1 /* src/prism2/driver/prism2mgmt.c
3 * Management request handler functions.
5 * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
6 * --------------------------------------------------------------------
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/
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.
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.
31 * --------------------------------------------------------------------
33 * Inquiries regarding the linux-wlan Open Source project can be
36 * AbsoluteValue Systems Inc.
38 * http://www.linux-wlan.com
40 * --------------------------------------------------------------------
42 * Portions of the development of this software were funded by
43 * Intersil Corporation as part of PRISM(R) chipset product development.
45 * --------------------------------------------------------------------
47 * The functions in this file handle management requests sent from
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.
57 * --------------------------------------------------------------------
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>
70 #include <asm/byteorder.h>
71 #include <linux/random.h>
72 #include <linux/usb.h>
73 #include <linux/bitops.h>
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"
84 #include "prism2mgmt.h"
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)
92 /*----------------------------------------------------------------
95 * Initiate a scan for BSSs.
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.
103 * wlandev wlan device structure
104 * msgp ptr to msg buffer
108 * <0 success, but we're waiting for something to finish.
109 * >0 an error occurred while handling the message.
113 * process thread (usually)
115 ----------------------------------------------------------------*/
116 int prism2mgmt_scan(wlandevice_t *wlandev, void *msgp)
119 hfa384x_t *hw = wlandev->priv;
120 struct p80211msg_dot11req_scan *msg = msgp;
121 u16 roamingmode, word;
125 hfa384x_HostScanRequest_data_t scanreq;
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)) {
133 "HostScan not supported with current firmware (<1.3.2).\n");
135 msg->resultcode.data = P80211ENUM_resultcode_not_supported;
139 memset(&scanreq, 0, sizeof(scanreq));
141 /* save current roaming mode */
142 result = hfa384x_drvr_getconfig16(hw,
143 HFA384x_RID_CNFROAMINGMODE,
146 printk(KERN_ERR "getconfig(ROAMMODE) failed. result=%d\n",
148 msg->resultcode.data =
149 P80211ENUM_resultcode_implementation_failure;
153 /* drop into mode 3 for the scan */
154 result = hfa384x_drvr_setconfig16(hw,
155 HFA384x_RID_CNFROAMINGMODE,
156 HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM);
158 printk(KERN_ERR "setconfig(ROAMINGMODE) failed. result=%d\n",
160 msg->resultcode.data =
161 P80211ENUM_resultcode_implementation_failure;
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);
176 hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPASSIVESCANCTRL,
179 printk(KERN_WARNING "Passive scan not supported with "
180 "current firmware. (<1.5.1)\n");
184 /* set up the txrate to be 2MBPS. Should be fastest basicrate... */
185 word = HFA384x_RATEBIT_2;
186 scanreq.txRate = cpu_to_le16(word);
188 /* set up the channel list */
190 for (i = 0; i < msg->channellist.data.len; i++) {
191 u8 channel = msg->channellist.data.data[i];
194 /* channel 1 is BIT 0 ... channel 14 is BIT 13 */
195 word |= (1 << (channel - 1));
197 scanreq.channelList = cpu_to_le16(word);
