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/slab.h>
67 #include <linux/wireless.h>
68 #include <linux/netdevice.h>
69 #include <linux/delay.h>
71 #include <asm/byteorder.h>
72 #include <linux/random.h>
73 #include <linux/usb.h>
74 #include <linux/bitops.h>
76 #include "p80211types.h"
77 #include "p80211hdr.h"
78 #include "p80211mgmt.h"
79 #include "p80211conv.h"
80 #include "p80211msg.h"
81 #include "p80211netdev.h"
82 #include "p80211metadef.h"
83 #include "p80211metastruct.h"
85 #include "prism2mgmt.h"
87 /* Converts 802.11 format rate specifications to prism2 */
88 #define p80211rate_to_p2bit(n) ((((n)&~BIT(7)) == 2) ? BIT(0) : \
89 (((n)&~BIT(7)) == 4) ? BIT(1) : \
90 (((n)&~BIT(7)) == 11) ? BIT(2) : \
91 (((n)&~BIT(7)) == 22) ? BIT(3) : 0)
93 /*----------------------------------------------------------------
96 * Initiate a scan for BSSs.
98 * This function corresponds to MLME-scan.request and part of
99 * MLME-scan.confirm. As far as I can tell in the standard, there
100 * are no restrictions on when a scan.request may be issued. We have
101 * to handle in whatever state the driver/MAC happen to be.
104 * wlandev wlan device structure
105 * msgp ptr to msg buffer
109 * <0 success, but we're waiting for something to finish.
110 * >0 an error occurred while handling the message.
114 * process thread (usually)
116 ----------------------------------------------------------------*/
117 int prism2mgmt_scan(wlandevice_t *wlandev, void *msgp)
120 hfa384x_t *hw = wlandev->priv;
121 p80211msg_dot11req_scan_t *msg = msgp;
122 u16 roamingmode, word;
126 hfa384x_HostScanRequest_data_t scanreq;
128 /* gatekeeper check */
129 if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
130 hw->ident_sta_fw.minor,
131 hw->ident_sta_fw.variant) <
132 HFA384x_FIRMWARE_VERSION(1, 3, 2)) {
134 "HostScan not supported with current firmware (<1.3.2).\n");
136 msg->resultcode.data = P80211ENUM_resultcode_not_supported;
140 memset(&scanreq, 0, sizeof(scanreq));
142 /* save current roaming mode */
143 result = hfa384x_drvr_getconfig16(hw,
144 HFA384x_RID_CNFROAMINGMODE,
147 printk(KERN_ERR "getconfig(ROAMMODE) failed. result=%d\n",
149 msg->resultcode.data =
150 P80211ENUM_resultcode_implementation_failure;
154 /* drop into mode 3 for the scan */
155 result = hfa384x_drvr_setconfig16(hw,
156 HFA384x_RID_CNFROAMINGMODE,
157 HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM);
159 printk(KERN_ERR "setconfig(ROAMINGMODE) failed. result=%d\n",
161 msg->resultcode.data =
162 P80211ENUM_resultcode_implementation_failure;
166 /* active or passive? */
167 if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
168 hw->ident_sta_fw.minor,
169 hw->ident_sta_fw.variant) >
170 HFA384x_FIRMWARE_VERSION(1, 5, 0)) {
171 if (msg->scantype.data != P80211ENUM_scantype_active)
172 word = cpu_to_le16(msg->maxchanneltime.data);
177 hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPASSIVESCANCTRL,
180 printk(KERN_WARNING "Passive scan not supported with "
181 "current firmware. (<1.5.1)\n");
185 /* set up the txrate to be 2MBPS. Should be fastest basicrate... */
186 word = HFA384x_RATEBIT_2;
187 scanreq.txRate = cpu_to_le16(word);
189 /* set up the channel list */
191 for (i = 0; i < msg->channellist.data.len; i++) {
192 u8 channel = msg->channellist.data.data[i];
195 /* channel 1 is BIT 0 ... channel 14 is BIT 13 */
196 word |= (1 << (channel - 1));
198 scanreq.channelList = cpu_to_le16(word);
200 /* set up the ssid, if present. */
201 scanreq.ssid.len = cpu_to_le16(msg->ssid.data.len);
202 memcpy(scanreq.ssid.data, msg->ssid.data.data, msg->ssid.data.len);
