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1 /* src/prism2/driver/prism2mgmt.c
2 *
3 * Management request handler functions.
4 *
5 * Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
6 * --------------------------------------------------------------------
7 *
8 * linux-wlan
9 *
10 *   The contents of this file are subject to the Mozilla Public
11 *   License Version 1.1 (the "License"); you may not use this file
12 *   except in compliance with the License. You may obtain a copy of
13 *   the License at http://www.mozilla.org/MPL/
14 *
15 *   Software distributed under the License is distributed on an "AS
16 *   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
17 *   implied. See the License for the specific language governing
18 *   rights and limitations under the License.
19 *
20 *   Alternatively, the contents of this file may be used under the
21 *   terms of the GNU Public License version 2 (the "GPL"), in which
22 *   case the provisions of the GPL are applicable instead of the
23 *   above.  If you wish to allow the use of your version of this file
24 *   only under the terms of the GPL and not to allow others to use
25 *   your version of this file under the MPL, indicate your decision
26 *   by deleting the provisions above and replace them with the notice
27 *   and other provisions required by the GPL.  If you do not delete
28 *   the provisions above, a recipient may use your version of this
29 *   file under either the MPL or the GPL.
30 *
31 * --------------------------------------------------------------------
32 *
33 * Inquiries regarding the linux-wlan Open Source project can be
34 * made directly to:
35 *
36 * AbsoluteValue Systems Inc.
37 * info@linux-wlan.com
38 * http://www.linux-wlan.com
39 *
40 * --------------------------------------------------------------------
41 *
42 * Portions of the development of this software were funded by
43 * Intersil Corporation as part of PRISM(R) chipset product development.
44 *
45 * --------------------------------------------------------------------
46 *
47 * The functions in this file handle management requests sent from
48 * user mode.
49 *
50 * Most of these functions have two separate blocks of code that are
51 * conditional on whether this is a station or an AP.  This is used
52 * to separate out the STA and AP responses to these management primitives.
53 * It's a choice (good, bad, indifferent?) to have the code in the same
54 * place so it's clear that the same primitive is implemented in both
55 * cases but has different behavior.
56 *
57 * --------------------------------------------------------------------
58 */
59
60 #include <linux/if_arp.h>
61 #include <linux/module.h>
62 #include <linux/kernel.h>
63 #include <linux/wait.h>
64 #include <linux/sched.h>
65 #include <linux/types.h>
66 #include <linux/wireless.h>
67 #include <linux/netdevice.h>
68 #include <linux/delay.h>
69 #include <linux/io.h>
70 #include <asm/byteorder.h>
71 #include <linux/random.h>
72 #include <linux/usb.h>
73 #include <linux/bitops.h>
74
75 #include "p80211types.h"
76 #include "p80211hdr.h"
77 #include "p80211mgmt.h"
78 #include "p80211conv.h"
79 #include "p80211msg.h"
80 #include "p80211netdev.h"
81 #include "p80211metadef.h"
82 #include "p80211metastruct.h"
83 #include "hfa384x.h"
84 #include "prism2mgmt.h"
85
86 /* Converts 802.11 format rate specifications to prism2 */
87 #define p80211rate_to_p2bit(n)  ((((n)&~BIT(7)) == 2) ? BIT(0) :  \
88                                  (((n)&~BIT(7)) == 4) ? BIT(1) : \
89                                  (((n)&~BIT(7)) == 11) ? BIT(2) : \
90                                  (((n)&~BIT(7)) == 22) ? BIT(3) : 0)
91
92 /*----------------------------------------------------------------
93 * prism2mgmt_scan
94 *
95 * Initiate a scan for BSSs.
96 *
97 * This function corresponds to MLME-scan.request and part of
98 * MLME-scan.confirm.  As far as I can tell in the standard, there
99 * are no restrictions on when a scan.request may be issued.  We have
100 * to handle in whatever state the driver/MAC happen to be.
101 *
102 * Arguments:
103 *       wlandev         wlan device structure
104 *       msgp            ptr to msg buffer
105 *
106 * Returns:
107 *       0       success and done
108 *       <0      success, but we're waiting for something to finish.
109 *       >0      an error occurred while handling the message.
110 * Side effects:
111 *
112 * Call context:
113 *       process thread  (usually)
114 *       interrupt
115 ----------------------------------------------------------------*/
116 int prism2mgmt_scan(wlandevice_t *wlandev, void *msgp)
117 {
118         int result = 0;
119         hfa384x_t *hw = wlandev->priv;
120         struct p80211msg_dot11req_scan *msg = msgp;
121         u16 roamingmode, word;
122         int i, timeout;
123         int istmpenable = 0;
124
125         hfa384x_HostScanRequest_data_t scanreq;
126
127         /* gatekeeper check */
128         if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
129                                      hw->ident_sta_fw.minor,
130                                      hw->ident_sta_fw.variant) <
131             HFA384x_FIRMWARE_VERSION(1, 3, 2)) {
132                 printk(KERN_ERR
133                        "HostScan not supported with current firmware (<1.3.2).\n");
134                 result = 1;
135                 msg->resultcode.data = P80211ENUM_resultcode_not_supported;
136                 goto exit;
137         }
138
139         memset(&scanreq, 0, sizeof(scanreq));
140
141         /* save current roaming mode */
142         result = hfa384x_drvr_getconfig16(hw,
143                                           HFA384x_RID_CNFROAMINGMODE,
144                                           &roamingmode);
145         if (result) {
146                 printk(KERN_ERR "getconfig(ROAMMODE) failed. result=%d\n",
147                        result);
148                 msg->resultcode.data =
149                     P80211ENUM_resultcode_implementation_failure;
150                 goto exit;
151         }
152
153         /* drop into mode 3 for the scan */
154         result = hfa384x_drvr_setconfig16(hw,
155                                           HFA384x_RID_CNFROAMINGMODE,
156                                           HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM);
157         if (result) {
158                 printk(KERN_ERR "setconfig(ROAMINGMODE) failed. result=%d\n",
159                        result);
160                 msg->resultcode.data =
161                     P80211ENUM_resultcode_implementation_failure;
162                 goto exit;
163         }
164
165         /* active or passive? */
166         if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
167                                      hw->ident_sta_fw.minor,
168                                      hw->ident_sta_fw.variant) >
169             HFA384x_FIRMWARE_VERSION(1, 5, 0)) {
170                 if (msg->scantype.data != P80211ENUM_scantype_active)
171                         word = cpu_to_le16(msg->maxchanneltime.data);
172                 else
173                         word = 0;
174
175                 result =
176                     hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPASSIVESCANCTRL,
177                                              word);
178                 if (result) {
179                         printk(KERN_WARNING "Passive scan not supported with "
180                                "current firmware.  (<1.5.1)\n");