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);
203 /* Enable the MAC port if it's not already enabled */
204 result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_PORTSTATUS, &word);
206 printk(KERN_ERR "getconfig(PORTSTATUS) failed. "
207 "result=%d\n", result);
208 msg->resultcode.data =
209 P80211ENUM_resultcode_implementation_failure;
212 if (word == HFA384x_PORTSTATUS_DISABLED) {
215 result = hfa384x_drvr_setconfig16(hw,
216 HFA384x_RID_CNFROAMINGMODE,
217 HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM);
220 "setconfig(ROAMINGMODE) failed. result=%d\n",
222 msg->resultcode.data =
223 P80211ENUM_resultcode_implementation_failure;
226 /* Construct a bogus SSID and assign it to OwnSSID and
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,
233 HFA384x_RID_CNFOWNSSID_LEN);
235 printk(KERN_ERR "Failed to set OwnSSID.\n");
236 msg->resultcode.data =
237 P80211ENUM_resultcode_implementation_failure;
240 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID,
242 HFA384x_RID_CNFDESIREDSSID_LEN);
244 printk(KERN_ERR "Failed to set DesiredSSID.\n");
245 msg->resultcode.data =
246 P80211ENUM_resultcode_implementation_failure;
250 result = hfa384x_drvr_setconfig16(hw,
251 HFA384x_RID_CNFPORTTYPE,
252 HFA384x_PORTTYPE_IBSS);
254 printk(KERN_ERR "Failed to set CNFPORTTYPE.\n");
255 msg->resultcode.data =
256 P80211ENUM_resultcode_implementation_failure;
260 result = hfa384x_drvr_setconfig16(hw,
261 HFA384x_RID_CREATEIBSS,
262 HFA384x_CREATEIBSS_JOINCREATEIBSS);
264 printk(KERN_ERR "Failed to set CREATEIBSS.\n");
265 msg->resultcode.data =
266 P80211ENUM_resultcode_implementation_failure;
269 result = hfa384x_drvr_enable(hw, 0);
271 printk(KERN_ERR "drvr_enable(0) failed. "
272 "result=%d\n", result);
273 msg->resultcode.data =
274 P80211ENUM_resultcode_implementation_failure;
280 /* Figure out our timeout first Kus, then HZ */
281 timeout = msg->channellist.data.len * msg->maxchanneltime.data;
282 timeout = (timeout * HZ) / 1000;
284 /* Issue the scan request */
287 result = hfa384x_drvr_setconfig(hw,
288 HFA384x_RID_HOSTSCAN, &scanreq,
289 sizeof(hfa384x_HostScanRequest_data_t));
291 printk(KERN_ERR "setconfig(SCANREQUEST) failed. result=%d\n",
293 msg->resultcode.data =
294 P80211ENUM_resultcode_implementation_failure;
298 /* sleep until info frame arrives */
299 wait_event_interruptible_timeout(hw->cmdq, hw->scanflag, timeout);
301 msg->numbss.status = P80211ENUM_msgitem_status_data_ok;
302 if (hw->scanflag == -1)
305 msg->numbss.data = hw->scanflag;
309 /* Disable port if we temporarily enabled it. */
311 result = hfa384x_drvr_disable(hw, 0);
313 printk(KERN_ERR "drvr_disable(0) failed. "
314 "result=%d\n", result);
315 msg->resultcode.data =
316 P80211ENUM_resultcode_implementation_failure;
321 /* restore original roaming mode */
322 result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFROAMINGMODE,
325 printk(KERN_ERR "setconfig(ROAMMODE) failed. result=%d\n",
327 msg->resultcode.data =
328 P80211ENUM_resultcode_implementation_failure;
333 msg->resultcode.data = P80211ENUM_resultcode_success;
336 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
341 /*----------------------------------------------------------------
342 * prism2mgmt_scan_results
344 * Retrieve the BSS description for one of the BSSs identified in
348 * wlandev wlan device structure
349 * msgp ptr to msg buffer
353 * <0 success, but we're waiting for something to finish.
354 * >0 an error occurred while handling the message.
