 if (temp)
853 wlandev->nsdcaps |= P80211_NSDCAP_HARDWAREWEP;
854
855 /* get the dBm Scaling constant */
856 hfa384x_drvr_getconfig16(hw, HFA384x_RID_CNFDBMADJUST, &temp);
857 hw->dbmadjust = temp;
858
859 /* Only enable scan by default on newer firmware */
860 if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
861 hw->ident_sta_fw.minor,
862 hw->ident_sta_fw.variant) <
863 HFA384x_FIRMWARE_VERSION(1, 5, 5)) {
864 wlandev->nsdcaps |= P80211_NSDCAP_NOSCAN;
865 }
866
867 /* TODO: Set any internally managed config items */
868
869 goto done;
870 failed:
871 netdev_err(wlandev->netdev, "Failed, result=%d\n", result);
872 done:
873 return result;
874 }
875
876 /*
877 * prism2sta_globalsetup
878 *
879 * Set any global RIDs that we want to set at device activation.
880 *
881 * Arguments:
882 * wlandev wlan device structure
883 *
884 * Returns:
885 * 0 success
886 * >0 f/w reported error
887 * <0 driver reported error
888 *
889 * Side effects:
890 *
891 * Call context:
892 * process thread
893 */
prism2sta_globalsetup(struct wlandevice * wlandev)894 static int prism2sta_globalsetup(struct wlandevice *wlandev)
895 {
896 struct hfa384x *hw = wlandev->priv;
897
898 /* Set the maximum frame size */
899 return hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN,
900 WLAN_DATA_MAXLEN);
901 }
902
prism2sta_setmulticast(struct wlandevice * wlandev,struct net_device * dev)903 static int prism2sta_setmulticast(struct wlandevice *wlandev,
904 struct net_device *dev)
905 {
906 int result = 0;
907 struct hfa384x *hw = wlandev->priv;
908
909 u16 promisc;
910
911 /* If we're not ready, what's the point? */
912 if (hw->state != HFA384x_STATE_RUNNING)
913 goto exit;
914
915 if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0)
916 promisc = P80211ENUM_truth_true;
917 else
918 promisc = P80211ENUM_truth_false;
919
920 result =
921 hfa384x_drvr_setconfig16_async(hw, HFA384x_RID_PROMISCMODE,
922 promisc);
923 exit:
924 return result;
925 }
926
927 /*
928 * prism2sta_inf_tallies
929 *
930 * Handles the receipt of a CommTallies info frame.
931 *
932 * Arguments:
933 * wlandev wlan device structure
934 * inf ptr to info frame (contents in hfa384x order)
935 *
936 * Returns:
937 * nothing
938 *
939 * Side effects:
940 *
941 * Call context:
942 * interrupt
943 */
prism2sta_inf_tallies(struct wlandevice * wlandev,struct hfa384x_inf_frame * inf)944 static void prism2sta_inf_tallies(struct wlandevice *wlandev,
945 struct hfa384x_inf_frame *inf)
946 {
947 struct hfa384x *hw = wlandev->priv;
948 __le16 *src16;
949 u32 *dst;
950 __le32 *src32;
951 int i;
952 int cnt;
953
954 /*
955 * Determine if these are 16-bit or 32-bit tallies, based on the
956 * record length of the info record.
957 */
958
959 cnt = sizeof(struct hfa384x_comm_tallies_32) / sizeof(u32);
960 if (inf->framelen > 22) {
961 dst = (u32 *)&hw->tallies;
962 src32 = (__le32 *)&inf->info.commtallies32;
963 for (i = 0; i < cnt; i++, dst++, src32++)
964 *dst += le32_to_cpu(*src32);
965 } else {
966 dst = (u32 *)&hw->tallies;
967 src16 = (__le16 *)&inf->info.commtallies16;
968 for (i = 0; i < cnt; i++, dst++, src16++)
969 *dst += le16_to_cpu(*src16);
970 }
971 }
972
973 /*
974 * prism2sta_inf_scanresults
975 *
976 * Handles the receipt of a Scan Results info frame.