181                 }
182         }
183
184         /* set up the txrate to be 2MBPS. Should be fastest basicrate... */
185         word = HFA384x_RATEBIT_2;
186         scanreq.txRate = cpu_to_le16(word);
187
188         /* set up the channel list */
189         word = 0;
190         for (i = 0; i < msg->channellist.data.len; i++) {
191                 u8 channel = msg->channellist.data.data[i];
192                 if (channel > 14)
193                         continue;
194                 /* channel 1 is BIT 0 ... channel 14 is BIT 13 */
195                 word |= (1 << (channel - 1));
196         }
197         scanreq.channelList = cpu_to_le16(word);
198
199         /* set up the ssid, if present. */
200         scanreq.ssid.len = cpu_to_le16(msg->ssid.data.len);
201         memcpy(scanreq.ssid.data, msg->ssid.data.data, msg->ssid.data.len);
202
203         /* Enable the MAC port if it's not already enabled  */
204         result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_PORTSTATUS, &word);
205         if (result) {
206                 printk(KERN_ERR "getconfig(PORTSTATUS) failed. "
207                        "result=%d\n", result);
208                 msg->resultcode.data =
209                     P80211ENUM_resultcode_implementation_failure;
210                 goto exit;
211         }
212         if (word == HFA384x_PORTSTATUS_DISABLED) {
213                 u16 wordbuf[17];
214
215                 result = hfa384x_drvr_setconfig16(hw,
216                                         HFA384x_RID_CNFROAMINGMODE,
217                                         HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM);
218                 if (result) {
219                         printk(KERN_ERR
220                                "setconfig(ROAMINGMODE) failed. result=%d\n",
221                                result);
222                         msg->resultcode.data =
223                             P80211ENUM_resultcode_implementation_failure;
224                         goto exit;
225                 }
226                 /* Construct a bogus SSID and assign it to OwnSSID and
227                  * DesiredSSID
228                  */
229                 wordbuf[0] = cpu_to_le16(WLAN_SSID_MAXLEN);
230                 get_random_bytes(&wordbuf[1], WLAN_SSID_MAXLEN);
231                 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFOWNSSID,
232                                                 wordbuf,
233                                                 HFA384x_RID_CNFOWNSSID_LEN);
234                 if (result) {
235                         printk(KERN_ERR "Failed to set OwnSSID.\n");
236                         msg->resultcode.data =
237                             P80211ENUM_resultcode_implementation_failure;
238                         goto exit;
239                 }
240                 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID,
241                                                 wordbuf,
242                                                 HFA384x_RID_CNFDESIREDSSID_LEN);
243                 if (result) {
244                         printk(KERN_ERR "Failed to set DesiredSSID.\n");
245                         msg->resultcode.data =
246                             P80211ENUM_resultcode_implementation_failure;
247                         goto exit;
248                 }
249                 /* bsstype */
250                 result = hfa384x_drvr_setconfig16(hw,
251                                                   HFA384x_RID_CNFPORTTYPE,
252                                                   HFA384x_PORTTYPE_IBSS);
253                 if (result) {
254                         printk(KERN_ERR "Failed to set CNFPORTTYPE.\n");
255                         msg->resultcode.data =
256                             P80211ENUM_resultcode_implementation_failure;
257                         goto exit;
258                 }
259                 /* ibss options */
260                 result = hfa384x_drvr_setconfig16(hw,
261                                         HFA384x_RID_CREATEIBSS,
262                                         HFA384x_CREATEIBSS_JOINCREATEIBSS);
263                 if (result) {
264                         printk(KERN_ERR "Failed to set CREATEIBSS.\n");
265                         msg->resultcode.data =
266                             P80211ENUM_resultcode_implementation_failure;
267                         goto exit;
268                 }
269                 result = hfa384x_drvr_enable(hw, 0);
270                 if (result) {
271                         printk(KERN_ERR "drvr_enable(0) failed. "
272                                "result=%d\n", result);
273                         msg->resultcode.data =
274                             P80211ENUM_resultcode_implementation_failure;
275                         goto exit;
276                 }
277                 istmpenable = 1;
278         }
279
280         /* Figure out our timeout first Kus, then HZ */
281         timeout = msg->channellist.data.len * msg->maxchanneltime.data;
282         timeout = (timeout * HZ) / 1000;
283
284         /* Issue the scan request */
285         hw->scanflag = 0;
286
287         result = hfa384x_drvr_setconfig(hw,
288                                         HFA384x_RID_HOSTSCAN, &scanreq,
289                                         sizeof(hfa384x_HostScanRequest_data_t));
290         if (result) {
291                 printk(KERN_ERR "setconfig(SCANREQUEST) failed. result=%d\n",
292                        result);
293                 msg->resultcode.data =
294                     P80211ENUM_resultcode_implementation_failure;
295                 goto exit;
296         }
297
298         /* sleep until info frame arrives */
299         wait_event_interruptible_timeout(hw->cmdq, hw->scanflag, timeout);
300
301         msg->numbss.status = P80211ENUM_msgitem_status_data_ok;
302         if (hw->scanflag == -1)
303                 hw->scanflag = 0;
304
305         msg->numbss.data = hw->scanflag;
306
307         hw->scanflag = 0;
308
309         /* Disable port if we temporarily enabled it. */
310         if (istmpenable) {
311                 result = hfa384x_drvr_disable(hw, 0);
312                 if (result) {
313                         printk(KERN_ERR "drvr_disable(0) failed. "
314                                "result=%d\n", result);
315                         msg->resultcode.data =
316                             P80211ENUM_resultcode_implementation_failure;
317                         goto exit;
318                 }
319         }
320
321         /* restore original roaming mode */
322         result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFROAMINGMODE,
323                                           roamingmode);
324         if (result) {
325                 printk(KERN_ERR "setconfig(ROAMMODE) failed. result=%d\n",
326                        result);
327                 msg->resultcode.data =
328                     P80211ENUM_resultcode_implementation_failure;
329                 goto exit;
330         }
331
332         result = 0;
333         msg->resultcode.data = P80211ENUM_resultcode_success;
334
335 exit:
336         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
337
338         return result;
339 }
340
341 /*----------------------------------------------------------------
342 * prism2mgmt_scan_results
343 *
344 * Retrieve the BSS description for one of the BSSs identified in
345 * a scan.