358 * process thread (usually)
360 ----------------------------------------------------------------*/
361 int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp)
364 struct p80211msg_dot11req_scan_results *req;
365 hfa384x_t *hw = wlandev->priv;
366 hfa384x_HScanResultSub_t *item = NULL;
370 req = (struct p80211msg_dot11req_scan_results *) msgp;
372 req->resultcode.status = P80211ENUM_msgitem_status_data_ok;
374 if (!hw->scanresults) {
376 "dot11req_scan_results can only be used after a successful dot11req_scan.\n");
378 req->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
382 count = (hw->scanresults->framelen - 3) / 32;
383 if (count > HFA384x_SCANRESULT_MAX)
384 count = HFA384x_SCANRESULT_MAX;
386 if (req->bssindex.data >= count) {
387 pr_debug("requested index (%d) out of range (%d)\n",
388 req->bssindex.data, count);
390 req->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
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);
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);
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_BSSID_LEN);
410 memcpy(req->ssid.data.data, item->ssid.data, req->ssid.data.len);
412 /* supported rates */
413 for (count = 0; count < 10; count++)
414 if (item->supprates[count] == 0)
417 #define REQBASICRATE(N) \
418 if ((count >= N) && DOT11_RATE5_ISBASIC_GET(item->supprates[(N)-1])) { \
419 req->basicrate ## N .data = item->supprates[(N)-1]; \
420 req->basicrate ## N .status = \
421 P80211ENUM_msgitem_status_data_ok; \
433 #define REQSUPPRATE(N) \
435 req->supprate ## N .data = item->supprates[(N)-1]; \
436 req->supprate ## N .status = \
437 P80211ENUM_msgitem_status_data_ok; \
450 req->beaconperiod.status = P80211ENUM_msgitem_status_data_ok;
451 req->beaconperiod.data = le16_to_cpu(item->bcnint);
454 req->timestamp.status = P80211ENUM_msgitem_status_data_ok;
455 req->timestamp.data = jiffies;
456 req->localtime.status = P80211ENUM_msgitem_status_data_ok;
457 req->localtime.data = jiffies;
460 req->ibssatimwindow.status = P80211ENUM_msgitem_status_data_ok;
461 req->ibssatimwindow.data = le16_to_cpu(item->atim);
464 req->dschannel.status = P80211ENUM_msgitem_status_data_ok;
465 req->dschannel.data = le16_to_cpu(item->chid);
468 count = le16_to_cpu(item->capinfo);
469 req->capinfo.status = P80211ENUM_msgitem_status_data_ok;
470 req->capinfo.data = count;
473 req->privacy.status = P80211ENUM_msgitem_status_data_ok;
474 req->privacy.data = WLAN_GET_MGMT_CAP_INFO_PRIVACY(count);
477 req->cfpollable.status = P80211ENUM_msgitem_status_data_ok;
478 req->cfpollable.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLABLE(count);
481 req->cfpollreq.status = P80211ENUM_msgitem_status_data_ok;
482 req->cfpollreq.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLREQ(count);
485 req->bsstype.status = P80211ENUM_msgitem_status_data_ok;
486 req->bsstype.data = (WLAN_GET_MGMT_CAP_INFO_ESS(count)) ?
487 P80211ENUM_bsstype_infrastructure : P80211ENUM_bsstype_independent;
490 req->resultcode.data = P80211ENUM_resultcode_success;
496 /*----------------------------------------------------------------
499 * Start a BSS. Any station can do this for IBSS, only AP for ESS.
502 * wlandev wlan device structure
503 * msgp ptr to msg buffer
507 * <0 success, but we're waiting for something to finish.
508 * >0 an error occurred while handling the message.
512 * process thread (usually)
514 ----------------------------------------------------------------*/
515 int prism2mgmt_start(wlandevice_t *wlandev, void *msgp)
518 hfa384x_t *hw = wlandev->priv;
519 struct p80211msg_dot11req_start *msg = msgp;
523 hfa384x_bytestr_t *p2bytestr = (hfa384x_bytestr_t *) bytebuf;
526 wlandev->macmode = WLAN_MACMODE_NONE;
529 memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data));
532 /* see if current f/w is less than 8c3 */
533 if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
534 hw->ident_sta_fw.minor,
535 hw->ident_sta_fw.variant) <
536 HFA384x_FIRMWARE_VERSION(0, 8, 3)) {
537 /* Ad-Hoc not quite supported on Prism2 */
538 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
539 msg->resultcode.data = P80211ENUM_resultcode_not_supported;
543 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