204 /* Enable the MAC port if it's not already enabled */
205 result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_PORTSTATUS, &word);
207 printk(KERN_ERR "getconfig(PORTSTATUS) failed. "
208 "result=%d\n", result);
209 msg->resultcode.data =
210 P80211ENUM_resultcode_implementation_failure;
213 if (word == HFA384x_PORTSTATUS_DISABLED) {
216 result = hfa384x_drvr_setconfig16(hw,
217 HFA384x_RID_CNFROAMINGMODE,
218 HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM);
221 "setconfig(ROAMINGMODE) failed. result=%d\n",
223 msg->resultcode.data =
224 P80211ENUM_resultcode_implementation_failure;
227 /* Construct a bogus SSID and assign it to OwnSSID and
230 wordbuf[0] = cpu_to_le16(WLAN_SSID_MAXLEN);
231 get_random_bytes(&wordbuf[1], WLAN_SSID_MAXLEN);
232 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFOWNSSID,
234 HFA384x_RID_CNFOWNSSID_LEN);
236 printk(KERN_ERR "Failed to set OwnSSID.\n");
237 msg->resultcode.data =
238 P80211ENUM_resultcode_implementation_failure;
241 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID,
243 HFA384x_RID_CNFDESIREDSSID_LEN);
245 printk(KERN_ERR "Failed to set DesiredSSID.\n");
246 msg->resultcode.data =
247 P80211ENUM_resultcode_implementation_failure;
251 result = hfa384x_drvr_setconfig16(hw,
252 HFA384x_RID_CNFPORTTYPE,
253 HFA384x_PORTTYPE_IBSS);
255 printk(KERN_ERR "Failed to set CNFPORTTYPE.\n");
256 msg->resultcode.data =
257 P80211ENUM_resultcode_implementation_failure;
261 result = hfa384x_drvr_setconfig16(hw,
262 HFA384x_RID_CREATEIBSS,
263 HFA384x_CREATEIBSS_JOINCREATEIBSS);
265 printk(KERN_ERR "Failed to set CREATEIBSS.\n");
266 msg->resultcode.data =
267 P80211ENUM_resultcode_implementation_failure;
270 result = hfa384x_drvr_enable(hw, 0);
272 printk(KERN_ERR "drvr_enable(0) failed. "
273 "result=%d\n", result);
274 msg->resultcode.data =
275 P80211ENUM_resultcode_implementation_failure;
281 /* Figure out our timeout first Kus, then HZ */
282 timeout = msg->channellist.data.len * msg->maxchanneltime.data;
283 timeout = (timeout * HZ) / 1000;
285 /* Issue the scan request */
288 result = hfa384x_drvr_setconfig(hw,
289 HFA384x_RID_HOSTSCAN, &scanreq,
290 sizeof(hfa384x_HostScanRequest_data_t));
292 printk(KERN_ERR "setconfig(SCANREQUEST) failed. result=%d\n",
294 msg->resultcode.data =
295 P80211ENUM_resultcode_implementation_failure;
299 /* sleep until info frame arrives */
300 wait_event_interruptible_timeout(hw->cmdq, hw->scanflag, timeout);
302 msg->numbss.status = P80211ENUM_msgitem_status_data_ok;
303 if (hw->scanflag == -1)
306 msg->numbss.data = hw->scanflag;
310 /* Disable port if we temporarily enabled it. */
312 result = hfa384x_drvr_disable(hw, 0);
314 printk(KERN_ERR "drvr_disable(0) failed. "
315 "result=%d\n", result);
316 msg->resultcode.data =
317 P80211ENUM_resultcode_implementation_failure;
322 /* restore original roaming mode */
323 result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFROAMINGMODE,
326 printk(KERN_ERR "setconfig(ROAMMODE) failed. result=%d\n",
328 msg->resultcode.data =
329 P80211ENUM_resultcode_implementation_failure;
334 msg->resultcode.data = P80211ENUM_resultcode_success;
337 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
342 /*----------------------------------------------------------------
343 * prism2mgmt_scan_results
345 * Retrieve the BSS description for one of the BSSs identified in
349 * wlandev wlan device structure
350 * msgp ptr to msg buffer
354 * <0 success, but we're waiting for something to finish.
355 * >0 an error occurred while handling the message.
