1 /* src/prism2/driver/prism2sta.c
3 * Implements the station functionality for prism2
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 * This file implements the module and linux pcmcia routines for the
50 * --------------------------------------------------------------------
53 #include <linux/module.h>
54 #include <linux/kernel.h>
55 #include <linux/sched.h>
56 #include <linux/types.h>
57 #include <linux/slab.h>
58 #include <linux/wireless.h>
59 #include <linux/netdevice.h>
60 #include <linux/workqueue.h>
61 #include <linux/byteorder/generic.h>
62 #include <linux/etherdevice.h>
65 #include <linux/delay.h>
66 #include <asm/byteorder.h>
67 #include <linux/if_arp.h>
68 #include <linux/if_ether.h>
69 #include <linux/bitops.h>
71 #include "p80211types.h"
72 #include "p80211hdr.h"
73 #include "p80211mgmt.h"
74 #include "p80211conv.h"
75 #include "p80211msg.h"
76 #include "p80211netdev.h"
77 #include "p80211req.h"
78 #include "p80211metadef.h"
79 #include "p80211metastruct.h"
81 #include "prism2mgmt.h"
83 static char *dev_info = "prism2_usb";
84 static wlandevice_t *create_wlan(void);
86 int prism2_reset_holdtime = 30; /* Reset hold time in ms */
87 int prism2_reset_settletime = 100; /* Reset settle time in ms */
89 static int prism2_doreset; /* Do a reset at init? */
91 module_param(prism2_doreset, int, 0644);
92 MODULE_PARM_DESC(prism2_doreset, "Issue a reset on initialization");
94 module_param(prism2_reset_holdtime, int, 0644);
95 MODULE_PARM_DESC(prism2_reset_holdtime, "reset hold time in ms");
96 module_param(prism2_reset_settletime, int, 0644);
97 MODULE_PARM_DESC(prism2_reset_settletime, "reset settle time in ms");
99 MODULE_LICENSE("Dual MPL/GPL");
101 static int prism2sta_open(wlandevice_t *wlandev);
102 static int prism2sta_close(wlandevice_t *wlandev);
103 static void prism2sta_reset(wlandevice_t *wlandev);
104 static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb,
105 union p80211_hdr *p80211_hdr,
106 struct p80211_metawep *p80211_wep);
107 static int prism2sta_mlmerequest(wlandevice_t *wlandev, struct p80211msg *msg);
108 static int prism2sta_getcardinfo(wlandevice_t *wlandev);
109 static int prism2sta_globalsetup(wlandevice_t *wlandev);
110 static int prism2sta_setmulticast(wlandevice_t *wlandev, netdevice_t *dev);
112 static void prism2sta_inf_handover(wlandevice_t *wlandev,
113 hfa384x_InfFrame_t *inf);
114 static void prism2sta_inf_tallies(wlandevice_t *wlandev,
115 hfa384x_InfFrame_t *inf);
116 static void prism2sta_inf_hostscanresults(wlandevice_t *wlandev,
117 hfa384x_InfFrame_t *inf);
118 static void prism2sta_inf_scanresults(wlandevice_t *wlandev,
119 hfa384x_InfFrame_t *inf);
120 static void prism2sta_inf_chinforesults(wlandevice_t *wlandev,
121 hfa384x_InfFrame_t *inf);
122 static void prism2sta_inf_linkstatus(wlandevice_t *wlandev,
123 hfa384x_InfFrame_t *inf);
124 static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
125 hfa384x_InfFrame_t *inf);
126 static void prism2sta_inf_authreq(wlandevice_t *wlandev,
127 hfa384x_InfFrame_t *inf);
128 static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev,
129 hfa384x_InfFrame_t *inf);
130 static void prism2sta_inf_psusercnt(wlandevice_t *wlandev,
131 hfa384x_InfFrame_t *inf);
133 /*----------------------------------------------------------------
136 * WLAN device open method. Called from p80211netdev when kernel
137 * device open (start) method is called in response to the
138 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
142 * wlandev wlan device structure
146 * >0 f/w reported error
147 * <0 driver reported error
153 ----------------------------------------------------------------*/
154 static int prism2sta_open(wlandevice_t *wlandev)
156 /* We don't currently have to do anything else.
157 * The setup of the MAC should be subsequently completed via
159 * Higher layers know we're ready from dev->start==1 and
160 * dev->tbusy==0. Our rx path knows to pass up received/
161 * frames because of dev->flags&IFF_UP is true.
167 /*----------------------------------------------------------------
170 * WLAN device close method. Called from p80211netdev when kernel
171 * device close method is called in response to the
172 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
176 * wlandev wlan device structure
180 * >0 f/w reported error
181 * <0 driver reported error
187 ----------------------------------------------------------------*/
188 static int prism2sta_close(wlandevice_t *wlandev)
190 /* We don't currently have to do anything else.