546 /* Set the REQUIRED config items */
548 pstr = (p80211pstrd_t *) &(msg->ssid.data);
549 prism2mgmt_pstr2bytestr(p2bytestr, pstr);
550 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFOWNSSID,
551 bytebuf, HFA384x_RID_CNFOWNSSID_LEN);
553 printk(KERN_ERR "Failed to set CnfOwnSSID\n");
556 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID,
558 HFA384x_RID_CNFDESIREDSSID_LEN);
560 printk(KERN_ERR "Failed to set CnfDesiredSSID\n");
564 /* bsstype - we use the default in the ap firmware */
566 hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, 0);
569 word = msg->beaconperiod.data;
570 result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAPBCNint, word);
572 printk(KERN_ERR "Failed to set beacon period=%d.\n", word);
577 word = msg->dschannel.data;
578 result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFOWNCHANNEL, word);
580 printk(KERN_ERR "Failed to set channel=%d.\n", word);
584 word = p80211rate_to_p2bit(msg->basicrate1.data);
585 if (msg->basicrate2.status == P80211ENUM_msgitem_status_data_ok)
586 word |= p80211rate_to_p2bit(msg->basicrate2.data);
588 if (msg->basicrate3.status == P80211ENUM_msgitem_status_data_ok)
589 word |= p80211rate_to_p2bit(msg->basicrate3.data);
591 if (msg->basicrate4.status == P80211ENUM_msgitem_status_data_ok)
592 word |= p80211rate_to_p2bit(msg->basicrate4.data);
594 if (msg->basicrate5.status == P80211ENUM_msgitem_status_data_ok)
595 word |= p80211rate_to_p2bit(msg->basicrate5.data);
597 if (msg->basicrate6.status == P80211ENUM_msgitem_status_data_ok)
598 word |= p80211rate_to_p2bit(msg->basicrate6.data);
600 if (msg->basicrate7.status == P80211ENUM_msgitem_status_data_ok)
601 word |= p80211rate_to_p2bit(msg->basicrate7.data);
603 if (msg->basicrate8.status == P80211ENUM_msgitem_status_data_ok)
604 word |= p80211rate_to_p2bit(msg->basicrate8.data);
606 result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFBASICRATES, word);
608 printk(KERN_ERR "Failed to set basicrates=%d.\n", word);
612 /* Operational rates (supprates and txratecontrol) */
613 word = p80211rate_to_p2bit(msg->operationalrate1.data);
614 if (msg->operationalrate2.status == P80211ENUM_msgitem_status_data_ok)
615 word |= p80211rate_to_p2bit(msg->operationalrate2.data);
617 if (msg->operationalrate3.status == P80211ENUM_msgitem_status_data_ok)
618 word |= p80211rate_to_p2bit(msg->operationalrate3.data);
620 if (msg->operationalrate4.status == P80211ENUM_msgitem_status_data_ok)
621 word |= p80211rate_to_p2bit(msg->operationalrate4.data);
623 if (msg->operationalrate5.status == P80211ENUM_msgitem_status_data_ok)
624 word |= p80211rate_to_p2bit(msg->operationalrate5.data);
626 if (msg->operationalrate6.status == P80211ENUM_msgitem_status_data_ok)
627 word |= p80211rate_to_p2bit(msg->operationalrate6.data);
629 if (msg->operationalrate7.status == P80211ENUM_msgitem_status_data_ok)
630 word |= p80211rate_to_p2bit(msg->operationalrate7.data);
632 if (msg->operationalrate8.status == P80211ENUM_msgitem_status_data_ok)
633 word |= p80211rate_to_p2bit(msg->operationalrate8.data);
635 result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFSUPPRATES, word);
637 printk(KERN_ERR "Failed to set supprates=%d.\n", word);
641 result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, word);
643 printk(KERN_ERR "Failed to set txrates=%d.\n", word);
647 /* Set the macmode so the frame setup code knows what to do */
648 if (msg->bsstype.data == P80211ENUM_bsstype_independent) {
649 wlandev->macmode = WLAN_MACMODE_IBSS_STA;
650 /* lets extend the data length a bit */
651 hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN, 2304);
654 /* Enable the Port */
655 result = hfa384x_drvr_enable(hw, 0);
657 printk(KERN_ERR "Enable macport failed, result=%d.\n", result);
661 msg->resultcode.data = P80211ENUM_resultcode_success;
665 pr_debug("Failed to set a config option, result=%d\n", result);
666 msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
674 /*----------------------------------------------------------------
677 * Collect the PDA data and put it in the message.
680 * wlandev wlan device structure
681 * msgp ptr to msg buffer
685 * <0 success, but we're waiting for something to finish.