346 *
347 * Arguments:
348 *       wlandev         wlan device structure
349 *       msgp            ptr to msg buffer
350 *
351 * Returns:
352 *       0       success and done
353 *       <0      success, but we're waiting for something to finish.
354 *       >0      an error occurred while handling the message.
355 * Side effects:
356 *
357 * Call context:
358 *       process thread  (usually)
359 *       interrupt
360 ----------------------------------------------------------------*/
361 int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp)
362 {
363         int result = 0;
364         struct p80211msg_dot11req_scan_results *req;
365         hfa384x_t *hw = wlandev->priv;
366         hfa384x_HScanResultSub_t *item = NULL;
367
368         int count;
369
370         req = (struct p80211msg_dot11req_scan_results *) msgp;
371
372         req->resultcode.status = P80211ENUM_msgitem_status_data_ok;
373
374         if (!hw->scanresults) {
375                 printk(KERN_ERR
376                        "dot11req_scan_results can only be used after a successful dot11req_scan.\n");
377                 result = 2;
378                 req->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
379                 goto exit;
380         }
381
382         count = (hw->scanresults->framelen - 3) / 32;
383         if (count > HFA384x_SCANRESULT_MAX)
384                 count = HFA384x_SCANRESULT_MAX;
385
386         if (req->bssindex.data >= count) {
387                 pr_debug("requested index (%d) out of range (%d)\n",
388                          req->bssindex.data, count);
389                 result = 2;
390                 req->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
391                 goto exit;
392         }
393
394         item = &(hw->scanresults->info.hscanresult.result[req->bssindex.data]);
395         /* signal and noise */
396         req->signal.status = P80211ENUM_msgitem_status_data_ok;
397         req->noise.status = P80211ENUM_msgitem_status_data_ok;
398         req->signal.data = le16_to_cpu(item->sl);
399         req->noise.data = le16_to_cpu(item->anl);
400
401         /* BSSID */
402         req->bssid.status = P80211ENUM_msgitem_status_data_ok;
403         req->bssid.data.len = WLAN_BSSID_LEN;
404         memcpy(req->bssid.data.data, item->bssid, WLAN_BSSID_LEN);
405
406         /* SSID */
407         req->ssid.status = P80211ENUM_msgitem_status_data_ok;
408         req->ssid.data.len = le16_to_cpu(item->ssid.len);
409         req->ssid.data.len = min_t(u16, req->ssid.data.len, WLAN_SSID_MAXLEN);
410         memcpy(req->ssid.data.data, item->ssid.data, req->ssid.data.len);
411
412         /* supported rates */
413         for (count = 0; count < 10; count++)
414                 if (item->supprates[count] == 0)
415                         break;
416
417 #define REQBASICRATE(N) \
418         do { \
419                 if ((count >= N) && DOT11_RATE5_ISBASIC_GET( \
420                         item->supprates[(N)-1])) { \
421                         req->basicrate ## N .data = item->supprates[(N)-1]; \
422                         req->basicrate ## N .status = \
423                                 P80211ENUM_msgitem_status_data_ok; \
424                 } \
425         } while (0)
426
427         REQBASICRATE(1);
428         REQBASICRATE(2);
429         REQBASICRATE(3);
430         REQBASICRATE(4);
431         REQBASICRATE(5);
432         REQBASICRATE(6);
433         REQBASICRATE(7);
434         REQBASICRATE(8);
435
436 #define REQSUPPRATE(N) \
437         do { \
438                 if (count >= N) { \
439                         req->supprate ## N .data = item->supprates[(N)-1]; \
440                         req->supprate ## N .status = \
441                                 P80211ENUM_msgitem_status_data_ok; \
442                 } \
443         } while (0)
444
445         REQSUPPRATE(1);
446         REQSUPPRATE(2);
447         REQSUPPRATE(3);
448         REQSUPPRATE(4);
449         REQSUPPRATE(5);
450         REQSUPPRATE(6);
451         REQSUPPRATE(7);
452         REQSUPPRATE(8);
453
454         /* beacon period */
455         req->beaconperiod.status = P80211ENUM_msgitem_status_data_ok;
456         req->beaconperiod.data = le16_to_cpu(item->bcnint);
457
458         /* timestamps */
459         req->timestamp.status = P80211ENUM_msgitem_status_data_ok;
460         req->timestamp.data = jiffies;
461         req->localtime.status = P80211ENUM_msgitem_status_data_ok;
462         req->localtime.data = jiffies;
463
464         /* atim window */
465         req->ibssatimwindow.status = P80211ENUM_msgitem_status_data_ok;
466         req->ibssatimwindow.data = le16_to_cpu(item->atim);
467
468         /* Channel */
469         req->dschannel.status = P80211ENUM_msgitem_status_data_ok;
470         req->dschannel.data = le16_to_cpu(item->chid);
471
472         /* capinfo bits */
473         count = le16_to_cpu(item->capinfo);
474         req->capinfo.status = P80211ENUM_msgitem_status_data_ok;
475         req->capinfo.data = count;
476
477         /* privacy flag */
478         req->privacy.status = P80211ENUM_msgitem_status_data_ok;
479         req->privacy.data = WLAN_GET_MGMT_CAP_INFO_PRIVACY(count);
480
481         /* cfpollable */
482         req->cfpollable.status = P80211ENUM_msgitem_status_data_ok;
483         req->cfpollable.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLABLE(count);
484
485         /* cfpollreq */
486         req->cfpollreq.status = P80211ENUM_msgitem_status_data_ok;
487         req->cfpollreq.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLREQ(count);
488
489         /* bsstype */
490         req->bsstype.status = P80211ENUM_msgitem_status_data_ok;
491         req->bsstype.data = (WLAN_GET_MGMT_CAP_INFO_ESS(count)) ?