359 * process thread (usually)
361 ----------------------------------------------------------------*/
362 int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp)
365 p80211msg_dot11req_scan_results_t *req;
366 hfa384x_t *hw = wlandev->priv;
367 hfa384x_HScanResultSub_t *item = NULL;
371 req = (p80211msg_dot11req_scan_results_t *) msgp;
373 req->resultcode.status = P80211ENUM_msgitem_status_data_ok;
375 if (!hw->scanresults) {
377 "dot11req_scan_results can only be used after a successful dot11req_scan.\n");
379 req->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
383 count = (hw->scanresults->framelen - 3) / 32;
387 if (req->bssindex.data >= count) {
388 pr_debug("requested index (%d) out of range (%d)\n",
389 req->bssindex.data, count);
391 req->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
395 item = &(hw->scanresults->info.hscanresult.result[req->bssindex.data]);
396 /* signal and noise */
397 req->signal.status = P80211ENUM_msgitem_status_data_ok;
398 req->noise.status = P80211ENUM_msgitem_status_data_ok;
399 req->signal.data = le16_to_cpu(item->sl);
400 req->noise.data = le16_to_cpu(item->anl);
403 req->bssid.status = P80211ENUM_msgitem_status_data_ok;
404 req->bssid.data.len = WLAN_BSSID_LEN;
405 memcpy(req->bssid.data.data, item->bssid, WLAN_BSSID_LEN);
408 req->ssid.status = P80211ENUM_msgitem_status_data_ok;
409 req->ssid.data.len = le16_to_cpu(item->ssid.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 = P80211ENUM_msgitem_status_data_ok; \
432 #define REQSUPPRATE(N) \
434 req->supprate ## N .data = item->supprates[(N)-1]; \
435 req->supprate ## N .status = P80211ENUM_msgitem_status_data_ok; \
448 req->beaconperiod.status = P80211ENUM_msgitem_status_data_ok;
449 req->beaconperiod.data = le16_to_cpu(item->bcnint);
452 req->timestamp.status = P80211ENUM_msgitem_status_data_ok;
453 req->timestamp.data = jiffies;
454 req->localtime.status = P80211ENUM_msgitem_status_data_ok;
455 req->localtime.data = jiffies;
458 req->ibssatimwindow.status = P80211ENUM_msgitem_status_data_ok;
459 req->ibssatimwindow.data = le16_to_cpu(item->atim);
462 req->dschannel.status = P80211ENUM_msgitem_status_data_ok;
463 req->dschannel.data = le16_to_cpu(item->chid);
466 count = le16_to_cpu(item->capinfo);
469 req->privacy.status = P80211ENUM_msgitem_status_data_ok;
470 req->privacy.data = WLAN_GET_MGMT_CAP_INFO_PRIVACY(count);
473 req->cfpollable.status = P80211ENUM_msgitem_status_data_ok;
474 req->cfpollable.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLABLE(count);
477 req->cfpollreq.status = P80211ENUM_msgitem_status_data_ok;
478 req->cfpollreq.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLREQ(count);
481 req->bsstype.status = P80211ENUM_msgitem_status_data_ok;
482 req->bsstype.data = (WLAN_GET_MGMT_CAP_INFO_ESS(count)) ?
483 P80211ENUM_bsstype_infrastructure : P80211ENUM_bsstype_independent;
486 req->resultcode.data = P80211ENUM_resultcode_success;
492 /*----------------------------------------------------------------
495 * Start a BSS. Any station can do this for IBSS, only AP for ESS.
498 * wlandev wlan device structure
499 * msgp ptr to msg buffer
503 * <0 success, but we're waiting for something to finish.
504 * >0 an error occurred while handling the message.