686 * >0 an error occurred while handling the message.
690 * process thread (usually)
691 ----------------------------------------------------------------*/
692 int prism2mgmt_readpda(wlandevice_t *wlandev, void *msgp)
694 hfa384x_t *hw = wlandev->priv;
695 struct p80211msg_p2req_readpda *msg = msgp;
698 /* We only support collecting the PDA when in the FWLOAD
701 if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
703 "PDA may only be read " "in the fwload state.\n");
704 msg->resultcode.data =
705 P80211ENUM_resultcode_implementation_failure;
706 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
708 /* Call drvr_readpda(), it handles the auxport enable
709 * and validating the returned PDA.
711 result = hfa384x_drvr_readpda(hw,
713 HFA384x_PDA_LEN_MAX);
716 "hfa384x_drvr_readpda() failed, "
717 "result=%d\n", result);
719 msg->resultcode.data =
720 P80211ENUM_resultcode_implementation_failure;
721 msg->resultcode.status =
722 P80211ENUM_msgitem_status_data_ok;
725 msg->pda.status = P80211ENUM_msgitem_status_data_ok;
726 msg->resultcode.data = P80211ENUM_resultcode_success;
727 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
733 /*----------------------------------------------------------------
734 * prism2mgmt_ramdl_state
736 * Establishes the beginning/end of a card RAM download session.
738 * It is expected that the ramdl_write() function will be called
739 * one or more times between the 'enable' and 'disable' calls to
742 * Note: This function should not be called when a mac comm port
746 * wlandev wlan device structure
747 * msgp ptr to msg buffer
751 * <0 success, but we're waiting for something to finish.
752 * >0 an error occurred while handling the message.
756 * process thread (usually)
757 ----------------------------------------------------------------*/
758 int prism2mgmt_ramdl_state(wlandevice_t *wlandev, void *msgp)
760 hfa384x_t *hw = wlandev->priv;
761 struct p80211msg_p2req_ramdl_state *msg = msgp;
763 if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
765 "ramdl_state(): may only be called "
766 "in the fwload state.\n");
767 msg->resultcode.data =
768 P80211ENUM_resultcode_implementation_failure;
769 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
774 ** Note: Interrupts are locked out if this is an AP and are NOT
775 ** locked out if this is a station.
778 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
779 if (msg->enable.data == P80211ENUM_truth_true) {
780 if (hfa384x_drvr_ramdl_enable(hw, msg->exeaddr.data)) {
781 msg->resultcode.data =
782 P80211ENUM_resultcode_implementation_failure;
784 msg->resultcode.data = P80211ENUM_resultcode_success;
787 hfa384x_drvr_ramdl_disable(hw);
788 msg->resultcode.data = P80211ENUM_resultcode_success;
794 /*----------------------------------------------------------------
795 * prism2mgmt_ramdl_write
797 * Writes a buffer to the card RAM using the download state. This
798 * is for writing code to card RAM. To just read or write raw data
799 * use the aux functions.
802 * wlandev wlan device structure
803 * msgp ptr to msg buffer
807 * <0 success, but we're waiting for something to finish.
808 * >0 an error occurred while handling the message.
812 * process thread (usually)
813 ----------------------------------------------------------------*/
814 int prism2mgmt_ramdl_write(wlandevice_t *wlandev, void *msgp)
816 hfa384x_t *hw = wlandev->priv;
817 struct p80211msg_p2req_ramdl_write *msg = msgp;
822 if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
824 "ramdl_write(): may only be called "
825 "in the fwload state.\n");
826 msg->resultcode.data =
827 P80211ENUM_resultcode_implementation_failure;
828 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
832 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
833 /* first validate the length */
834 if (msg->len.data > sizeof(msg->data.data)) {
835 msg->resultcode.status =
836 P80211ENUM_resultcode_invalid_parameters;
839 /* call the hfa384x function to do the write */
840 addr = msg->addr.data;
842 buf = msg->data.data;
843 if (hfa384x_drvr_ramdl_write(hw, addr, buf, len))
844 msg->resultcode.data = P80211ENUM_resultcode_refused;
846 msg->resultcode.data = P80211ENUM_resultcode_success;
851 /*----------------------------------------------------------------
852 * prism2mgmt_flashdl_state
854 * Establishes the beginning/end of a card Flash download session.