977 *
978 * Arguments:
979 * wlandev wlan device structure
980 * inf ptr to info frame (contents in hfa384x order)
981 *
982 * Returns:
983 * nothing
984 *
985 * Side effects:
986 *
987 * Call context:
988 * interrupt
989 */
prism2sta_inf_scanresults(struct wlandevice * wlandev,struct hfa384x_inf_frame * inf)990 static void prism2sta_inf_scanresults(struct wlandevice *wlandev,
991 struct hfa384x_inf_frame *inf)
992 {
993 struct hfa384x *hw = wlandev->priv;
994 int nbss;
995 struct hfa384x_scan_result *sr = &inf->info.scanresult;
996 int i;
997 struct hfa384x_join_request_data joinreq;
998 int result;
999
1000 /* Get the number of results, first in bytes, then in results */
1001 nbss = (inf->framelen * sizeof(u16)) -
1002 sizeof(inf->infotype) - sizeof(inf->info.scanresult.scanreason);
1003 nbss /= sizeof(struct hfa384x_scan_result_sub);
1004
1005 /* Print em */
1006 netdev_dbg(wlandev->netdev, "rx scanresults, reason=%d, nbss=%d:\n",
1007 inf->info.scanresult.scanreason, nbss);
1008 for (i = 0; i < nbss; i++) {
1009 netdev_dbg(wlandev->netdev, "chid=%d anl=%d sl=%d bcnint=%d\n",
1010 sr->result[i].chid, sr->result[i].anl,
1011 sr->result[i].sl, sr->result[i].bcnint);
1012 netdev_dbg(wlandev->netdev,
1013 " capinfo=0x%04x proberesp_rate=%d\n",
1014 sr->result[i].capinfo, sr->result[i].proberesp_rate);
1015 }
1016 /* issue a join request */
1017 joinreq.channel = sr->result[0].chid;
1018 memcpy(joinreq.bssid, sr->result[0].bssid, WLAN_BSSID_LEN);
1019 result = hfa384x_drvr_setconfig(hw,
1020 HFA384x_RID_JOINREQUEST,
1021 &joinreq, HFA384x_RID_JOINREQUEST_LEN);
1022 if (result) {
1023 netdev_err(wlandev->netdev, "setconfig(joinreq) failed, result=%d\n",
1024 result);
1025 }
1026 }
1027
1028 /*
1029 * prism2sta_inf_hostscanresults
1030 *
1031 * Handles the receipt of a Scan Results info frame.
1032 *
1033 * Arguments:
1034 * wlandev wlan device structure
1035 * inf ptr to info frame (contents in hfa384x order)
1036 *
1037 * Returns:
1038 * nothing
1039 *
1040 * Side effects:
1041 *
1042 * Call context:
1043 * interrupt
1044 */
prism2sta_inf_hostscanresults(struct wlandevice * wlandev,struct hfa384x_inf_frame * inf)1045 static void prism2sta_inf_hostscanresults(struct wlandevice *wlandev,
1046 struct hfa384x_inf_frame *inf)
1047 {
1048 struct hfa384x *hw = wlandev->priv;
1049 int nbss;
1050
1051 nbss = (inf->framelen - 3) / 32;
1052 netdev_dbg(wlandev->netdev, "Received %d hostscan results\n", nbss);
1053
1054 if (nbss > 32)
1055 nbss = 32;
1056
1057 kfree(hw->scanresults);
1058
1059 hw->scanresults = kmemdup(inf, sizeof(*inf), GFP_ATOMIC);
1060
1061 if (nbss == 0)
1062 nbss = -1;
1063
1064 /* Notify/wake the sleeping caller. */
1065 hw->scanflag = nbss;
1066 wake_up_interruptible(&hw->cmdq);
1067 };
1068
1069 /*
1070 * prism2sta_inf_chinforesults
1071 *
1072 * Handles the receipt of a Channel Info Results info frame.
1073 *
1074 * Arguments:
1075 * wlandev wlan device structure
1076 * inf ptr to info frame (contents in hfa384x order)
1077 *
1078 * Returns:
1079 * nothing
1080 *
1081 * Side effects:
1082 *
1083 * Call context:
1084 * interrupt
1085 */
prism2sta_inf_chinforesults(struct wlandevice * wlandev,struct hfa384x_inf_frame * inf)1086 static void prism2sta_inf_chinforesults(struct wlandevice *wlandev,
1087 struct hfa384x_inf_frame *inf)
1088 {
1089 struct hfa384x *hw = wlandev->priv;
1090 unsigned int i, n;
1091
1092 hw->channel_info.results.scanchannels =
1093 inf->info.chinforesult.scanchannels;
1094
1095 for (i = 0, n = 0; i < HFA384x_CHINFORESULT_MAX; i++) {
1096 struct hfa384x_ch_info_result_sub *result;
1097 struct hfa384x_ch_info_result_sub *chinforesult;
1098 int chan;
1099
1100 if (!(hw->channel_info.results.scanchannels & (1 << i)))
1101 continue;
1102
1103 result = &inf->info.chinforesult.result[n];
1104 chan = result->chid - 1;
1105
1106 if (chan < 0 || chan >= HFA384x_CHINFORESULT_MAX)
1107 continue;
1108
1109 chinforesult = &hw->channel_info.results.result[chan];
1110 chinforesult->chid = chan;
1111 chinforesult->anl = result->anl;
1112 chinforesult->pnl = result->pnl;
1113 chinforesult->active = result->active;
1114
1115 netdev_dbg(wlandev->netdev,
1116 "chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
1117 chan + 1,
1118 (chinforesult->active & HFA384x_CHINFORESULT_BSSACTIVE) ?