508 * process thread (usually)
510 ----------------------------------------------------------------*/
511 int prism2mgmt_start(wlandevice_t *wlandev, void *msgp)
514 hfa384x_t *hw = wlandev->priv;
515 p80211msg_dot11req_start_t *msg = msgp;
519 hfa384x_bytestr_t *p2bytestr = (hfa384x_bytestr_t *) bytebuf;
522 wlandev->macmode = WLAN_MACMODE_NONE;
525 memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data));
528 /* see if current f/w is less than 8c3 */
529 if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
530 hw->ident_sta_fw.minor,
531 hw->ident_sta_fw.variant) <
532 HFA384x_FIRMWARE_VERSION(0, 8, 3)) {
533 /* Ad-Hoc not quite supported on Prism2 */
534 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
535 msg->resultcode.data = P80211ENUM_resultcode_not_supported;
539 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
542 /* Set the REQUIRED config items */
544 pstr = (p80211pstrd_t *) &(msg->ssid.data);
545 prism2mgmt_pstr2bytestr(p2bytestr, pstr);
546 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFOWNSSID,
547 bytebuf, HFA384x_RID_CNFOWNSSID_LEN);
549 printk(KERN_ERR "Failed to set CnfOwnSSID\n");
552 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID,
554 HFA384x_RID_CNFDESIREDSSID_LEN);
556 printk(KERN_ERR "Failed to set CnfDesiredSSID\n");
560 /* bsstype - we use the default in the ap firmware */
562 hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, 0);
565 word = msg->beaconperiod.data;
566 result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAPBCNint, word);
568 printk(KERN_ERR "Failed to set beacon period=%d.\n", word);
573 word = msg->dschannel.data;
574 result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFOWNCHANNEL, word);
576 printk(KERN_ERR "Failed to set channel=%d.\n", word);
580 word = p80211rate_to_p2bit(msg->basicrate1.data);
581 if (msg->basicrate2.status == P80211ENUM_msgitem_status_data_ok)
582 word |= p80211rate_to_p2bit(msg->basicrate2.data);
584 if (msg->basicrate3.status == P80211ENUM_msgitem_status_data_ok)
585 word |= p80211rate_to_p2bit(msg->basicrate3.data);
587 if (msg->basicrate4.status == P80211ENUM_msgitem_status_data_ok)
588 word |= p80211rate_to_p2bit(msg->basicrate4.data);
590 if (msg->basicrate5.status == P80211ENUM_msgitem_status_data_ok)
591 word |= p80211rate_to_p2bit(msg->basicrate5.data);
593 if (msg->basicrate6.status == P80211ENUM_msgitem_status_data_ok)
594 word |= p80211rate_to_p2bit(msg->basicrate6.data);
596 if (msg->basicrate7.status == P80211ENUM_msgitem_status_data_ok)
597 word |= p80211rate_to_p2bit(msg->basicrate7.data);
599 if (msg->basicrate8.status == P80211ENUM_msgitem_status_data_ok)
600 word |= p80211rate_to_p2bit(msg->basicrate8.data);
602 result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFBASICRATES, word);
604 printk(KERN_ERR "Failed to set basicrates=%d.\n", word);
608 /* Operational rates (supprates and txratecontrol) */
609 word = p80211rate_to_p2bit(msg->operationalrate1.data);
610 if (msg->operationalrate2.status == P80211ENUM_msgitem_status_data_ok)
611 word |= p80211rate_to_p2bit(msg->operationalrate2.data);
613 if (msg->operationalrate3.status == P80211ENUM_msgitem_status_data_ok)
614 word |= p80211rate_to_p2bit(msg->operationalrate3.data);
616 if (msg->operationalrate4.status == P80211ENUM_msgitem_status_data_ok)
617 word |= p80211rate_to_p2bit(msg->operationalrate4.data);
619 if (msg->operationalrate5.status == P80211ENUM_msgitem_status_data_ok)
620 word |= p80211rate_to_p2bit(msg->operationalrate5.data);
622 if (msg->operationalrate6.status == P80211ENUM_msgitem_status_data_ok)
623 word |= p80211rate_to_p2bit(msg->operationalrate6.data);
625 if (msg->operationalrate7.status == P80211ENUM_msgitem_status_data_ok)
626 word |= p80211rate_to_p2bit(msg->operationalrate7.data);
628 if (msg->operationalrate8.status == P80211ENUM_msgitem_status_data_ok)
629 word |= p80211rate_to_p2bit(msg->operationalrate8.data);
631 result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFSUPPRATES, word);
633 printk(KERN_ERR "Failed to set supprates=%d.\n", word);
637 result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, word);
639 printk(KERN_ERR "Failed to set txrates=%d.\n", word);
643 /* Set the macmode so the frame setup code knows what to do */
644 if (msg->bsstype.data == P80211ENUM_bsstype_independent) {
645 wlandev->macmode = WLAN_MACMODE_IBSS_STA;
646 /* lets extend the data length a bit */
647 hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN, 2304);
650 /* Enable the Port */
651 result = hfa384x_drvr_enable(hw, 0);
653 printk(KERN_ERR "Enable macport failed, result=%d.\n", result);
657 msg->resultcode.data = P80211ENUM_resultcode_success;
661 pr_debug("Failed to set a config option, result=%d\n", result);
662 msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
670 /*----------------------------------------------------------------
673 * Collect the PDA data and put it in the message.