856 * It is expected that the flashdl_write() function will be called
857 * one or more times between the 'enable' and 'disable' calls to
860 * Note: This function should not be called when a mac comm port
864 * wlandev wlan device structure
865 * msgp ptr to msg buffer
869 * <0 success, but we're waiting for something to finish.
870 * >0 an error occurred while handling the message.
874 * process thread (usually)
875 ----------------------------------------------------------------*/
876 int prism2mgmt_flashdl_state(wlandevice_t *wlandev, void *msgp)
879 hfa384x_t *hw = wlandev->priv;
880 struct p80211msg_p2req_flashdl_state *msg = msgp;
882 if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
884 "flashdl_state(): may only be called "
885 "in the fwload state.\n");
886 msg->resultcode.data =
887 P80211ENUM_resultcode_implementation_failure;
888 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
893 ** Note: Interrupts are locked out if this is an AP and are NOT
894 ** locked out if this is a station.
897 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
898 if (msg->enable.data == P80211ENUM_truth_true) {
899 if (hfa384x_drvr_flashdl_enable(hw)) {
900 msg->resultcode.data =
901 P80211ENUM_resultcode_implementation_failure;
903 msg->resultcode.data = P80211ENUM_resultcode_success;
906 hfa384x_drvr_flashdl_disable(hw);
907 msg->resultcode.data = P80211ENUM_resultcode_success;
908 /* NOTE: At this point, the MAC is in the post-reset
909 * state and the driver is in the fwload state.
910 * We need to get the MAC back into the fwload
911 * state. To do this, we set the nsdstate to HWPRESENT
912 * and then call the ifstate function to redo everything
913 * that got us into the fwload state.
915 wlandev->msdstate = WLAN_MSD_HWPRESENT;
916 result = prism2sta_ifstate(wlandev, P80211ENUM_ifstate_fwload);
917 if (result != P80211ENUM_resultcode_success) {
918 printk(KERN_ERR "prism2sta_ifstate(fwload) failed,"
919 "P80211ENUM_resultcode=%d\n", result);
920 msg->resultcode.data =
921 P80211ENUM_resultcode_implementation_failure;
929 /*----------------------------------------------------------------
930 * prism2mgmt_flashdl_write
935 * wlandev wlan device structure
936 * msgp ptr to msg buffer
940 * <0 success, but we're waiting for something to finish.
941 * >0 an error occurred while handling the message.
945 * process thread (usually)
946 ----------------------------------------------------------------*/
947 int prism2mgmt_flashdl_write(wlandevice_t *wlandev, void *msgp)
949 hfa384x_t *hw = wlandev->priv;
950 struct p80211msg_p2req_flashdl_write *msg = msgp;
955 if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
957 "flashdl_write(): may only be called "
958 "in the fwload state.\n");
959 msg->resultcode.data =
960 P80211ENUM_resultcode_implementation_failure;
961 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
966 ** Note: Interrupts are locked out if this is an AP and are NOT
967 ** locked out if this is a station.
970 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
971 /* first validate the length */
972 if (msg->len.data > sizeof(msg->data.data)) {
973 msg->resultcode.status =
974 P80211ENUM_resultcode_invalid_parameters;
977 /* call the hfa384x function to do the write */
978 addr = msg->addr.data;
980 buf = msg->data.data;
981 if (hfa384x_drvr_flashdl_write(hw, addr, buf, len))
982 msg->resultcode.data = P80211ENUM_resultcode_refused;
984 msg->resultcode.data = P80211ENUM_resultcode_success;
989 /*----------------------------------------------------------------
990 * prism2mgmt_autojoin
992 * Associate with an ESS.
995 * wlandev wlan device structure
996 * msgp ptr to msg buffer
1000 * <0 success, but we're waiting for something to finish.
1001 * >0 an error occurred while handling the message.