492             P80211ENUM_bsstype_infrastructure : P80211ENUM_bsstype_independent;
493
494         result = 0;
495         req->resultcode.data = P80211ENUM_resultcode_success;
496
497 exit:
498         return result;
499 }
500
501 /*----------------------------------------------------------------
502 * prism2mgmt_start
503 *
504 * Start a BSS.  Any station can do this for IBSS, only AP for ESS.
505 *
506 * Arguments:
507 *       wlandev         wlan device structure
508 *       msgp            ptr to msg buffer
509 *
510 * Returns:
511 *       0       success and done
512 *       <0      success, but we're waiting for something to finish.
513 *       >0      an error occurred while handling the message.
514 * Side effects:
515 *
516 * Call context:
517 *       process thread  (usually)
518 *       interrupt
519 ----------------------------------------------------------------*/
520 int prism2mgmt_start(wlandevice_t *wlandev, void *msgp)
521 {
522         int result = 0;
523         hfa384x_t *hw = wlandev->priv;
524         struct p80211msg_dot11req_start *msg = msgp;
525
526         p80211pstrd_t *pstr;
527         u8 bytebuf[80];
528         hfa384x_bytestr_t *p2bytestr = (hfa384x_bytestr_t *) bytebuf;
529         u16 word;
530
531         wlandev->macmode = WLAN_MACMODE_NONE;
532
533         /* Set the SSID */
534         memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data));
535
536         /*** ADHOC IBSS ***/
537         /* see if current f/w is less than 8c3 */
538         if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
539                                      hw->ident_sta_fw.minor,
540                                      hw->ident_sta_fw.variant) <
541             HFA384x_FIRMWARE_VERSION(0, 8, 3)) {
542                 /* Ad-Hoc not quite supported on Prism2 */
543                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
544                 msg->resultcode.data = P80211ENUM_resultcode_not_supported;
545                 goto done;
546         }
547
548         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
549
550         /*** STATION ***/
551         /* Set the REQUIRED config items */
552         /* SSID */
553         pstr = (p80211pstrd_t *) &(msg->ssid.data);
554         prism2mgmt_pstr2bytestr(p2bytestr, pstr);
555         result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFOWNSSID,
556                                         bytebuf, HFA384x_RID_CNFOWNSSID_LEN);
557         if (result) {
558                 printk(KERN_ERR "Failed to set CnfOwnSSID\n");
559                 goto failed;
560         }
561         result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID,
562                                         bytebuf,
563                                         HFA384x_RID_CNFDESIREDSSID_LEN);
564         if (result) {
565                 printk(KERN_ERR "Failed to set CnfDesiredSSID\n");
566                 goto failed;
567         }
568
569         /* bsstype - we use the default in the ap firmware */
570         /* IBSS port */
571         hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, 0);
572
573         /* beacon period */
574         word = msg->beaconperiod.data;
575         result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAPBCNint, word);
576         if (result) {
577                 printk(KERN_ERR "Failed to set beacon period=%d.\n", word);
578                 goto failed;
579         }
580
581         /* dschannel */
582         word = msg->dschannel.data;
583         result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFOWNCHANNEL, word);
584         if (result) {
585                 printk(KERN_ERR "Failed to set channel=%d.\n", word);
586                 goto failed;
587         }
588         /* Basic rates */
589         word = p80211rate_to_p2bit(msg->basicrate1.data);
590         if (msg->basicrate2.status == P80211ENUM_msgitem_status_data_ok)
591                 word |= p80211rate_to_p2bit(msg->basicrate2.data);
592
593         if (msg->basicrate3.status == P80211ENUM_msgitem_status_data_ok)
594                 word |= p80211rate_to_p2bit(msg->basicrate3.data);
595
596         if (msg->basicrate4.status == P80211ENUM_msgitem_status_data_ok)
597                 word |= p80211rate_to_p2bit(msg->basicrate4.data);
598
599         if (msg->basicrate5.status == P80211ENUM_msgitem_status_data_ok)
600                 word |= p80211rate_to_p2bit(msg->basicrate5.data);
601
602         if (msg->basicrate6.status == P80211ENUM_msgitem_status_data_ok)
603                 word |= p80211rate_to_p2bit(msg->basicrate6.data);
604
605         if (msg->basicrate7.status == P80211ENUM_msgitem_status_data_ok)
606                 word |= p80211rate_to_p2bit(msg->basicrate7.data);
607
608         if (msg->basicrate8.status == P80211ENUM_msgitem_status_data_ok)
609                 word |= p80211rate_to_p2bit(msg->basicrate8.data);
610
611         result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFBASICRATES, word);
612         if (result) {
613                 printk(KERN_ERR "Failed to set basicrates=%d.\n", word);
614                 goto failed;
615         }
616
617         /* Operational rates (supprates and txratecontrol) */
618         word = p80211rate_to_p2bit(msg->operationalrate1.data);
619         if (msg->operationalrate2.status == P80211ENUM_msgitem_status_data_ok)
620                 word |= p80211rate_to_p2bit(msg->operationalrate2.data);
621
622         if (msg->operationalrate3.status == P80211ENUM_msgitem_status_data_ok)
623                 word |= p80211rate_to_p2bit(msg->operationalrate3.data);
624
625         if (msg->operationalrate4.status == P80211ENUM_msgitem_status_data_ok)
626                 word |= p80211rate_to_p2bit(msg->operationalrate4.data);
627
628         if (msg->operationalrate5.status == P80211ENUM_msgitem_status_data_ok)
629                 word |= p80211rate_to_p2bit(msg->operationalrate5.data);
630
631         if (msg->operationalrate6.status == P80211ENUM_msgitem_status_data_ok)
632                 word |= p80211rate_to_p2bit(msg->operationalrate6.data);
633
634         if (msg->operationalrate7.status == P80211ENUM_msgitem_status_data_ok)
635                 word |= p80211rate_to_p2bit(msg->operationalrate7.data);
636
637         if (msg->operationalrate8.status == P80211ENUM_msgitem_status_data_ok)
638                 word |= p80211rate_to_p2bit(msg->operationalrate8.data);
639
640         result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFSUPPRATES, word);
641         if (result) {
642                 printk(KERN_ERR "Failed to set supprates=%d.\n", word);
643                 goto failed;
644         }
645
646         result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, word);
647         if (result) {
648                 printk(KERN_ERR "Failed to set txrates=%d.\n", word);
649                 goto failed;
650         }
651
652         /* Set the macmode so the frame setup code knows what to do */
653         if (msg->bsstype.data == P80211ENUM_bsstype_independent) {
654                 wlandev->macmode = WLAN_MACMODE_IBSS_STA;
655                 /* lets extend the data length a bit */
656                 hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN, 2304);
657         }
658
659         /* Enable the Port */
660         result = hfa384x_drvr_enable(hw, 0);
661         if (result) {
662                 printk(KERN_ERR "Enable macport failed, result=%d.\n", result);
663                 goto failed;
664         }
665
666         msg->resultcode.data = P80211ENUM_resultcode_success;
667
668         goto done;
669 failed:
670         pr_debug("Failed to set a config option, result=%d\n", result);
671         msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
672
673 done:
674         result = 0;
675
676         return result;
677 }
678
679 /*----------------------------------------------------------------
680 * prism2mgmt_readpda
681 *
682 * Collect the PDA data and put it in the message.