676 * wlandev wlan device structure
677 * msgp ptr to msg buffer
681 * <0 success, but we're waiting for something to finish.
682 * >0 an error occurred while handling the message.
686 * process thread (usually)
687 ----------------------------------------------------------------*/
688 int prism2mgmt_readpda(wlandevice_t *wlandev, void *msgp)
690 hfa384x_t *hw = wlandev->priv;
691 p80211msg_p2req_readpda_t *msg = msgp;
694 /* We only support collecting the PDA when in the FWLOAD
697 if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
699 "PDA may only be read " "in the fwload state.\n");
700 msg->resultcode.data =
701 P80211ENUM_resultcode_implementation_failure;
702 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
704 /* Call drvr_readpda(), it handles the auxport enable
705 * and validating the returned PDA.
707 result = hfa384x_drvr_readpda(hw,
709 HFA384x_PDA_LEN_MAX);
712 "hfa384x_drvr_readpda() failed, "
713 "result=%d\n", result);
715 msg->resultcode.data =
716 P80211ENUM_resultcode_implementation_failure;
717 msg->resultcode.status =
718 P80211ENUM_msgitem_status_data_ok;
721 msg->pda.status = P80211ENUM_msgitem_status_data_ok;
722 msg->resultcode.data = P80211ENUM_resultcode_success;
723 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
729 /*----------------------------------------------------------------
730 * prism2mgmt_ramdl_state
732 * Establishes the beginning/end of a card RAM download session.
734 * It is expected that the ramdl_write() function will be called
735 * one or more times between the 'enable' and 'disable' calls to
738 * Note: This function should not be called when a mac comm port
742 * wlandev wlan device structure
743 * msgp ptr to msg buffer
747 * <0 success, but we're waiting for something to finish.
748 * >0 an error occurred while handling the message.
752 * process thread (usually)
753 ----------------------------------------------------------------*/
754 int prism2mgmt_ramdl_state(wlandevice_t *wlandev, void *msgp)
756 hfa384x_t *hw = wlandev->priv;
757 p80211msg_p2req_ramdl_state_t *msg = msgp;
759 if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
761 "ramdl_state(): may only be called "
762 "in the fwload state.\n");
763 msg->resultcode.data =
764 P80211ENUM_resultcode_implementation_failure;
765 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
770 ** Note: Interrupts are locked out if this is an AP and are NOT
771 ** locked out if this is a station.
774 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
775 if (msg->enable.data == P80211ENUM_truth_true) {
776 if (hfa384x_drvr_ramdl_enable(hw, msg->exeaddr.data)) {
777 msg->resultcode.data =
778 P80211ENUM_resultcode_implementation_failure;
780 msg->resultcode.data = P80211ENUM_resultcode_success;
783 hfa384x_drvr_ramdl_disable(hw);
784 msg->resultcode.data = P80211ENUM_resultcode_success;
790 /*----------------------------------------------------------------
791 * prism2mgmt_ramdl_write
793 * Writes a buffer to the card RAM using the download state. This
794 * is for writing code to card RAM. To just read or write raw data
795 * use the aux functions.
798 * wlandev wlan device structure
799 * msgp ptr to msg buffer
803 * <0 success, but we're waiting for something to finish.
804 * >0 an error occurred while handling the message.