1005 * process thread (usually)
1007 ----------------------------------------------------------------*/
1008 int prism2mgmt_autojoin(wlandevice_t *wlandev, void *msgp)
1010 hfa384x_t *hw = wlandev->priv;
1014 struct p80211msg_lnxreq_autojoin *msg = msgp;
1015 p80211pstrd_t *pstr;
1017 hfa384x_bytestr_t *p2bytestr = (hfa384x_bytestr_t *) bytebuf;
1019 wlandev->macmode = WLAN_MACMODE_NONE;
1022 memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data));
1024 /* Disable the Port */
1025 hfa384x_drvr_disable(hw, 0);
1028 /* Set the TxRates */
1029 hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, 0x000f);
1031 /* Set the auth type */
1032 if (msg->authtype.data == P80211ENUM_authalg_sharedkey)
1033 reg = HFA384x_CNFAUTHENTICATION_SHAREDKEY;
1035 reg = HFA384x_CNFAUTHENTICATION_OPENSYSTEM;
1037 hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAUTHENTICATION, reg);
1040 memset(bytebuf, 0, 256);
1041 pstr = (p80211pstrd_t *) &(msg->ssid.data);
1042 prism2mgmt_pstr2bytestr(p2bytestr, pstr);
1043 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID,
1045 HFA384x_RID_CNFDESIREDSSID_LEN);
1046 port_type = HFA384x_PORTTYPE_BSS;
1047 /* Set the PortType */
1048 hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, port_type);
1050 /* Enable the Port */
1051 hfa384x_drvr_enable(hw, 0);
1053 /* Set the resultcode */
1054 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
1055 msg->resultcode.data = P80211ENUM_resultcode_success;
1060 /*----------------------------------------------------------------
1061 * prism2mgmt_wlansniff
1063 * Start or stop sniffing.
1066 * wlandev wlan device structure
1067 * msgp ptr to msg buffer
1070 * 0 success and done
1071 * <0 success, but we're waiting for something to finish.
1072 * >0 an error occurred while handling the message.
1076 * process thread (usually)
1078 ----------------------------------------------------------------*/
1079 int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp)
1082 struct p80211msg_lnxreq_wlansniff *msg = msgp;
1084 hfa384x_t *hw = wlandev->priv;
1087 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
1088 switch (msg->enable.data) {
1089 case P80211ENUM_truth_false:
1090 /* Confirm that we're in monitor mode */
1091 if (wlandev->netdev->type == ARPHRD_ETHER) {
1092 msg->resultcode.data =
1093 P80211ENUM_resultcode_invalid_parameters;
1097 /* Disable monitor mode */
1098 result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_DISABLE);
1100 pr_debug("failed to disable monitor mode, result=%d\n",
1104 /* Disable port 0 */
1105 result = hfa384x_drvr_disable(hw, 0);
1108 ("failed to disable port 0 after sniffing, result=%d\n",
1112 /* Clear the driver state */
1113 wlandev->netdev->type = ARPHRD_ETHER;
1115 /* Restore the wepflags */
1116 result = hfa384x_drvr_setconfig16(hw,
1117 HFA384x_RID_CNFWEPFLAGS,
1118 hw->presniff_wepflags);
1121 ("failed to restore wepflags=0x%04x, result=%d\n",
1122 hw->presniff_wepflags, result);
1126 /* Set the port to its prior type and enable (if necessary) */
1127 if (hw->presniff_port_type != 0) {
1128 word = hw->presniff_port_type;
1129 result = hfa384x_drvr_setconfig16(hw,
1130 HFA384x_RID_CNFPORTTYPE,
1134 ("failed to restore porttype, result=%d\n",
1139 /* Enable the port */
1140 result = hfa384x_drvr_enable(hw, 0);
1143 ("failed to enable port to presniff setting, result=%d\n",