191 * Higher layers know we're not ready from dev->start==0 and
192 * dev->tbusy==1. Our rx path knows to not pass up received
193 * frames because of dev->flags&IFF_UP is false.
199 /*----------------------------------------------------------------
202 * Currently not implemented.
205 * wlandev wlan device structure
215 ----------------------------------------------------------------*/
216 static void prism2sta_reset(wlandevice_t *wlandev)
220 /*----------------------------------------------------------------
223 * Takes a frame from p80211 and queues it for transmission.
226 * wlandev wlan device structure
227 * pb packet buffer struct. Contains an 802.11
229 * p80211_hdr points to the 802.11 header for the packet.
231 * 0 Success and more buffs available
232 * 1 Success but no more buffs
233 * 2 Allocation failure
234 * 4 Buffer full or queue busy
240 ----------------------------------------------------------------*/
241 static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb,
242 union p80211_hdr *p80211_hdr,
243 struct p80211_metawep *p80211_wep)
245 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
247 /* If necessary, set the 802.11 WEP bit */
248 if ((wlandev->hostwep & (HOSTWEP_PRIVACYINVOKED | HOSTWEP_ENCRYPT)) ==
249 HOSTWEP_PRIVACYINVOKED) {
250 p80211_hdr->a3.fc |= cpu_to_le16(WLAN_SET_FC_ISWEP(1));
253 return hfa384x_drvr_txframe(hw, skb, p80211_hdr, p80211_wep);
256 /*----------------------------------------------------------------
257 * prism2sta_mlmerequest
259 * wlan command message handler. All we do here is pass the message
260 * over to the prism2sta_mgmt_handler.
263 * wlandev wlan device structure
264 * msg wlan command message
267 * <0 successful acceptance of message, but we're
268 * waiting for an async process to finish before
269 * we're done with the msg. When the asynch
270 * process is done, we'll call the p80211
271 * function p80211req_confirm() .
272 * >0 An error occurred while we were handling
279 ----------------------------------------------------------------*/
280 static int prism2sta_mlmerequest(wlandevice_t *wlandev, struct p80211msg *msg)
282 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
286 switch (msg->msgcode) {
287 case DIDmsg_dot11req_mibget:
288 pr_debug("Received mibget request\n");
289 result = prism2mgmt_mibset_mibget(wlandev, msg);
291 case DIDmsg_dot11req_mibset:
292 pr_debug("Received mibset request\n");
293 result = prism2mgmt_mibset_mibget(wlandev, msg);
295 case DIDmsg_dot11req_scan:
296 pr_debug("Received scan request\n");
297 result = prism2mgmt_scan(wlandev, msg);
299 case DIDmsg_dot11req_scan_results:
300 pr_debug("Received scan_results request\n");
301 result = prism2mgmt_scan_results(wlandev, msg);
303 case DIDmsg_dot11req_start:
304 pr_debug("Received mlme start request\n");
305 result = prism2mgmt_start(wlandev, msg);
308 * Prism2 specific messages
310 case DIDmsg_p2req_readpda:
311 pr_debug("Received mlme readpda request\n");
312 result = prism2mgmt_readpda(wlandev, msg);
314 case DIDmsg_p2req_ramdl_state:
315 pr_debug("Received mlme ramdl_state request\n");
316 result = prism2mgmt_ramdl_state(wlandev, msg);
318 case DIDmsg_p2req_ramdl_write:
319 pr_debug("Received mlme ramdl_write request\n");
320 result = prism2mgmt_ramdl_write(wlandev, msg);
322 case DIDmsg_p2req_flashdl_state:
323 pr_debug("Received mlme flashdl_state request\n");
324 result = prism2mgmt_flashdl_state(wlandev, msg);
326 case DIDmsg_p2req_flashdl_write:
327 pr_debug("Received mlme flashdl_write request\n");
328 result = prism2mgmt_flashdl_write(wlandev, msg);
331 * Linux specific messages
333 case DIDmsg_lnxreq_hostwep:
334 break; /* ignore me. */
335 case DIDmsg_lnxreq_ifstate:
337 struct p80211msg_lnxreq_ifstate *ifstatemsg;
339 pr_debug("Received mlme ifstate request\n");
340 ifstatemsg = (struct p80211msg_lnxreq_ifstate *) msg;
342 prism2sta_ifstate(wlandev,
343 ifstatemsg->ifstate.data);
344 ifstatemsg->resultcode.status =
345 P80211ENUM_msgitem_status_data_ok;
346 ifstatemsg->resultcode.data = result;
350 case DIDmsg_lnxreq_wlansniff:
351 pr_debug("Received mlme wlansniff request\n");
352 result = prism2mgmt_wlansniff(wlandev, msg);
354 case DIDmsg_lnxreq_autojoin:
355 pr_debug("Received mlme autojoin request\n");
356 result = prism2mgmt_autojoin(wlandev, msg);
358 case DIDmsg_lnxreq_commsquality:{
359 struct p80211msg_lnxreq_commsquality *qualmsg;
361 pr_debug("Received commsquality request\n");
363 qualmsg = (struct p80211msg_lnxreq_commsquality *) msg;
365 qualmsg->link.status =
366 P80211ENUM_msgitem_status_data_ok;
367 qualmsg->level.status =
368 P80211ENUM_msgitem_status_data_ok;
369 qualmsg->noise.status =
370 P80211ENUM_msgitem_status_data_ok;
372 qualmsg->link.data = le16_to_cpu(hw->qual.CQ_currBSS);
373 qualmsg->level.data = le16_to_cpu(hw->qual.ASL_currBSS);
374 qualmsg->noise.data = le16_to_cpu(hw->qual.ANL_currFC);
375 qualmsg->txrate.data = hw->txrate;
380 netdev_warn(wlandev->netdev,
381 "Unknown mgmt request message 0x%08x",
389 /*----------------------------------------------------------------
392 * Interface state. This is the primary WLAN interface enable/disable
393 * handler. Following the driver/load/deviceprobe sequence, this
394 * function must be called with a state of "enable" before any other
395 * commands will be accepted.
398 * wlandev wlan device structure
399 * msgp ptr to msg buffer
402 * A p80211 message resultcode value.
407 * process thread (usually)
409 ----------------------------------------------------------------*/
410 u32 prism2sta_ifstate(wlandevice_t *wlandev, u32 ifstate)
412 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
415 result = P80211ENUM_resultcode_implementation_failure;
417 pr_debug("Current MSD state(%d), requesting(%d)\n",
418 wlandev->msdstate, ifstate);
420 case P80211ENUM_ifstate_fwload:
421 switch (wlandev->msdstate) {
422 case WLAN_MSD_HWPRESENT:
423 wlandev->msdstate = WLAN_MSD_FWLOAD_PENDING;
425 * Initialize the device+driver sufficiently
426 * for firmware loading.
428 result = hfa384x_drvr_start(hw);
430 netdev_err(wlandev->netdev,
431 "hfa384x_drvr_start() failed,result=%d\n",
434 P80211ENUM_resultcode_implementation_failure;
435 wlandev->msdstate = WLAN_MSD_HWPRESENT;
438 wlandev->msdstate = WLAN_MSD_FWLOAD;
439 result = P80211ENUM_resultcode_success;
441 case WLAN_MSD_FWLOAD:
442 hfa384x_cmd_initialize(hw);
443 result = P80211ENUM_resultcode_success;
445 case WLAN_MSD_RUNNING:
446 netdev_warn(wlandev->netdev,
447 "Cannot enter fwload state from enable state, you must disable first.\n");
448 result = P80211ENUM_resultcode_invalid_parameters;
450 case WLAN_MSD_HWFAIL:
452 /* probe() had a problem or the msdstate contains
453 * an unrecognized value, there's nothing we can do.
455 result = P80211ENUM_resultcode_implementation_failure;
459 case P80211ENUM_ifstate_enable:
460 switch (wlandev->msdstate) {
461 case WLAN_MSD_HWPRESENT:
462 case WLAN_MSD_FWLOAD:
463 wlandev->msdstate = WLAN_MSD_RUNNING_PENDING;
464 /* Initialize the device+driver for full
465 * operation. Note that this might me an FWLOAD to
466 * to RUNNING transition so we must not do a chip
467 * or board level reset. Note that on failure,
468 * the MSD state is set to HWPRESENT because we
469 * can't make any assumptions about the state
470 * of the hardware or a previous firmware load.
472 result = hfa384x_drvr_start(hw);
474 netdev_err(wlandev->netdev,
475 "hfa384x_drvr_start() failed,result=%d\n",
478 P80211ENUM_resultcode_implementation_failure;
479 wlandev->msdstate = WLAN_MSD_HWPRESENT;
483 result = prism2sta_getcardinfo(wlandev);
485 netdev_err(wlandev->netdev,
486 "prism2sta_getcardinfo() failed,result=%d\n",
489 P80211ENUM_resultcode_implementation_failure;
490 hfa384x_drvr_stop(hw);
491 wlandev->msdstate = WLAN_MSD_HWPRESENT;
494 result = prism2sta_globalsetup(wlandev);
496 netdev_err(wlandev->netdev,
497 "prism2sta_globalsetup() failed,result=%d\n",
500 P80211ENUM_resultcode_implementation_failure;
501 hfa384x_drvr_stop(hw);
502 wlandev->msdstate = WLAN_MSD_HWPRESENT;
505 wlandev->msdstate = WLAN_MSD_RUNNING;
507 hw->join_retries = 60;
508 result = P80211ENUM_resultcode_success;
510 case WLAN_MSD_RUNNING:
511 /* Do nothing, we're already in this state. */
512 result = P80211ENUM_resultcode_success;
514 case WLAN_MSD_HWFAIL:
516 /* probe() had a problem or the msdstate contains
517 * an unrecognized value, there's nothing we can do.