808 * process thread (usually)
809 ----------------------------------------------------------------*/
810 int prism2mgmt_ramdl_write(wlandevice_t *wlandev, void *msgp)
812 hfa384x_t *hw = wlandev->priv;
813 p80211msg_p2req_ramdl_write_t *msg = msgp;
818 if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
820 "ramdl_write(): may only be called "
821 "in the fwload state.\n");
822 msg->resultcode.data =
823 P80211ENUM_resultcode_implementation_failure;
824 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
828 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
829 /* first validate the length */
830 if (msg->len.data > sizeof(msg->data.data)) {
831 msg->resultcode.status =
832 P80211ENUM_resultcode_invalid_parameters;
835 /* call the hfa384x function to do the write */
836 addr = msg->addr.data;
838 buf = msg->data.data;
839 if (hfa384x_drvr_ramdl_write(hw, addr, buf, len))
840 msg->resultcode.data = P80211ENUM_resultcode_refused;
842 msg->resultcode.data = P80211ENUM_resultcode_success;
847 /*----------------------------------------------------------------
848 * prism2mgmt_flashdl_state
850 * Establishes the beginning/end of a card Flash download session.
852 * It is expected that the flashdl_write() function will be called
853 * one or more times between the 'enable' and 'disable' calls to
856 * Note: This function should not be called when a mac comm port
860 * wlandev wlan device structure
861 * msgp ptr to msg buffer
865 * <0 success, but we're waiting for something to finish.
866 * >0 an error occurred while handling the message.
870 * process thread (usually)
871 ----------------------------------------------------------------*/
872 int prism2mgmt_flashdl_state(wlandevice_t *wlandev, void *msgp)
875 hfa384x_t *hw = wlandev->priv;
876 p80211msg_p2req_flashdl_state_t *msg = msgp;
878 if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
880 "flashdl_state(): may only be called "
881 "in the fwload state.\n");
882 msg->resultcode.data =
883 P80211ENUM_resultcode_implementation_failure;
884 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
889 ** Note: Interrupts are locked out if this is an AP and are NOT
890 ** locked out if this is a station.
893 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
894 if (msg->enable.data == P80211ENUM_truth_true) {
895 if (hfa384x_drvr_flashdl_enable(hw)) {
896 msg->resultcode.data =
897 P80211ENUM_resultcode_implementation_failure;
899 msg->resultcode.data = P80211ENUM_resultcode_success;
902 hfa384x_drvr_flashdl_disable(hw);
903 msg->resultcode.data = P80211ENUM_resultcode_success;
904 /* NOTE: At this point, the MAC is in the post-reset
905 * state and the driver is in the fwload state.
906 * We need to get the MAC back into the fwload
907 * state. To do this, we set the nsdstate to HWPRESENT
908 * and then call the ifstate function to redo everything
909 * that got us into the fwload state.
911 wlandev->msdstate = WLAN_MSD_HWPRESENT;
912 result = prism2sta_ifstate(wlandev, P80211ENUM_ifstate_fwload);
913 if (result != P80211ENUM_resultcode_success) {
914 printk(KERN_ERR "prism2sta_ifstate(fwload) failed,"
915 "P80211ENUM_resultcode=%d\n", result);
916 msg->resultcode.data =
917 P80211ENUM_resultcode_implementation_failure;
925 /*----------------------------------------------------------------
926 * prism2mgmt_flashdl_write
931 * wlandev wlan device structure
932 * msgp ptr to msg buffer
936 * <0 success, but we're waiting for something to finish.
937 * >0 an error occurred while handling the message.
941 * process thread (usually)
942 ----------------------------------------------------------------*/
943 int prism2mgmt_flashdl_write(wlandevice_t *wlandev, void *msgp)
945 hfa384x_t *hw = wlandev->priv;
946 p80211msg_p2req_flashdl_write_t *msg = msgp;
951 if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
953 "flashdl_write(): may only be called "
954 "in the fwload state.\n");
955 msg->resultcode.data =
956 P80211ENUM_resultcode_implementation_failure;
957 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
962 ** Note: Interrupts are locked out if this is an AP and are NOT
963 ** locked out if this is a station.
966 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
967 /* first validate the length */
968 if (msg->len.data > sizeof(msg->data.data)) {
969 msg->resultcode.status =
970 P80211ENUM_resultcode_invalid_parameters;
973 /* call the hfa384x function to do the write */
974 addr = msg->addr.data;
976 buf = msg->data.data;
977 if (hfa384x_drvr_flashdl_write(hw, addr, buf, len))
978 msg->resultcode.data = P80211ENUM_resultcode_refused;
980 msg->resultcode.data = P80211ENUM_resultcode_success;
985 /*----------------------------------------------------------------
986 * prism2mgmt_autojoin
988 * Associate with an ESS.