683 *
684 * Arguments:
685 *       wlandev         wlan device structure
686 *       msgp            ptr to msg buffer
687 *
688 * Returns:
689 *       0       success and done
690 *       <0      success, but we're waiting for something to finish.
691 *       >0      an error occurred while handling the message.
692 * Side effects:
693 *
694 * Call context:
695 *       process thread  (usually)
696 ----------------------------------------------------------------*/
697 int prism2mgmt_readpda(wlandevice_t *wlandev, void *msgp)
698 {
699         hfa384x_t *hw = wlandev->priv;
700         struct p80211msg_p2req_readpda *msg = msgp;
701         int result;
702
703         /* We only support collecting the PDA when in the FWLOAD
704          * state.
705          */
706         if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
707                 printk(KERN_ERR
708                        "PDA may only be read " "in the fwload state.\n");
709                 msg->resultcode.data =
710                     P80211ENUM_resultcode_implementation_failure;
711                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
712         } else {
713                 /*  Call drvr_readpda(), it handles the auxport enable
714                  *  and validating the returned PDA.
715                  */
716                 result = hfa384x_drvr_readpda(hw,
717                                               msg->pda.data,
718                                               HFA384x_PDA_LEN_MAX);
719                 if (result) {
720                         printk(KERN_ERR
721                                "hfa384x_drvr_readpda() failed, "
722                                "result=%d\n", result);
723
724                         msg->resultcode.data =
725                             P80211ENUM_resultcode_implementation_failure;
726                         msg->resultcode.status =
727                             P80211ENUM_msgitem_status_data_ok;
728                         return 0;
729                 }
730                 msg->pda.status = P80211ENUM_msgitem_status_data_ok;
731                 msg->resultcode.data = P80211ENUM_resultcode_success;
732                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
733         }
734
735         return 0;
736 }
737
738 /*----------------------------------------------------------------
739 * prism2mgmt_ramdl_state
740 *
741 * Establishes the beginning/end of a card RAM download session.
742 *
743 * It is expected that the ramdl_write() function will be called
744 * one or more times between the 'enable' and 'disable' calls to
745 * this function.
746 *
747 * Note: This function should not be called when a mac comm port
748 *       is active.
749 *
750 * Arguments:
751 *       wlandev         wlan device structure
752 *       msgp            ptr to msg buffer
753 *
754 * Returns:
755 *       0       success and done
756 *       <0      success, but we're waiting for something to finish.
757 *       >0      an error occurred while handling the message.
758 * Side effects:
759 *
760 * Call context:
761 *       process thread  (usually)
762 ----------------------------------------------------------------*/
763 int prism2mgmt_ramdl_state(wlandevice_t *wlandev, void *msgp)
764 {
765         hfa384x_t *hw = wlandev->priv;
766         struct p80211msg_p2req_ramdl_state *msg = msgp;
767
768         if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
769                 printk(KERN_ERR
770                        "ramdl_state(): may only be called "
771                        "in the fwload state.\n");
772                 msg->resultcode.data =
773                     P80211ENUM_resultcode_implementation_failure;
774                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
775                 return 0;
776         }
777
778         /*
779          ** Note: Interrupts are locked out if this is an AP and are NOT
780          ** locked out if this is a station.
781          */
782
783         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
784         if (msg->enable.data == P80211ENUM_truth_true) {
785                 if (hfa384x_drvr_ramdl_enable(hw, msg->exeaddr.data)) {
786                         msg->resultcode.data =
787                             P80211ENUM_resultcode_implementation_failure;
788                 } else {
789                         msg->resultcode.data = P80211ENUM_resultcode_success;
790                 }
791         } else {
792                 hfa384x_drvr_ramdl_disable(hw);
793                 msg->resultcode.data = P80211ENUM_resultcode_success;
794         }
795
796         return 0;
797 }
798
799 /*----------------------------------------------------------------
800 * prism2mgmt_ramdl_write
801 *
802 * Writes a buffer to the card RAM using the download state.  This
803 * is for writing code to card RAM.  To just read or write raw data
804 * use the aux functions.
805 *
806 * Arguments:
807 *       wlandev         wlan device structure
808 *       msgp            ptr to msg buffer
809 *
810 * Returns:
811 *       0       success and done
812 *       <0      success, but we're waiting for something to finish.