519 result = P80211ENUM_resultcode_implementation_failure;
523 case P80211ENUM_ifstate_disable:
524 switch (wlandev->msdstate) {
525 case WLAN_MSD_HWPRESENT:
526 /* Do nothing, we're already in this state. */
527 result = P80211ENUM_resultcode_success;
529 case WLAN_MSD_FWLOAD:
530 case WLAN_MSD_RUNNING:
531 wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
533 * TODO: Shut down the MAC completely. Here a chip
534 * or board level reset is probably called for.
535 * After a "disable" _all_ results are lost, even
536 * those from a fwload.
538 if (!wlandev->hwremoved)
539 netif_carrier_off(wlandev->netdev);
541 hfa384x_drvr_stop(hw);
543 wlandev->macmode = WLAN_MACMODE_NONE;
544 wlandev->msdstate = WLAN_MSD_HWPRESENT;
545 result = P80211ENUM_resultcode_success;
547 case WLAN_MSD_HWFAIL:
549 /* probe() had a problem or the msdstate contains
550 * an unrecognized value, there's nothing we can do.
552 result = P80211ENUM_resultcode_implementation_failure;
557 result = P80211ENUM_resultcode_invalid_parameters;
564 /*----------------------------------------------------------------
565 * prism2sta_getcardinfo
567 * Collect the NICID, firmware version and any other identifiers
568 * we'd like to have in host-side data structures.
571 * wlandev wlan device structure
575 * >0 f/w reported error
576 * <0 driver reported error
582 ----------------------------------------------------------------*/
583 static int prism2sta_getcardinfo(wlandevice_t *wlandev)
586 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
588 u8 snum[HFA384x_RID_NICSERIALNUMBER_LEN];
590 /* Collect version and compatibility info */
591 /* Some are critical, some are not */
593 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICIDENTITY,
595 sizeof(hfa384x_compident_t));
597 netdev_err(wlandev->netdev, "Failed to retrieve NICIDENTITY\n");
601 /* get all the nic id fields in host byte order */
602 hw->ident_nic.id = le16_to_cpu(hw->ident_nic.id);
603 hw->ident_nic.variant = le16_to_cpu(hw->ident_nic.variant);
604 hw->ident_nic.major = le16_to_cpu(hw->ident_nic.major);
605 hw->ident_nic.minor = le16_to_cpu(hw->ident_nic.minor);
607 netdev_info(wlandev->netdev, "ident: nic h/w: id=0x%02x %d.%d.%d\n",
608 hw->ident_nic.id, hw->ident_nic.major,
609 hw->ident_nic.minor, hw->ident_nic.variant);
611 /* Primary f/w identity */
612 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRIIDENTITY,
614 sizeof(hfa384x_compident_t));
616 netdev_err(wlandev->netdev, "Failed to retrieve PRIIDENTITY\n");
620 /* get all the private fw id fields in host byte order */
621 hw->ident_pri_fw.id = le16_to_cpu(hw->ident_pri_fw.id);
622 hw->ident_pri_fw.variant = le16_to_cpu(hw->ident_pri_fw.variant);
623 hw->ident_pri_fw.major = le16_to_cpu(hw->ident_pri_fw.major);
624 hw->ident_pri_fw.minor = le16_to_cpu(hw->ident_pri_fw.minor);
626 netdev_info(wlandev->netdev, "ident: pri f/w: id=0x%02x %d.%d.%d\n",
627 hw->ident_pri_fw.id, hw->ident_pri_fw.major,
628 hw->ident_pri_fw.minor, hw->ident_pri_fw.variant);
630 /* Station (Secondary?) f/w identity */
631 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STAIDENTITY,
633 sizeof(hfa384x_compident_t));
635 netdev_err(wlandev->netdev, "Failed to retrieve STAIDENTITY\n");
639 if (hw->ident_nic.id < 0x8000) {
640 netdev_err(wlandev->netdev,
641 "FATAL: Card is not an Intersil Prism2/2.5/3\n");
646 /* get all the station fw id fields in host byte order */
647 hw->ident_sta_fw.id = le16_to_cpu(hw->ident_sta_fw.id);
648 hw->ident_sta_fw.variant = le16_to_cpu(hw->ident_sta_fw.variant);
649 hw->ident_sta_fw.major = le16_to_cpu(hw->ident_sta_fw.major);
650 hw->ident_sta_fw.minor = le16_to_cpu(hw->ident_sta_fw.minor);
652 /* strip out the 'special' variant bits */