991 * wlandev wlan device structure
992 * msgp ptr to msg buffer
996 * <0 success, but we're waiting for something to finish.
997 * >0 an error occurred while handling the message.
1001 * process thread (usually)
1003 ----------------------------------------------------------------*/
1004 int prism2mgmt_autojoin(wlandevice_t *wlandev, void *msgp)
1006 hfa384x_t *hw = wlandev->priv;
1010 p80211msg_lnxreq_autojoin_t *msg = msgp;
1011 p80211pstrd_t *pstr;
1013 hfa384x_bytestr_t *p2bytestr = (hfa384x_bytestr_t *) bytebuf;
1015 wlandev->macmode = WLAN_MACMODE_NONE;
1018 memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data));
1020 /* Disable the Port */
1021 hfa384x_drvr_disable(hw, 0);
1024 /* Set the TxRates */
1025 hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, 0x000f);
1027 /* Set the auth type */
1028 if (msg->authtype.data == P80211ENUM_authalg_sharedkey)
1029 reg = HFA384x_CNFAUTHENTICATION_SHAREDKEY;
1031 reg = HFA384x_CNFAUTHENTICATION_OPENSYSTEM;
1033 hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAUTHENTICATION, reg);
1036 memset(bytebuf, 0, 256);
1037 pstr = (p80211pstrd_t *) &(msg->ssid.data);
1038 prism2mgmt_pstr2bytestr(p2bytestr, pstr);
1039 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID,
1041 HFA384x_RID_CNFDESIREDSSID_LEN);
1042 port_type = HFA384x_PORTTYPE_BSS;
1043 /* Set the PortType */
1044 hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, port_type);
1046 /* Enable the Port */
1047 hfa384x_drvr_enable(hw, 0);
1049 /* Set the resultcode */
1050 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
1051 msg->resultcode.data = P80211ENUM_resultcode_success;
1056 /*----------------------------------------------------------------
1057 * prism2mgmt_wlansniff
1059 * Start or stop sniffing.
1062 * wlandev wlan device structure
1063 * msgp ptr to msg buffer
1066 * 0 success and done
1067 * <0 success, but we're waiting for something to finish.
1068 * >0 an error occurred while handling the message.
1072 * process thread (usually)
1074 ----------------------------------------------------------------*/
1075 int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp)
1078 p80211msg_lnxreq_wlansniff_t *msg = msgp;
1080 hfa384x_t *hw = wlandev->priv;
1083 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
1084 switch (msg->enable.data) {
1085 case P80211ENUM_truth_false:
1086 /* Confirm that we're in monitor mode */
1087 if (wlandev->netdev->type == ARPHRD_ETHER) {
1088 msg->resultcode.data =
1089 P80211ENUM_resultcode_invalid_parameters;
1093 /* Disable monitor mode */
1094 result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_DISABLE);
1096 pr_debug("failed to disable monitor mode, result=%d\n",
1100 /* Disable port 0 */
1101 result = hfa384x_drvr_disable(hw, 0);
1104 ("failed to disable port 0 after sniffing, result=%d\n",
1108 /* Clear the driver state */
1109 wlandev->netdev->type = ARPHRD_ETHER;
1111 /* Restore the wepflags */
1112 result = hfa384x_drvr_setconfig16(hw,
1113 HFA384x_RID_CNFWEPFLAGS,
1114 hw->presniff_wepflags);
1117 ("failed to restore wepflags=0x%04x, result=%d\n",
1118 hw->presniff_wepflags, result);
1122 /* Set the port to its prior type and enable (if necessary) */
1123 if (hw->presniff_port_type != 0) {
1124 word = hw->presniff_port_type;
1125 result = hfa384x_drvr_setconfig16(hw,
1126 HFA384x_RID_CNFPORTTYPE,
1130 ("failed to restore porttype, result=%d\n",
1135 /* Enable the port */
1136 result = hfa384x_drvr_enable(hw, 0);