813 *       >0      an error occurred while handling the message.
814 * Side effects:
815 *
816 * Call context:
817 *       process thread  (usually)
818 ----------------------------------------------------------------*/
819 int prism2mgmt_ramdl_write(wlandevice_t *wlandev, void *msgp)
820 {
821         hfa384x_t *hw = wlandev->priv;
822         struct p80211msg_p2req_ramdl_write *msg = msgp;
823         u32 addr;
824         u32 len;
825         u8 *buf;
826
827         if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
828                 printk(KERN_ERR
829                        "ramdl_write(): may only be called "
830                        "in the fwload state.\n");
831                 msg->resultcode.data =
832                     P80211ENUM_resultcode_implementation_failure;
833                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
834                 return 0;
835         }
836
837         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
838         /* first validate the length */
839         if (msg->len.data > sizeof(msg->data.data)) {
840                 msg->resultcode.status =
841                     P80211ENUM_resultcode_invalid_parameters;
842                 return 0;
843         }
844         /* call the hfa384x function to do the write */
845         addr = msg->addr.data;
846         len = msg->len.data;
847         buf = msg->data.data;
848         if (hfa384x_drvr_ramdl_write(hw, addr, buf, len))
849                 msg->resultcode.data = P80211ENUM_resultcode_refused;
850
851         msg->resultcode.data = P80211ENUM_resultcode_success;
852
853         return 0;
854 }
855
856 /*----------------------------------------------------------------
857 * prism2mgmt_flashdl_state
858 *
859 * Establishes the beginning/end of a card Flash download session.
860 *
861 * It is expected that the flashdl_write() function will be called
862 * one or more times between the 'enable' and 'disable' calls to
863 * this function.
864 *
865 * Note: This function should not be called when a mac comm port
866 *       is active.
867 *
868 * Arguments:
869 *       wlandev         wlan device structure
870 *       msgp            ptr to msg buffer
871 *
872 * Returns:
873 *       0       success and done
874 *       <0      success, but we're waiting for something to finish.
875 *       >0      an error occurred while handling the message.
876 * Side effects:
877 *
878 * Call context:
879 *       process thread  (usually)
880 ----------------------------------------------------------------*/
881 int prism2mgmt_flashdl_state(wlandevice_t *wlandev, void *msgp)
882 {
883         int result = 0;
884         hfa384x_t *hw = wlandev->priv;
885         struct p80211msg_p2req_flashdl_state *msg = msgp;
886
887         if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
888                 printk(KERN_ERR
889                        "flashdl_state(): may only be called "
890                        "in the fwload state.\n");
891                 msg->resultcode.data =
892                     P80211ENUM_resultcode_implementation_failure;
893                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
894                 return 0;
895         }
896
897         /*
898          ** Note: Interrupts are locked out if this is an AP and are NOT
899          ** locked out if this is a station.
900          */
901
902         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
903         if (msg->enable.data == P80211ENUM_truth_true) {
904                 if (hfa384x_drvr_flashdl_enable(hw)) {
905                         msg->resultcode.data =
906                             P80211ENUM_resultcode_implementation_failure;
907                 } else {
908                         msg->resultcode.data = P80211ENUM_resultcode_success;
909                 }
910         } else {
911                 hfa384x_drvr_flashdl_disable(hw);
912                 msg->resultcode.data = P80211ENUM_resultcode_success;
913                 /* NOTE: At this point, the MAC is in the post-reset
914                  * state and the driver is in the fwload state.
915                  * We need to get the MAC back into the fwload
916                  * state.  To do this, we set the nsdstate to HWPRESENT
917                  * and then call the ifstate function to redo everything
918                  * that got us into the fwload state.
919                  */
920                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
921                 result = prism2sta_ifstate(wlandev, P80211ENUM_ifstate_fwload);
922                 if (result != P80211ENUM_resultcode_success) {
923                         printk(KERN_ERR "prism2sta_ifstate(fwload) failed,"
924                                "P80211ENUM_resultcode=%d\n", result);
925                         msg->resultcode.data =
926                             P80211ENUM_resultcode_implementation_failure;
927                         result = -1;
928                 }
929         }
930
931         return 0;
932 }
933
934 /*----------------------------------------------------------------
935 * prism2mgmt_flashdl_write
936 *
937 *
938 *
939 * Arguments:
940 *       wlandev         wlan device structure
941 *       msgp            ptr to msg buffer
942 *
943 * Returns:
944 *       0       success and done
945 *       <0      success, but we're waiting for something to finish.
946 *       >0      an error occurred while handling the message.
947 * Side effects:
948 *
949 * Call context:
950 *       process thread  (usually)
951 ----------------------------------------------------------------*/
952 int prism2mgmt_flashdl_write(wlandevice_t *wlandev, void *msgp)
953 {
954         hfa384x_t *hw = wlandev->priv;
955         struct p80211msg_p2req_flashdl_write *msg = msgp;
956         u32 addr;
957         u32 len;
958         u8 *buf;
959
960         if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
961                 printk(KERN_ERR
962                        "flashdl_write(): may only be called "
963                        "in the fwload state.\n");
964                 msg->resultcode.data =
965                     P80211ENUM_resultcode_implementation_failure;
966                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
967                 return 0;
968         }
969
970         /*
971          ** Note: Interrupts are locked out if this is an AP and are NOT
972          ** locked out if this is a station.
973          */
974
975         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
976         /* first validate the length */
977         if (msg->len.data > sizeof(msg->data.data)) {
978                 msg->resultcode.status =
979                     P80211ENUM_resultcode_invalid_parameters;
980                 return 0;
981         }
982         /* call the hfa384x function to do the write */
983         addr = msg->addr.data;
984         len = msg->len.data;
985         buf = msg->data.data;
986         if (hfa384x_drvr_flashdl_write(hw, addr, buf, len))
987                 msg->resultcode.data = P80211ENUM_resultcode_refused;
988
989         msg->resultcode.data = P80211ENUM_resultcode_success;
990
991         return 0;
992 }
993
994 /*----------------------------------------------------------------
995 * prism2mgmt_autojoin
996 *
997 * Associate with an ESS.