1119 "signal" : "noise",
1120 chinforesult->anl,
1121 chinforesult->pnl,
1122 (chinforesult->active & HFA384x_CHINFORESULT_PCFACTIVE) ? 1 : 0);
1123 n++;
1124 }
1125 atomic_set(&hw->channel_info.done, 2);
1126
1127 hw->channel_info.count = n;
1128 }
1129
prism2sta_processing_defer(struct work_struct * data)1130 void prism2sta_processing_defer(struct work_struct *data)
1131 {
1132 struct hfa384x *hw = container_of(data, struct hfa384x, link_bh);
1133 struct wlandevice *wlandev = hw->wlandev;
1134 struct hfa384x_bytestr32 ssid;
1135 int result;
1136
1137 /* First let's process the auth frames */
1138 {
1139 struct sk_buff *skb;
1140 struct hfa384x_inf_frame *inf;
1141
1142 while ((skb = skb_dequeue(&hw->authq))) {
1143 inf = (struct hfa384x_inf_frame *)skb->data;
1144 prism2sta_inf_authreq_defer(wlandev, inf);
1145 }
1146 }
1147
1148 /* Now let's handle the linkstatus stuff */
1149 if (hw->link_status == hw->link_status_new)
1150 return;
1151
1152 hw->link_status = hw->link_status_new;
1153
1154 switch (hw->link_status) {
1155 case HFA384x_LINK_NOTCONNECTED:
1156 /* I'm currently assuming that this is the initial link
1157 * state. It should only be possible immediately
1158 * following an Enable command.
1159 * Response:
1160 * Block Transmits, Ignore receives of data frames
1161 */
1162 netif_carrier_off(wlandev->netdev);
1163
1164 netdev_info(wlandev->netdev, "linkstatus=NOTCONNECTED (unhandled)\n");
1165 break;
1166
1167 case HFA384x_LINK_CONNECTED:
1168 /* This one indicates a successful scan/join/auth/assoc.
1169 * When we have the full MLME complement, this event will
1170 * signify successful completion of both mlme_authenticate
1171 * and mlme_associate. State management will get a little
1172 * ugly here.
1173 * Response:
1174 * Indicate authentication and/or association
1175 * Enable Transmits, Receives and pass up data frames
1176 */
1177
1178 netif_carrier_on(wlandev->netdev);
1179
1180 /* If we are joining a specific AP, set our
1181 * state and reset retries
1182 */
1183 if (hw->join_ap == 1)
1184 hw->join_ap = 2;
1185 hw->join_retries = 60;
1186
1187 /* Don't call this in monitor mode */
1188 if (wlandev->netdev->type == ARPHRD_ETHER) {
1189 u16 portstatus;
1190
1191 netdev_info(wlandev->netdev, "linkstatus=CONNECTED\n");
1192
1193 /* For non-usb devices, we can use the sync versions */
1194 /* Collect the BSSID, and set state to allow tx */
1195
1196 result = hfa384x_drvr_getconfig(hw,
1197 HFA384x_RID_CURRENTBSSID,
1198 wlandev->bssid,
1199 WLAN_BSSID_LEN);
1200 if (result) {
1201 netdev_dbg(wlandev->netdev,
1202 "getconfig(0x%02x) failed, result = %d\n",
1203 HFA384x_RID_CURRENTBSSID, result);
1204 return;
1205 }
1206
1207 result = hfa384x_drvr_getconfig(hw,
1208 HFA384x_RID_CURRENTSSID,
1209 &ssid, sizeof(ssid));
1210 if (result) {
1211 netdev_dbg(wlandev->netdev,
1212 "getconfig(0x%02x) failed, result = %d\n",
1213 HFA384x_RID_CURRENTSSID, result);
1214 return;
1215 }
1216 prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *)&ssid,
1217 (struct p80211pstrd *)&wlandev->ssid);
1218
1219 /* Collect the port status */
1220 result = hfa384x_drvr_getconfig16(hw,
1221 HFA384x_RID_PORTSTATUS,
1222 &portstatus);
1223 if (result) {
1224 netdev_dbg(wlandev->netdev,
1225 "getconfig(0x%02x) failed, result = %d\n",
1226 HFA384x_RID_PORTSTATUS, result);
1227 return;
1228 }
1229 wlandev->macmode =
1230 (portstatus == HFA384x_PSTATUS_CONN_IBSS) ?
1231 WLAN_MACMODE_IBSS_STA : WLAN_MACMODE_ESS_STA;
1232
1233 /* signal back up to cfg80211 layer */
1234 prism2_connect_result(wlandev, P80211ENUM_truth_false);
1235
1236 /* Get the ball rolling on the comms quality stuff */
1237 prism2sta_commsqual_defer(&hw->commsqual_bh);
1238 }
1239 break;
1240
1241 case HFA384x_LINK_DISCONNECTED:
1242 /* This one indicates that our association is gone. We've
1243 * lost connection with the AP and/or been disassociated.
1244 * This indicates that the MAC has completely cleared it's
1245 * associated state. We * should send a deauth indication
1246 * (implying disassoc) up * to the MLME.
1247 * Response:
1248 * Indicate Deauthentication
1249 * Block Transmits, Ignore receives of data frames
1250 */
1251 if (wlandev->netdev->type == ARPHRD_ETHER)
1252 netdev_info(wlandev->netdev,
1253 "linkstatus=DISCONNECTED (unhandled)\n");
1254 wlandev->macmode = WLAN_MACMODE_NONE;
1255
1256 netif_carrier_off(wlandev->netdev);
1257
1258 /* signal back up to cfg80211 layer */
1259 prism2_disconnected(wlandev);
1260
1261 break;
1262
1263 case HFA384x_LINK_AP_CHANGE:
1264 /* This one indicates that the MAC has decided to and
1265 * successfully completed a change to another AP. We
1266 * should probably implement a reassociation indication
1267 * in response to this one. I'm thinking that the
1268 * p80211 layer needs to be notified in case of
1269 * buffering/queueing issues. User mode also needs to be
1270 * notified so that any BSS dependent elements can be
1271 * updated.