653 hw->mm_mods = hw->ident_sta_fw.variant & (BIT(14) | BIT(15));
654 hw->ident_sta_fw.variant &= ~((u16) (BIT(14) | BIT(15)));
656 if (hw->ident_sta_fw.id == 0x1f) {
657 netdev_info(wlandev->netdev,
658 "ident: sta f/w: id=0x%02x %d.%d.%d\n",
659 hw->ident_sta_fw.id, hw->ident_sta_fw.major,
660 hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
662 netdev_info(wlandev->netdev,
663 "ident: ap f/w: id=0x%02x %d.%d.%d\n",
664 hw->ident_sta_fw.id, hw->ident_sta_fw.major,
665 hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
666 netdev_err(wlandev->netdev, "Unsupported Tertiary AP firmware loaded!\n");
670 /* Compatibility range, Modem supplier */
671 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_MFISUPRANGE,
673 sizeof(hfa384x_caplevel_t));
675 netdev_err(wlandev->netdev, "Failed to retrieve MFISUPRANGE\n");
679 /* get all the Compatibility range, modem interface supplier
680 fields in byte order */
681 hw->cap_sup_mfi.role = le16_to_cpu(hw->cap_sup_mfi.role);
682 hw->cap_sup_mfi.id = le16_to_cpu(hw->cap_sup_mfi.id);
683 hw->cap_sup_mfi.variant = le16_to_cpu(hw->cap_sup_mfi.variant);
684 hw->cap_sup_mfi.bottom = le16_to_cpu(hw->cap_sup_mfi.bottom);
685 hw->cap_sup_mfi.top = le16_to_cpu(hw->cap_sup_mfi.top);
687 netdev_info(wlandev->netdev,
688 "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
689 hw->cap_sup_mfi.role, hw->cap_sup_mfi.id,
690 hw->cap_sup_mfi.variant, hw->cap_sup_mfi.bottom,
691 hw->cap_sup_mfi.top);
693 /* Compatibility range, Controller supplier */
694 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CFISUPRANGE,
696 sizeof(hfa384x_caplevel_t));
698 netdev_err(wlandev->netdev, "Failed to retrieve CFISUPRANGE\n");
702 /* get all the Compatibility range, controller interface supplier
703 fields in byte order */
704 hw->cap_sup_cfi.role = le16_to_cpu(hw->cap_sup_cfi.role);
705 hw->cap_sup_cfi.id = le16_to_cpu(hw->cap_sup_cfi.id);
706 hw->cap_sup_cfi.variant = le16_to_cpu(hw->cap_sup_cfi.variant);
707 hw->cap_sup_cfi.bottom = le16_to_cpu(hw->cap_sup_cfi.bottom);
708 hw->cap_sup_cfi.top = le16_to_cpu(hw->cap_sup_cfi.top);
710 netdev_info(wlandev->netdev,
711 "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
712 hw->cap_sup_cfi.role, hw->cap_sup_cfi.id,
713 hw->cap_sup_cfi.variant, hw->cap_sup_cfi.bottom,
714 hw->cap_sup_cfi.top);
716 /* Compatibility range, Primary f/w supplier */
717 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRISUPRANGE,
719 sizeof(hfa384x_caplevel_t));
721 netdev_err(wlandev->netdev, "Failed to retrieve PRISUPRANGE\n");
725 /* get all the Compatibility range, primary firmware supplier
726 fields in byte order */
727 hw->cap_sup_pri.role = le16_to_cpu(hw->cap_sup_pri.role);
728 hw->cap_sup_pri.id = le16_to_cpu(hw->cap_sup_pri.id);
729 hw->cap_sup_pri.variant = le16_to_cpu(hw->cap_sup_pri.variant);
730 hw->cap_sup_pri.bottom = le16_to_cpu(hw->cap_sup_pri.bottom);
731 hw->cap_sup_pri.top = le16_to_cpu(hw->cap_sup_pri.top);
733 netdev_info(wlandev->netdev,
734 "PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
735 hw->cap_sup_pri.role, hw->cap_sup_pri.id,
736 hw->cap_sup_pri.variant, hw->cap_sup_pri.bottom,
737 hw->cap_sup_pri.top);
739 /* Compatibility range, Station f/w supplier */
740 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STASUPRANGE,
742 sizeof(hfa384x_caplevel_t));
744 netdev_err(wlandev->netdev, "Failed to retrieve STASUPRANGE\n");
748 /* get all the Compatibility range, station firmware supplier
749 fields in byte order */
750 hw->cap_sup_sta.role = le16_to_cpu(hw->cap_sup_sta.role);
751 hw->cap_sup_sta.id = le16_to_cpu(hw->cap_sup_sta.id);
752 hw->cap_sup_sta.variant = le16_to_cpu(hw->cap_sup_sta.variant);