998 *
999 * Arguments:
1000 *       wlandev         wlan device structure
1001 *       msgp            ptr to msg buffer
1002 *
1003 * Returns:
1004 *       0       success and done
1005 *       <0      success, but we're waiting for something to finish.
1006 *       >0      an error occurred while handling the message.
1007 * Side effects:
1008 *
1009 * Call context:
1010 *       process thread  (usually)
1011 *       interrupt
1012 ----------------------------------------------------------------*/
1013 int prism2mgmt_autojoin(wlandevice_t *wlandev, void *msgp)
1014 {
1015         hfa384x_t *hw = wlandev->priv;
1016         int result = 0;
1017         u16 reg;
1018         u16 port_type;
1019         struct p80211msg_lnxreq_autojoin *msg = msgp;
1020         p80211pstrd_t *pstr;
1021         u8 bytebuf[256];
1022         hfa384x_bytestr_t *p2bytestr = (hfa384x_bytestr_t *) bytebuf;
1023
1024         wlandev->macmode = WLAN_MACMODE_NONE;
1025
1026         /* Set the SSID */
1027         memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data));
1028
1029         /* Disable the Port */
1030         hfa384x_drvr_disable(hw, 0);
1031
1032         /*** STATION ***/
1033         /* Set the TxRates */
1034         hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, 0x000f);
1035
1036         /* Set the auth type */
1037         if (msg->authtype.data == P80211ENUM_authalg_sharedkey)
1038                 reg = HFA384x_CNFAUTHENTICATION_SHAREDKEY;
1039         else
1040                 reg = HFA384x_CNFAUTHENTICATION_OPENSYSTEM;
1041
1042         hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAUTHENTICATION, reg);
1043
1044         /* Set the ssid */
1045         memset(bytebuf, 0, 256);
1046         pstr = (p80211pstrd_t *) &(msg->ssid.data);
1047         prism2mgmt_pstr2bytestr(p2bytestr, pstr);
1048         result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID,
1049                                         bytebuf,
1050                                         HFA384x_RID_CNFDESIREDSSID_LEN);
1051         port_type = HFA384x_PORTTYPE_BSS;
1052         /* Set the PortType */
1053         hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, port_type);
1054
1055         /* Enable the Port */
1056         hfa384x_drvr_enable(hw, 0);
1057
1058         /* Set the resultcode */
1059         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
1060         msg->resultcode.data = P80211ENUM_resultcode_success;
1061
1062         return result;
1063 }
1064
1065 /*----------------------------------------------------------------
1066 * prism2mgmt_wlansniff
1067 *
1068 * Start or stop sniffing.
1069 *
1070 * Arguments:
1071 *       wlandev         wlan device structure
1072 *       msgp            ptr to msg buffer
1073 *
1074 * Returns:
1075 *       0       success and done
1076 *       <0      success, but we're waiting for something to finish.
1077 *       >0      an error occurred while handling the message.
1078 * Side effects:
1079 *
1080 * Call context:
1081 *       process thread  (usually)
1082 *       interrupt
1083 ----------------------------------------------------------------*/
1084 int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp)
1085 {
1086         int result = 0;
1087         struct p80211msg_lnxreq_wlansniff *msg = msgp;
1088
1089         hfa384x_t *hw = wlandev->priv;
1090         u16 word;
1091
1092         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
1093         switch (msg->enable.data) {
1094         case P80211ENUM_truth_false:
1095                 /* Confirm that we're in monitor mode */
1096                 if (wlandev->netdev->type == ARPHRD_ETHER) {
1097                         msg->resultcode.data =
1098                             P80211ENUM_resultcode_invalid_parameters;
1099                         result = 0;
1100                         goto exit;
1101                 }
1102                 /* Disable monitor mode */
1103                 result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_DISABLE);
1104                 if (result) {
1105                         pr_debug("failed to disable monitor mode, result=%d\n",
1106                                  result);
1107                         goto failed;
1108                 }
1109                 /* Disable port 0 */
1110                 result = hfa384x_drvr_disable(hw, 0);
1111                 if (result) {
1112                         pr_debug
1113                         ("failed to disable port 0 after sniffing, result=%d\n",
1114                              result);
1115                         goto failed;
1116                 }
1117                 /* Clear the driver state */
1118                 wlandev->netdev->type = ARPHRD_ETHER;
1119
1120                 /* Restore the wepflags */
1121                 result = hfa384x_drvr_setconfig16(hw,
1122                                                   HFA384x_RID_CNFWEPFLAGS,
1123                                                   hw->presniff_wepflags);
1124                 if (result) {
1125                         pr_debug
1126                             ("failed to restore wepflags=0x%04x, result=%d\n",
1127                              hw->presniff_wepflags, result);
1128                         goto failed;
1129                 }
1130
1131                 /* Set the port to its prior type and enable (if necessary) */
1132                 if (hw->presniff_port_type != 0) {
1133                         word = hw->presniff_port_type;
1134                         result = hfa384x_drvr_setconfig16(hw,
1135                                                   HFA384x_RID_CNFPORTTYPE,
1136                                                   word);
1137                         if (result) {
1138                                 pr_debug
1139                                     ("failed to restore porttype, result=%d\n",
1140                                      result);
1141                                 goto failed;
1142                         }
1143
1144                         /* Enable the port */
1145                         result = hfa384x_drvr_enable(hw, 0);
1146                         if (result) {
1147                                 pr_debug("failed to enable port to presniff setting, result=%d\n",
1148                                          result);
1149                                 goto failed;
1150                         }
1151                 } else {
1152                         result = hfa384x_drvr_disable(hw, 0);
1153
1154                 }
1155
1156                 printk(KERN_INFO "monitor mode disabled\n");
1157                 msg->resultcode.data = P80211ENUM_resultcode_success;
1158                 result = 0;
1159                 goto exit;
1160                 break;
1161         case P80211ENUM_truth_true:
1162                 /* Disable the port (if enabled), only check Port 0 */
1163                 if (hw->port_enabled[0]) {
1164                         if (wlandev->netdev->type == ARPHRD_ETHER) {
1165                                 /* Save macport 0 state */
1166                                 result = hfa384x_drvr_getconfig16(hw,
1167                                                   HFA384x_RID_CNFPORTTYPE,
1168                                                   &(hw->presniff_port_type));
1169                                 if (result) {
1170                                         pr_debug
1171                                         ("failed to read porttype, result=%d\n",