1272 * associated state. We * should send a deauth indication
1273 * (implying disassoc) up * to the MLME.
1274 * Response:
1275 * Indicate Reassociation
1276 * Enable Transmits, Receives and pass up data frames
1277 */
1278 netdev_info(wlandev->netdev, "linkstatus=AP_CHANGE\n");
1279
1280 result = hfa384x_drvr_getconfig(hw,
1281 HFA384x_RID_CURRENTBSSID,
1282 wlandev->bssid, WLAN_BSSID_LEN);
1283 if (result) {
1284 netdev_dbg(wlandev->netdev,
1285 "getconfig(0x%02x) failed, result = %d\n",
1286 HFA384x_RID_CURRENTBSSID, result);
1287 return;
1288 }
1289
1290 result = hfa384x_drvr_getconfig(hw,
1291 HFA384x_RID_CURRENTSSID,
1292 &ssid, sizeof(ssid));
1293 if (result) {
1294 netdev_dbg(wlandev->netdev,
1295 "getconfig(0x%02x) failed, result = %d\n",
1296 HFA384x_RID_CURRENTSSID, result);
1297 return;
1298 }
1299 prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *)&ssid,
1300 (struct p80211pstrd *)&wlandev->ssid);
1301
1302 hw->link_status = HFA384x_LINK_CONNECTED;
1303 netif_carrier_on(wlandev->netdev);
1304
1305 /* signal back up to cfg80211 layer */
1306 prism2_roamed(wlandev);
1307
1308 break;
1309
1310 case HFA384x_LINK_AP_OUTOFRANGE:
1311 /* This one indicates that the MAC has decided that the
1312 * AP is out of range, but hasn't found a better candidate
1313 * so the MAC maintains its "associated" state in case
1314 * we get back in range. We should block transmits and
1315 * receives in this state. Do we need an indication here?
1316 * Probably not since a polling user-mode element would
1317 * get this status from p2PortStatus(FD40). What about
1318 * p80211?
1319 * Response:
1320 * Block Transmits, Ignore receives of data frames
1321 */
1322 netdev_info(wlandev->netdev, "linkstatus=AP_OUTOFRANGE (unhandled)\n");
1323
1324 netif_carrier_off(wlandev->netdev);
1325
1326 break;
1327
1328 case HFA384x_LINK_AP_INRANGE:
1329 /* This one indicates that the MAC has decided that the
1330 * AP is back in range. We continue working with our
1331 * existing association.
1332 * Response:
1333 * Enable Transmits, Receives and pass up data frames
1334 */
1335 netdev_info(wlandev->netdev, "linkstatus=AP_INRANGE\n");
1336
1337 hw->link_status = HFA384x_LINK_CONNECTED;
1338 netif_carrier_on(wlandev->netdev);
1339
1340 break;
1341
1342 case HFA384x_LINK_ASSOCFAIL:
1343 /* This one is actually a peer to CONNECTED. We've
1344 * requested a join for a given SSID and optionally BSSID.
1345 * We can use this one to indicate authentication and
1346 * association failures. The trick is going to be
1347 * 1) identifying the failure, and 2) state management.
1348 * Response:
1349 * Disable Transmits, Ignore receives of data frames
1350 */
1351 if (hw->join_ap && --hw->join_retries > 0) {
1352 struct hfa384x_join_request_data joinreq;
1353
1354 joinreq = hw->joinreq;
1355 /* Send the join request */
1356 hfa384x_drvr_setconfig(hw,
1357 HFA384x_RID_JOINREQUEST,
1358 &joinreq,
1359 HFA384x_RID_JOINREQUEST_LEN);
1360 netdev_info(wlandev->netdev,
1361 "linkstatus=ASSOCFAIL (re-submitting join)\n");
1362 } else {
1363 netdev_info(wlandev->netdev, "linkstatus=ASSOCFAIL (unhandled)\n");
1364 }
1365
1366 netif_carrier_off(wlandev->netdev);
1367
1368 /* signal back up to cfg80211 layer */
1369 prism2_connect_result(wlandev, P80211ENUM_truth_true);
1370
1371 break;
1372
1373 default:
1374 /* This is bad, IO port problems? */
1375 netdev_warn(wlandev->netdev,
1376 "unknown linkstatus=0x%02x\n", hw->link_status);
1377 return;
1378 }
1379
1380 wlandev->linkstatus = (hw->link_status == HFA384x_LINK_CONNECTED);
1381 }
1382
1383 /*
1384 * prism2sta_inf_linkstatus
1385 *
1386 * Handles the receipt of a Link Status info frame.