753 hw->cap_sup_sta.bottom = le16_to_cpu(hw->cap_sup_sta.bottom);
754 hw->cap_sup_sta.top = le16_to_cpu(hw->cap_sup_sta.top);
756 if (hw->cap_sup_sta.id == 0x04) {
757 netdev_info(wlandev->netdev,
758 "STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
759 hw->cap_sup_sta.role, hw->cap_sup_sta.id,
760 hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
761 hw->cap_sup_sta.top);
763 netdev_info(wlandev->netdev,
764 "AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
765 hw->cap_sup_sta.role, hw->cap_sup_sta.id,
766 hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
767 hw->cap_sup_sta.top);
770 /* Compatibility range, primary f/w actor, CFI supplier */
771 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRI_CFIACTRANGES,
772 &hw->cap_act_pri_cfi,
773 sizeof(hfa384x_caplevel_t));
775 netdev_err(wlandev->netdev, "Failed to retrieve PRI_CFIACTRANGES\n");
779 /* get all the Compatibility range, primary f/w actor, CFI supplier
780 fields in byte order */
781 hw->cap_act_pri_cfi.role = le16_to_cpu(hw->cap_act_pri_cfi.role);
782 hw->cap_act_pri_cfi.id = le16_to_cpu(hw->cap_act_pri_cfi.id);
783 hw->cap_act_pri_cfi.variant = le16_to_cpu(hw->cap_act_pri_cfi.variant);
784 hw->cap_act_pri_cfi.bottom = le16_to_cpu(hw->cap_act_pri_cfi.bottom);
785 hw->cap_act_pri_cfi.top = le16_to_cpu(hw->cap_act_pri_cfi.top);
787 netdev_info(wlandev->netdev,
788 "PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
789 hw->cap_act_pri_cfi.role, hw->cap_act_pri_cfi.id,
790 hw->cap_act_pri_cfi.variant, hw->cap_act_pri_cfi.bottom,
791 hw->cap_act_pri_cfi.top);
793 /* Compatibility range, sta f/w actor, CFI supplier */
794 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_CFIACTRANGES,
795 &hw->cap_act_sta_cfi,
796 sizeof(hfa384x_caplevel_t));
798 netdev_err(wlandev->netdev, "Failed to retrieve STA_CFIACTRANGES\n");
802 /* get all the Compatibility range, station f/w actor, CFI supplier
803 fields in byte order */
804 hw->cap_act_sta_cfi.role = le16_to_cpu(hw->cap_act_sta_cfi.role);
805 hw->cap_act_sta_cfi.id = le16_to_cpu(hw->cap_act_sta_cfi.id);
806 hw->cap_act_sta_cfi.variant = le16_to_cpu(hw->cap_act_sta_cfi.variant);
807 hw->cap_act_sta_cfi.bottom = le16_to_cpu(hw->cap_act_sta_cfi.bottom);
808 hw->cap_act_sta_cfi.top = le16_to_cpu(hw->cap_act_sta_cfi.top);
810 netdev_info(wlandev->netdev,
811 "STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
812 hw->cap_act_sta_cfi.role, hw->cap_act_sta_cfi.id,
813 hw->cap_act_sta_cfi.variant, hw->cap_act_sta_cfi.bottom,
814 hw->cap_act_sta_cfi.top);
816 /* Compatibility range, sta f/w actor, MFI supplier */
817 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_MFIACTRANGES,
818 &hw->cap_act_sta_mfi,
819 sizeof(hfa384x_caplevel_t));
821 netdev_err(wlandev->netdev, "Failed to retrieve STA_MFIACTRANGES\n");
825 /* get all the Compatibility range, station f/w actor, MFI supplier
826 fields in byte order */
827 hw->cap_act_sta_mfi.role = le16_to_cpu(hw->cap_act_sta_mfi.role);
828 hw->cap_act_sta_mfi.id = le16_to_cpu(hw->cap_act_sta_mfi.id);
829 hw->cap_act_sta_mfi.variant = le16_to_cpu(hw->cap_act_sta_mfi.variant);
830 hw->cap_act_sta_mfi.bottom = le16_to_cpu(hw->cap_act_sta_mfi.bottom);
831 hw->cap_act_sta_mfi.top = le16_to_cpu(hw->cap_act_sta_mfi.top);
833 netdev_info(wlandev->netdev,
834 "STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
835 hw->cap_act_sta_mfi.role, hw->cap_act_sta_mfi.id,
836 hw->cap_act_sta_mfi.variant, hw->cap_act_sta_mfi.bottom,
837 hw->cap_act_sta_mfi.top);
840 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICSERIALNUMBER,
841 snum, HFA384x_RID_NICSERIALNUMBER_LEN);
843 netdev_info(wlandev->netdev, "Prism2 card SN: %*pEhp\n",
844 HFA384x_RID_NICSERIALNUMBER_LEN, snum);