1139 ("failed to enable port to presniff setting, result=%d\n",
1144 result = hfa384x_drvr_disable(hw, 0);
1148 printk(KERN_INFO "monitor mode disabled\n");
1149 msg->resultcode.data = P80211ENUM_resultcode_success;
1153 case P80211ENUM_truth_true:
1154 /* Disable the port (if enabled), only check Port 0 */
1155 if (hw->port_enabled[0]) {
1156 if (wlandev->netdev->type == ARPHRD_ETHER) {
1157 /* Save macport 0 state */
1158 result = hfa384x_drvr_getconfig16(hw,
1159 HFA384x_RID_CNFPORTTYPE,
1160 &(hw->presniff_port_type));
1163 ("failed to read porttype, result=%d\n",
1167 /* Save the wepflags state */
1168 result = hfa384x_drvr_getconfig16(hw,
1169 HFA384x_RID_CNFWEPFLAGS,
1170 &(hw->presniff_wepflags));
1173 ("failed to read wepflags, result=%d\n",
1177 hfa384x_drvr_stop(hw);
1178 result = hfa384x_drvr_start(hw);
1181 ("failed to restart the card for sniffing, result=%d\n",
1186 /* Disable the port */
1187 result = hfa384x_drvr_disable(hw, 0);
1190 ("failed to enable port for sniffing, result=%d\n",
1196 hw->presniff_port_type = 0;
1199 /* Set the channel we wish to sniff */
1200 word = msg->channel.data;
1201 result = hfa384x_drvr_setconfig16(hw,
1202 HFA384x_RID_CNFOWNCHANNEL,
1204 hw->sniff_channel = word;
1207 pr_debug("failed to set channel %d, result=%d\n",
1212 /* Now if we're already sniffing, we can skip the rest */
1213 if (wlandev->netdev->type != ARPHRD_ETHER) {
1214 /* Set the port type to pIbss */
1215 word = HFA384x_PORTTYPE_PSUEDOIBSS;
1216 result = hfa384x_drvr_setconfig16(hw,
1217 HFA384x_RID_CNFPORTTYPE,
1221 ("failed to set porttype %d, result=%d\n",
1225 if ((msg->keepwepflags.status ==
1226 P80211ENUM_msgitem_status_data_ok)
1227 && (msg->keepwepflags.data !=
1228 P80211ENUM_truth_true)) {
1229 /* Set the wepflags for no decryption */
1230 word = HFA384x_WEPFLAGS_DISABLE_TXCRYPT |
1231 HFA384x_WEPFLAGS_DISABLE_RXCRYPT;
1233 hfa384x_drvr_setconfig16(hw,
1234 HFA384x_RID_CNFWEPFLAGS,
1240 ("failed to set wepflags=0x%04x, result=%d\n",
1246 /* Do we want to strip the FCS in monitor mode? */
1247 if ((msg->stripfcs.status == P80211ENUM_msgitem_status_data_ok)
1248 && (msg->stripfcs.data == P80211ENUM_truth_true)) {
1254 /* Do we want to truncate the packets? */
1255 if (msg->packet_trunc.status ==
1256 P80211ENUM_msgitem_status_data_ok) {
1257 hw->sniff_truncate = msg->packet_trunc.data;
1259 hw->sniff_truncate = 0;
1262 /* Enable the port */
1263 result = hfa384x_drvr_enable(hw, 0);
1266 ("failed to enable port for sniffing, result=%d\n",
1270 /* Enable monitor mode */
1271 result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_ENABLE);
1273 pr_debug("failed to enable monitor mode, result=%d\n",
1278 if (wlandev->netdev->type == ARPHRD_ETHER)
1279 printk(KERN_INFO "monitor mode enabled\n");
1281 /* Set the driver state */
1282 /* Do we want the prism2 header? */
1283 if ((msg->prismheader.status ==
1284 P80211ENUM_msgitem_status_data_ok)
1285 && (msg->prismheader.data == P80211ENUM_truth_true)) {
1287 wlandev->netdev->type = ARPHRD_IEEE80211_PRISM;
1289 if ((msg->wlanheader.status ==
1290 P80211ENUM_msgitem_status_data_ok)
1291 && (msg->wlanheader.data == P80211ENUM_truth_true)) {
1293 wlandev->netdev->type = ARPHRD_IEEE80211_PRISM;
1295 wlandev->netdev->type = ARPHRD_IEEE80211;
1298 msg->resultcode.data = P80211ENUM_resultcode_success;
1303 msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
1310 msg->resultcode.data = P80211ENUM_resultcode_refused;