1387 *
1388 * Arguments:
1389 * wlandev wlan device structure
1390 * inf ptr to info frame (contents in hfa384x order)
1391 *
1392 * Returns:
1393 * nothing
1394 *
1395 * Side effects:
1396 *
1397 * Call context:
1398 * interrupt
1399 */
prism2sta_inf_linkstatus(struct wlandevice * wlandev,struct hfa384x_inf_frame * inf)1400 static void prism2sta_inf_linkstatus(struct wlandevice *wlandev,
1401 struct hfa384x_inf_frame *inf)
1402 {
1403 struct hfa384x *hw = wlandev->priv;
1404
1405 hw->link_status_new = le16_to_cpu(inf->info.linkstatus.linkstatus);
1406
1407 schedule_work(&hw->link_bh);
1408 }
1409
1410 /*
1411 * prism2sta_inf_assocstatus
1412 *
1413 * Handles the receipt of an Association Status info frame. Should
1414 * be present in APs only.
1415 *
1416 * Arguments:
1417 * wlandev wlan device structure
1418 * inf ptr to info frame (contents in hfa384x order)
1419 *
1420 * Returns:
1421 * nothing
1422 *
1423 * Side effects:
1424 *
1425 * Call context:
1426 * interrupt
1427 */
prism2sta_inf_assocstatus(struct wlandevice * wlandev,struct hfa384x_inf_frame * inf)1428 static void prism2sta_inf_assocstatus(struct wlandevice *wlandev,
1429 struct hfa384x_inf_frame *inf)
1430 {
1431 struct hfa384x *hw = wlandev->priv;
1432 struct hfa384x_assoc_status rec;
1433 int i;
1434
1435 memcpy(&rec, &inf->info.assocstatus, sizeof(rec));
1436 le16_to_cpus(&rec.assocstatus);
1437 le16_to_cpus(&rec.reason);
1438
1439 /*
1440 * Find the address in the list of authenticated stations.
1441 * If it wasn't found, then this address has not been previously
1442 * authenticated and something weird has happened if this is
1443 * anything other than an "authentication failed" message.
1444 * If the address was found, then set the "associated" flag for
1445 * that station, based on whether the station is associating or
1446 * losing its association. Something weird has also happened
1447 * if we find the address in the list of authenticated stations
1448 * but we are getting an "authentication failed" message.
1449 */
1450
1451 for (i = 0; i < hw->authlist.cnt; i++)
1452 if (ether_addr_equal(rec.sta_addr, hw->authlist.addr[i]))
1453 break;
1454
1455 if (i >= hw->authlist.cnt) {
1456 if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL)
1457 netdev_warn(wlandev->netdev,
1458 "assocstatus info frame received for non-authenticated station.\n");
1459 } else {
1460 hw->authlist.assoc[i] =
1461 (rec.assocstatus == HFA384x_ASSOCSTATUS_STAASSOC ||
1462 rec.assocstatus == HFA384x_ASSOCSTATUS_REASSOC);
1463
1464 if (rec.assocstatus == HFA384x_ASSOCSTATUS_AUTHFAIL)
1465 netdev_warn(wlandev->netdev,
1466 "authfail assocstatus info frame received for authenticated station.\n");
1467 }
1468 }
1469
1470 /*
1471 * prism2sta_inf_authreq
1472 *
1473 * Handles the receipt of an Authentication Request info frame. Should
1474 * be present in APs only.
1475 *
1476 * Arguments:
1477 * wlandev wlan device structure
1478 * inf ptr to info frame (contents in hfa384x order)
1479 *
1480 * Returns:
1481 * nothing
1482 *
1483 * Side effects:
1484 *
1485 * Call context:
1486 * interrupt
1487 *
1488 */
prism2sta_inf_authreq(struct wlandevice * wlandev,struct hfa384x_inf_frame * inf)1489 static void prism2sta_inf_authreq(struct wlandevice *wlandev,
1490 struct hfa384x_inf_frame *inf)
1491 {
1492 struct hfa384x *hw = wlandev->priv;
1493 struct sk_buff *skb;
1494
1495 skb = dev_alloc_skb(sizeof(*inf));
1496 if (skb) {
1497 skb_put(skb, sizeof(*inf));
1498 memcpy(skb->data, inf, sizeof(*inf));
1499 skb_queue_tail(&hw->authq, skb);
1500 schedule_work(&hw->link_bh);
1501 }
1502 }
1503
prism2sta_inf_authreq_defer(struct wlandevice * wlandev,struct hfa384x_inf_frame * inf)1504 static void prism2sta_inf_authreq_defer(struct wlandevice *wlandev,
1505 struct hfa384x_inf_frame *inf)
1506 {
1507 struct hfa384x *hw = wlandev->priv;
1508 struct hfa384x_authenticate_station_data rec;
1509
1510 int i, added, result, cnt;
1511 u8 *addr;
1512
1513 /*
1514 * Build the AuthenticateStation record. Initialize it for denying
1515 * authentication.
1516 */
1517
1518 ether_addr_copy(rec.address, inf->info.authreq.sta_addr);
1519 rec.status = cpu_to_le16(P80211ENUM_status_unspec_failure);
1520
1521 /*
1522 * Authenticate based on the access mode.