846 netdev_err(wlandev->netdev, "Failed to retrieve Prism2 Card SN\n");
850 /* Collect the MAC address */
851 result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFOWNMACADDR,
852 wlandev->netdev->dev_addr, ETH_ALEN);
854 netdev_err(wlandev->netdev, "Failed to retrieve mac address\n");
858 /* short preamble is always implemented */
859 wlandev->nsdcaps |= P80211_NSDCAP_SHORT_PREAMBLE;
861 /* find out if hardware wep is implemented */
862 hfa384x_drvr_getconfig16(hw, HFA384x_RID_PRIVACYOPTIMP, &temp);
864 wlandev->nsdcaps |= P80211_NSDCAP_HARDWAREWEP;
866 /* get the dBm Scaling constant */
867 hfa384x_drvr_getconfig16(hw, HFA384x_RID_CNFDBMADJUST, &temp);
868 hw->dbmadjust = temp;
870 /* Only enable scan by default on newer firmware */
871 if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
872 hw->ident_sta_fw.minor,
873 hw->ident_sta_fw.variant) <
874 HFA384x_FIRMWARE_VERSION(1, 5, 5)) {
875 wlandev->nsdcaps |= P80211_NSDCAP_NOSCAN;
878 /* TODO: Set any internally managed config items */
882 netdev_err(wlandev->netdev, "Failed, result=%d\n", result);
887 /*----------------------------------------------------------------
888 * prism2sta_globalsetup
890 * Set any global RIDs that we want to set at device activation.
893 * wlandev wlan device structure
897 * >0 f/w reported error
898 * <0 driver reported error
904 ----------------------------------------------------------------*/
905 static int prism2sta_globalsetup(wlandevice_t *wlandev)
907 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
909 /* Set the maximum frame size */
910 return hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN,
914 static int prism2sta_setmulticast(wlandevice_t *wlandev, netdevice_t *dev)
917 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
921 /* If we're not ready, what's the point? */
922 if (hw->state != HFA384x_STATE_RUNNING)
925 if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0)
926 promisc = P80211ENUM_truth_true;
928 promisc = P80211ENUM_truth_false;
931 hfa384x_drvr_setconfig16_async(hw, HFA384x_RID_PROMISCMODE,
937 /*----------------------------------------------------------------
938 * prism2sta_inf_handover
940 * Handles the receipt of a Handover info frame. Should only be present
944 * wlandev wlan device structure
945 * inf ptr to info frame (contents in hfa384x order)
954 ----------------------------------------------------------------*/
955 static void prism2sta_inf_handover(wlandevice_t *wlandev,
956 hfa384x_InfFrame_t *inf)
958 pr_debug("received infoframe:HANDOVER (unhandled)\n");
961 /*----------------------------------------------------------------
962 * prism2sta_inf_tallies
964 * Handles the receipt of a CommTallies info frame.
967 * wlandev wlan device structure
968 * inf ptr to info frame (contents in hfa384x order)
977 ----------------------------------------------------------------*/
978 static void prism2sta_inf_tallies(wlandevice_t *wlandev,
979 hfa384x_InfFrame_t *inf)
981 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
989 ** Determine if these are 16-bit or 32-bit tallies, based on the
990 ** record length of the info record.
993 cnt = sizeof(hfa384x_CommTallies32_t) / sizeof(u32);
994 if (inf->framelen > 22) {
995 dst = (u32 *) &hw->tallies;
996 src32 = (u32 *) &inf->info.commtallies32;
997 for (i = 0; i < cnt; i++, dst++, src32++)
998 *dst += le32_to_cpu(*src32);
1000 dst = (u32 *) &hw->tallies;
1001 src16 = (u16 *) &inf->info.commtallies16;
1002 for (i = 0; i < cnt; i++, dst++, src16++)
1003 *dst += le16_to_cpu(*src16);
1007 /*----------------------------------------------------------------
1008 * prism2sta_inf_scanresults
1010 * Handles the receipt of a Scan Results info frame.