1172                                              result);
1173                                         goto failed;
1174                                 }
1175                                 /* Save the wepflags state */
1176                                 result = hfa384x_drvr_getconfig16(hw,
1177                                                   HFA384x_RID_CNFWEPFLAGS,
1178                                                   &(hw->presniff_wepflags));
1179                                 if (result) {
1180                                         pr_debug
1181                                         ("failed to read wepflags, result=%d\n",
1182                                              result);
1183                                         goto failed;
1184                                 }
1185                                 hfa384x_drvr_stop(hw);
1186                                 result = hfa384x_drvr_start(hw);
1187                                 if (result) {
1188                                         pr_debug("failed to restart the card for sniffing, result=%d\n",
1189                                                  result);
1190                                         goto failed;
1191                                 }
1192                         } else {
1193                                 /* Disable the port */
1194                                 result = hfa384x_drvr_disable(hw, 0);
1195                                 if (result) {
1196                                         pr_debug("failed to enable port for sniffing, result=%d\n",
1197                                                  result);
1198                                         goto failed;
1199                                 }
1200                         }
1201                 } else {
1202                         hw->presniff_port_type = 0;
1203                 }
1204
1205                 /* Set the channel we wish to sniff  */
1206                 word = msg->channel.data;
1207                 result = hfa384x_drvr_setconfig16(hw,
1208                                                   HFA384x_RID_CNFOWNCHANNEL,
1209                                                   word);
1210                 hw->sniff_channel = word;
1211
1212                 if (result) {
1213                         pr_debug("failed to set channel %d, result=%d\n",
1214                                  word, result);
1215                         goto failed;
1216                 }
1217
1218                 /* Now if we're already sniffing, we can skip the rest */
1219                 if (wlandev->netdev->type != ARPHRD_ETHER) {
1220                         /* Set the port type to pIbss */
1221                         word = HFA384x_PORTTYPE_PSUEDOIBSS;
1222                         result = hfa384x_drvr_setconfig16(hw,
1223                                                   HFA384x_RID_CNFPORTTYPE,
1224                                                   word);
1225                         if (result) {
1226                                 pr_debug
1227                                     ("failed to set porttype %d, result=%d\n",
1228                                      word, result);
1229                                 goto failed;
1230                         }
1231                         if ((msg->keepwepflags.status ==
1232                              P80211ENUM_msgitem_status_data_ok)
1233                             && (msg->keepwepflags.data !=
1234                                 P80211ENUM_truth_true)) {
1235                                 /* Set the wepflags for no decryption */
1236                                 word = HFA384x_WEPFLAGS_DISABLE_TXCRYPT |
1237                                     HFA384x_WEPFLAGS_DISABLE_RXCRYPT;
1238                                 result =
1239                                     hfa384x_drvr_setconfig16(hw,
1240                                                      HFA384x_RID_CNFWEPFLAGS,
1241                                                      word);
1242                         }
1243
1244                         if (result) {
1245                                 pr_debug
1246                                   ("failed to set wepflags=0x%04x, result=%d\n",
1247                                    word, result);
1248                                 goto failed;
1249                         }
1250                 }
1251
1252                 /* Do we want to strip the FCS in monitor mode? */
1253                 if ((msg->stripfcs.status == P80211ENUM_msgitem_status_data_ok)
1254                     && (msg->stripfcs.data == P80211ENUM_truth_true)) {
1255                         hw->sniff_fcs = 0;
1256                 } else {
1257                         hw->sniff_fcs = 1;
1258                 }
1259
1260                 /* Do we want to truncate the packets? */
1261                 if (msg->packet_trunc.status ==
1262                     P80211ENUM_msgitem_status_data_ok) {
1263                         hw->sniff_truncate = msg->packet_trunc.data;
1264                 } else {
1265                         hw->sniff_truncate = 0;
1266                 }
1267
1268                 /* Enable the port */
1269                 result = hfa384x_drvr_enable(hw, 0);
1270                 if (result) {
1271                         pr_debug
1272                             ("failed to enable port for sniffing, result=%d\n",
1273                              result);
1274                         goto failed;
1275                 }
1276                 /* Enable monitor mode */
1277                 result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_ENABLE);
1278                 if (result) {
1279                         pr_debug("failed to enable monitor mode, result=%d\n",
1280                                  result);
1281                         goto failed;
1282                 }
1283
1284                 if (wlandev->netdev->type == ARPHRD_ETHER)
1285                         printk(KERN_INFO "monitor mode enabled\n");
1286
1287                 /* Set the driver state */
1288                 /* Do we want the prism2 header? */
1289                 if ((msg->prismheader.status ==
1290                      P80211ENUM_msgitem_status_data_ok)
1291                     && (msg->prismheader.data == P80211ENUM_truth_true)) {
1292                         hw->sniffhdr = 0;
1293                         wlandev->netdev->type = ARPHRD_IEEE80211_PRISM;
1294                 } else
1295                     if ((msg->wlanheader.status ==
1296                          P80211ENUM_msgitem_status_data_ok)
1297                         && (msg->wlanheader.data == P80211ENUM_truth_true)) {
1298                         hw->sniffhdr = 1;
1299                         wlandev->netdev->type = ARPHRD_IEEE80211_PRISM;
1300                 } else {
1301                         wlandev->netdev->type = ARPHRD_IEEE80211;
1302                 }
1303
1304                 msg->resultcode.data = P80211ENUM_resultcode_success;
1305                 result = 0;
1306                 goto exit;
1307                 break;
1308         default:
1309                 msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
1310                 result = 0;
1311                 goto exit;
1312                 break;
1313         }
1314
1315 failed:
1316         msg->resultcode.data = P80211ENUM_resultcode_refused;
1317         result = 0;
1318 exit:
1319         return result;
1320 }