1523 */
1524
1525 switch (hw->accessmode) {
1526 case WLAN_ACCESS_NONE:
1527
1528 /*
1529 * Deny all new authentications. However, if a station
1530 * is ALREADY authenticated, then accept it.
1531 */
1532
1533 for (i = 0; i < hw->authlist.cnt; i++)
1534 if (ether_addr_equal(rec.address,
1535 hw->authlist.addr[i])) {
1536 rec.status = cpu_to_le16(P80211ENUM_status_successful);
1537 break;
1538 }
1539
1540 break;
1541
1542 case WLAN_ACCESS_ALL:
1543
1544 /*
1545 * Allow all authentications.
1546 */
1547
1548 rec.status = cpu_to_le16(P80211ENUM_status_successful);
1549 break;
1550
1551 case WLAN_ACCESS_ALLOW:
1552
1553 /*
1554 * Only allow the authentication if the MAC address
1555 * is in the list of allowed addresses.
1556 *
1557 * Since this is the interrupt handler, we may be here
1558 * while the access list is in the middle of being
1559 * updated. Choose the list which is currently okay.
1560 * See "prism2mib_priv_accessallow()" for details.
1561 */
1562
1563 if (hw->allow.modify == 0) {
1564 cnt = hw->allow.cnt;
1565 addr = hw->allow.addr[0];
1566 } else {
1567 cnt = hw->allow.cnt1;
1568 addr = hw->allow.addr1[0];
1569 }
1570
1571 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1572 if (ether_addr_equal(rec.address, addr)) {
1573 rec.status = cpu_to_le16(P80211ENUM_status_successful);
1574 break;
1575 }
1576
1577 break;
1578
1579 case WLAN_ACCESS_DENY:
1580
1581 /*
1582 * Allow the authentication UNLESS the MAC address is
1583 * in the list of denied addresses.
1584 *
1585 * Since this is the interrupt handler, we may be here
1586 * while the access list is in the middle of being
1587 * updated. Choose the list which is currently okay.
1588 * See "prism2mib_priv_accessdeny()" for details.
1589 */
1590
1591 if (hw->deny.modify == 0) {
1592 cnt = hw->deny.cnt;
1593 addr = hw->deny.addr[0];
1594 } else {
1595 cnt = hw->deny.cnt1;
1596 addr = hw->deny.addr1[0];
1597 }
1598
1599 rec.status = cpu_to_le16(P80211ENUM_status_successful);
1600
1601 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1602 if (ether_addr_equal(rec.address, addr)) {
1603 rec.status = cpu_to_le16(P80211ENUM_status_unspec_failure);
1604 break;
1605 }
1606
1607 break;
1608 }
1609
1610 /*
1611 * If the authentication is okay, then add the MAC address to the
1612 * list of authenticated stations. Don't add the address if it
1613 * is already in the list. (802.11b does not seem to disallow
1614 * a station from issuing an authentication request when the
1615 * station is already authenticated. Does this sort of thing
1616 * ever happen? We might as well do the check just in case.)
1617 */
1618
1619 added = 0;
1620
1621 if (rec.status == cpu_to_le16(P80211ENUM_status_successful)) {
1622 for (i = 0; i < hw->authlist.cnt; i++)
1623 if (ether_addr_equal(rec.address,
1624 hw->authlist.addr[i]))
1625 break;
1626
1627 if (i >= hw->authlist.cnt) {
1628 if (hw->authlist.cnt >= WLAN_AUTH_MAX) {
1629 rec.status = cpu_to_le16(P80211ENUM_status_ap_full);
1630 } else {
1631 ether_addr_copy(hw->authlist.addr[hw->authlist.cnt],
1632 rec.address);
1633 hw->authlist.cnt++;
1634 added = 1;
1635 }
1636 }
1637 }
1638
1639 /*
1640 * Send back the results of the authentication. If this doesn't work,
1641 * then make sure to remove the address from the authenticated list if
1642 * it was added.
1643 */
1644
1645 rec.algorithm = inf->info.authreq.algorithm;
1646
1647 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_AUTHENTICATESTA,
1648 &rec, sizeof(rec));
1649 if (result) {
1650 if (added)
1651 hw->authlist.cnt--;
1652 netdev_err(wlandev->netdev,
1653 "setconfig(authenticatestation) failed, result=%d\n",
1654 result);
1655 }
1656 }
1657
1658 /*
1659 * prism2sta_inf_psusercnt
1660 *
1661 * Handles the receipt of a PowerSaveUserCount info frame. Should
1662 * be present in APs only.
1663 *
1664 * Arguments:
1665 * wlandev wlan device structure
1666 * inf ptr to info frame (contents in hfa384x order)
1667 *
1668 * Returns:
1669 * nothing
1670 *
1671 * Side effects:
1672 *
1673 * Call context:
1674 * interrupt
1675 */
prism2sta_inf_psusercnt(struct wlandevice * wlandev,struct hfa384x_inf_frame * inf)1676 static void prism2sta_inf_psusercnt(struct wlandevice *wlandev,
1677 struct hfa384x_inf_frame *inf)
1678 {
1679 struct hfa384x *hw = wlandev->priv;
1680
1681 hw->psusercount = le16_to_cpu(inf->info.psusercnt.usercnt);
1682 }
1683
1684 /*
1685 * prism2sta_ev_info
1686 *
1687 * Handles the Info event.