1148 result = hfa384x_drvr_disable(hw, 0);
1152 printk(KERN_INFO "monitor mode disabled\n");
1153 msg->resultcode.data = P80211ENUM_resultcode_success;
1157 case P80211ENUM_truth_true:
1158 /* Disable the port (if enabled), only check Port 0 */
1159 if (hw->port_enabled[0]) {
1160 if (wlandev->netdev->type == ARPHRD_ETHER) {
1161 /* Save macport 0 state */
1162 result = hfa384x_drvr_getconfig16(hw,
1163 HFA384x_RID_CNFPORTTYPE,
1164 &(hw->presniff_port_type));
1167 ("failed to read porttype, result=%d\n",
1171 /* Save the wepflags state */
1172 result = hfa384x_drvr_getconfig16(hw,
1173 HFA384x_RID_CNFWEPFLAGS,
1174 &(hw->presniff_wepflags));
1177 ("failed to read wepflags, result=%d\n",
1181 hfa384x_drvr_stop(hw);
1182 result = hfa384x_drvr_start(hw);
1185 ("failed to restart the card for sniffing, result=%d\n",
1190 /* Disable the port */
1191 result = hfa384x_drvr_disable(hw, 0);
1194 ("failed to enable port for sniffing, result=%d\n",
1200 hw->presniff_port_type = 0;
1203 /* Set the channel we wish to sniff */
1204 word = msg->channel.data;
1205 result = hfa384x_drvr_setconfig16(hw,
1206 HFA384x_RID_CNFOWNCHANNEL,
1208 hw->sniff_channel = word;
1211 pr_debug("failed to set channel %d, result=%d\n",
1216 /* Now if we're already sniffing, we can skip the rest */
1217 if (wlandev->netdev->type != ARPHRD_ETHER) {
1218 /* Set the port type to pIbss */
1219 word = HFA384x_PORTTYPE_PSUEDOIBSS;
1220 result = hfa384x_drvr_setconfig16(hw,
1221 HFA384x_RID_CNFPORTTYPE,
1225 ("failed to set porttype %d, result=%d\n",
1229 if ((msg->keepwepflags.status ==
1230 P80211ENUM_msgitem_status_data_ok)
1231 && (msg->keepwepflags.data !=
1232 P80211ENUM_truth_true)) {
1233 /* Set the wepflags for no decryption */
1234 word = HFA384x_WEPFLAGS_DISABLE_TXCRYPT |
1235 HFA384x_WEPFLAGS_DISABLE_RXCRYPT;
1237 hfa384x_drvr_setconfig16(hw,
1238 HFA384x_RID_CNFWEPFLAGS,
1244 ("failed to set wepflags=0x%04x, result=%d\n",
1250 /* Do we want to strip the FCS in monitor mode? */
1251 if ((msg->stripfcs.status == P80211ENUM_msgitem_status_data_ok)
1252 && (msg->stripfcs.data == P80211ENUM_truth_true)) {
1258 /* Do we want to truncate the packets? */
1259 if (msg->packet_trunc.status ==
1260 P80211ENUM_msgitem_status_data_ok) {
1261 hw->sniff_truncate = msg->packet_trunc.data;
1263 hw->sniff_truncate = 0;
1266 /* Enable the port */
1267 result = hfa384x_drvr_enable(hw, 0);
1270 ("failed to enable port for sniffing, result=%d\n",
1274 /* Enable monitor mode */
1275 result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_ENABLE);
1277 pr_debug("failed to enable monitor mode, result=%d\n",
1282 if (wlandev->netdev->type == ARPHRD_ETHER)
1283 printk(KERN_INFO "monitor mode enabled\n");
1285 /* Set the driver state */
1286 /* Do we want the prism2 header? */
1287 if ((msg->prismheader.status ==
1288 P80211ENUM_msgitem_status_data_ok)
1289 && (msg->prismheader.data == P80211ENUM_truth_true)) {
1291 wlandev->netdev->type = ARPHRD_IEEE80211_PRISM;
1293 if ((msg->wlanheader.status ==
1294 P80211ENUM_msgitem_status_data_ok)
1295 && (msg->wlanheader.data == P80211ENUM_truth_true)) {
1297 wlandev->netdev->type = ARPHRD_IEEE80211_PRISM;
1299 wlandev->netdev->type = ARPHRD_IEEE80211;
1302 msg->resultcode.data = P80211ENUM_resultcode_success;
1307 msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
1314 msg->resultcode.data = P80211ENUM_resultcode_refused;