1688 *
1689 * Arguments:
1690 * wlandev wlan device structure
1691 * inf ptr to a generic info frame
1692 *
1693 * Returns:
1694 * nothing
1695 *
1696 * Side effects:
1697 *
1698 * Call context:
1699 * interrupt
1700 */
prism2sta_ev_info(struct wlandevice * wlandev,struct hfa384x_inf_frame * inf)1701 void prism2sta_ev_info(struct wlandevice *wlandev,
1702 struct hfa384x_inf_frame *inf)
1703 {
1704 le16_to_cpus(&inf->infotype);
1705 /* Dispatch */
1706 switch (inf->infotype) {
1707 case HFA384x_IT_HANDOVERADDR:
1708 netdev_dbg(wlandev->netdev,
1709 "received infoframe:HANDOVER (unhandled)\n");
1710 break;
1711 case HFA384x_IT_COMMTALLIES:
1712 prism2sta_inf_tallies(wlandev, inf);
1713 break;
1714 case HFA384x_IT_HOSTSCANRESULTS:
1715 prism2sta_inf_hostscanresults(wlandev, inf);
1716 break;
1717 case HFA384x_IT_SCANRESULTS:
1718 prism2sta_inf_scanresults(wlandev, inf);
1719 break;
1720 case HFA384x_IT_CHINFORESULTS:
1721 prism2sta_inf_chinforesults(wlandev, inf);
1722 break;
1723 case HFA384x_IT_LINKSTATUS:
1724 prism2sta_inf_linkstatus(wlandev, inf);
1725 break;
1726 case HFA384x_IT_ASSOCSTATUS:
1727 prism2sta_inf_assocstatus(wlandev, inf);
1728 break;
1729 case HFA384x_IT_AUTHREQ:
1730 prism2sta_inf_authreq(wlandev, inf);
1731 break;
1732 case HFA384x_IT_PSUSERCNT:
1733 prism2sta_inf_psusercnt(wlandev, inf);
1734 break;
1735 case HFA384x_IT_KEYIDCHANGED:
1736 netdev_warn(wlandev->netdev, "Unhandled IT_KEYIDCHANGED\n");
1737 break;
1738 case HFA384x_IT_ASSOCREQ:
1739 netdev_warn(wlandev->netdev, "Unhandled IT_ASSOCREQ\n");
1740 break;
1741 case HFA384x_IT_MICFAILURE:
1742 netdev_warn(wlandev->netdev, "Unhandled IT_MICFAILURE\n");
1743 break;
1744 default:
1745 netdev_warn(wlandev->netdev,
1746 "Unknown info type=0x%02x\n", inf->infotype);
1747 break;
1748 }
1749 }
1750
1751 /*
1752 * prism2sta_ev_tx
1753 *
1754 * Handles the Tx event.
1755 *
1756 * Arguments:
1757 * wlandev wlan device structure
1758 * status tx frame status word
1759 * Returns:
1760 * nothing
1761 *
1762 * Side effects:
1763 *
1764 * Call context:
1765 * interrupt
1766 */
prism2sta_ev_tx(struct wlandevice * wlandev,u16 status)1767 void prism2sta_ev_tx(struct wlandevice *wlandev, u16 status)
1768 {
1769 netdev_dbg(wlandev->netdev, "Tx Complete, status=0x%04x\n", status);
1770 /* update linux network stats */
1771 wlandev->netdev->stats.tx_packets++;
1772 }
1773
1774 /*
1775 * prism2sta_ev_alloc
1776 *
1777 * Handles the Alloc event.
1778 *
1779 * Arguments:
1780 * wlandev wlan device structure
1781 *
1782 * Returns:
1783 * nothing
1784 *
1785 * Side effects:
1786 *
1787 * Call context:
1788 * interrupt
1789 */
prism2sta_ev_alloc(struct wlandevice * wlandev)1790 void prism2sta_ev_alloc(struct wlandevice *wlandev)
1791 {
1792 netif_wake_queue(wlandev->netdev);
1793 }
1794
1795 /*
1796 * create_wlan
1797 *
1798 * Called at module init time. This creates the struct wlandevice structure
1799 * and initializes it with relevant bits.
1800 *
1801 * Arguments:
1802 * none
1803 *
1804 * Returns:
1805 * the created struct wlandevice structure.
1806 *
1807 * Side effects:
1808 * also allocates the priv/hw structures.
1809 *
1810 * Call context:
1811 * process thread
1812 *
1813 */
create_wlan(void)1814 static struct wlandevice *create_wlan(void)
1815 {
1816 struct wlandevice *wlandev = NULL;
1817 struct hfa384x *hw = NULL;
1818
1819 /* Alloc our structures */
1820 wlandev = kzalloc(sizeof(*wlandev), GFP_KERNEL);
1821 hw = kzalloc(sizeof(*hw), GFP_KERNEL);
1822
1823 if (!wlandev || !hw) {
1824 kfree(wlandev);
1825 kfree(hw);
1826 return NULL;
1827 }
1828
1829 /* Initialize the network device object. */
1830 wlandev->nsdname = dev_info;
1831 wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
1832 wlandev->priv = hw;
1833 wlandev->open = prism2sta_open;
1834 wlandev->close = prism2sta_close;
1835 wlandev->reset = prism2sta_reset;
1836 wlandev->txframe = prism2sta_txframe;
1837 wlandev->mlmerequest = prism2sta_mlmerequest;
1838 wlandev->set_multicast_list = prism2sta_setmulticast;
1839 wlandev->tx_timeout = hfa384x_tx_timeout;
1840
1841 wlandev->nsdcaps = P80211_NSDCAP_HWFRAGMENT | P80211_NSDCAP_AUTOJOIN;
1842
1843 /* Initialize the device private data structure. */
1844 hw->dot11_desired_bss_type = 1;
1845
1846 return wlandev;
1847 }
1848
prism2sta_commsqual_defer(struct work_struct * data)1849 void prism2sta_commsqual_defer(struct work_struct *data)
1850 {
1851 struct hfa384x *hw = container_of(data, struct hfa384x, commsqual_bh);
1852 struct wlandevice *wlandev = hw->wlandev;
1853 struct hfa384x_bytestr32 ssid;
1854 struct p80211msg_dot11req_mibget msg;
1855 struct p80211item_uint32 *mibitem = (struct p80211item_uint32 *)
1856 &msg.mibattribute.data;
1857 int result = 0;
1858
1859 if (hw->wlandev->hwremoved)
1860 return;
1861
1862 /* we don't care if we're in AP mode */
1863 if ((wlandev->macmode == WLAN_MACMODE_NONE) ||
1864 (wlandev->macmode == WLAN_MACMODE_ESS_AP)) {
1865 return;
1866 }
1867
1868 /* It only makes sense to poll these in non-IBSS */
1869 if (wlandev->macmode != WLAN_MACMODE_IBSS_STA) {
1870 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DBMCOMMSQUALITY,
1871 &hw->qual, HFA384x_RID_DBMCOMMSQUALITY_LEN);
1872
1873 if (result) {
1874 netdev_err(wlandev->netdev, "error fetching commsqual\n");
1875 return;
1876 }
1877
1878 netdev_dbg(wlandev->netdev, "commsqual %d %d %d\n",
1879 le16_to_cpu(hw->qual.cq_curr_bss),
1880 le16_to_cpu(hw->qual.asl_curr_bss),
1881 le16_to_cpu(hw->qual.anl_curr_fc));
1882 }
1883
1884 /* Get the signal rate */
1885 msg.msgcode = DIDMSG_DOT11REQ_MIBGET;
1886 mibitem->did = DIDMIB_P2_MAC_CURRENTTXRATE;
1887 result = p80211req_dorequest(wlandev, (u8 *)&msg);
1888
1889 if (result) {
1890 netdev_dbg(wlandev->netdev,
1891 "get signal rate failed, result = %d\n", result);
1892 return;
1893 }
1894
1895 switch (mibitem->data) {
1896 case HFA384x_RATEBIT_1:
1897 hw->txrate = 10;
1898 break;
1899 case HFA384x_RATEBIT_2:
1900 hw->txrate = 20;
1901 break;
1902 case HFA384x_RATEBIT_5dot5:
1903 hw->txrate = 55;
1904 break;
1905 case HFA384x_RATEBIT_11:
1906 hw->txrate = 110;
1907 break;
1908 default:
1909 netdev_dbg(wlandev->netdev, "Bad ratebit (%d)\n",
1910 mibitem->data);
1911 }
1912
1913 /* Lastly, we need to make sure the BSSID didn't change on us */
1914 result = hfa384x_drvr_getconfig(hw,
1915 HFA384x_RID_CURRENTBSSID,
1916 wlandev->bssid, WLAN_BSSID_LEN);
1917 if (result) {
1918 netdev_dbg(wlandev->netdev,
1919 "getconfig(0x%02x) failed, result = %d\n",
1920 HFA384x_RID_CURRENTBSSID, result);
1921 return;
1922 }
1923
1924 result = hfa384x_drvr_getconfig(hw,
1925 HFA384x_RID_CURRENTSSID,
1926 &ssid, sizeof(ssid));
1927 if (result) {
1928 netdev_dbg(wlandev->netdev,
1929 "getconfig(0x%02x) failed, result = %d\n",
1930 HFA384x_RID_CURRENTSSID, result);
1931 return;
1932 }
1933 prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *)&ssid,
1934 (struct p80211pstrd *)&wlandev->ssid);
1935
1936 /* Reschedule timer */
1937 mod_timer(&hw->commsqual_timer, jiffies + HZ);
1938 }
1939
prism2sta_commsqual_timer(struct timer_list * t)1940 void prism2sta_commsqual_timer(struct timer_list *t)
1941 {
1942 struct hfa384x *hw = from_timer(hw, t, commsqual_timer);
1943
1944 schedule_work(&hw->commsqual_bh);
1945 }
1946