1013 * wlandev wlan device structure
1014 * inf ptr to info frame (contents in hfa384x order)
1023 ----------------------------------------------------------------*/
1024 static void prism2sta_inf_scanresults(wlandevice_t *wlandev,
1025 hfa384x_InfFrame_t *inf)
1028 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1030 hfa384x_ScanResult_t *sr = &(inf->info.scanresult);
1032 hfa384x_JoinRequest_data_t joinreq;
1035 /* Get the number of results, first in bytes, then in results */
1036 nbss = (inf->framelen * sizeof(u16)) -
1037 sizeof(inf->infotype) - sizeof(inf->info.scanresult.scanreason);
1038 nbss /= sizeof(hfa384x_ScanResultSub_t);
1041 pr_debug("rx scanresults, reason=%d, nbss=%d:\n",
1042 inf->info.scanresult.scanreason, nbss);
1043 for (i = 0; i < nbss; i++) {
1044 pr_debug("chid=%d anl=%d sl=%d bcnint=%d\n",
1047 sr->result[i].sl, sr->result[i].bcnint);
1048 pr_debug(" capinfo=0x%04x proberesp_rate=%d\n",
1049 sr->result[i].capinfo, sr->result[i].proberesp_rate);
1051 /* issue a join request */
1052 joinreq.channel = sr->result[0].chid;
1053 memcpy(joinreq.bssid, sr->result[0].bssid, WLAN_BSSID_LEN);
1054 result = hfa384x_drvr_setconfig(hw,
1055 HFA384x_RID_JOINREQUEST,
1056 &joinreq, HFA384x_RID_JOINREQUEST_LEN);
1058 netdev_err(wlandev->netdev, "setconfig(joinreq) failed, result=%d\n",
1063 /*----------------------------------------------------------------
1064 * prism2sta_inf_hostscanresults
1066 * Handles the receipt of a Scan Results info frame.
1069 * wlandev wlan device structure
1070 * inf ptr to info frame (contents in hfa384x order)
1079 ----------------------------------------------------------------*/
1080 static void prism2sta_inf_hostscanresults(wlandevice_t *wlandev,
1081 hfa384x_InfFrame_t *inf)
1083 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1086 nbss = (inf->framelen - 3) / 32;
1087 pr_debug("Received %d hostscan results\n", nbss);
1092 kfree(hw->scanresults);
1094 hw->scanresults = kmemdup(inf, sizeof(hfa384x_InfFrame_t), GFP_ATOMIC);
1099 /* Notify/wake the sleeping caller. */
1100 hw->scanflag = nbss;
1101 wake_up_interruptible(&hw->cmdq);
1104 /*----------------------------------------------------------------
1105 * prism2sta_inf_chinforesults
1107 * Handles the receipt of a Channel Info Results info frame.
1110 * wlandev wlan device structure
1111 * inf ptr to info frame (contents in hfa384x order)
1120 ----------------------------------------------------------------*/
1121 static void prism2sta_inf_chinforesults(wlandevice_t *wlandev,
1122 hfa384x_InfFrame_t *inf)
1124 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1127 hw->channel_info.results.scanchannels =
1128 le16_to_cpu(inf->info.chinforesult.scanchannels);
1130 for (i = 0, n = 0; i < HFA384x_CHINFORESULT_MAX; i++) {
1131 hfa384x_ChInfoResultSub_t *result;
1132 hfa384x_ChInfoResultSub_t *chinforesult;
1135 if (!(hw->channel_info.results.scanchannels & (1 << i)))
1138 result = &inf->info.chinforesult.result[n];
1139 chan = le16_to_cpu(result->chid) - 1;
1141 if (chan < 0 || chan >= HFA384x_CHINFORESULT_MAX)
1144 chinforesult = &hw->channel_info.results.result[chan];
1145 chinforesult->chid = chan;
1146 chinforesult->anl = le16_to_cpu(result->anl);
1147 chinforesult->pnl = le16_to_cpu(result->pnl);
1148 chinforesult->active = le16_to_cpu(result->active);
1150 pr_debug("chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
1152 (chinforesult->active & HFA384x_CHINFORESULT_BSSACTIVE)
1153 ? "signal" : "noise",
1154 chinforesult->anl, chinforesult->pnl,
1155 (chinforesult->active & HFA384x_CHINFORESULT_PCFACTIVE)
1159 atomic_set(&hw->channel_info.done, 2);
1161 hw->channel_info.count = n;
1164 void prism2sta_processing_defer(struct work_struct *data)
1166 hfa384x_t *hw = container_of(data, struct hfa384x, link_bh);
1167 wlandevice_t *wlandev = hw->wlandev;
1168 hfa384x_bytestr32_t ssid;
1171 /* First let's process the auth frames */
1173 struct sk_buff *skb;
1174 hfa384x_InfFrame_t *inf;
1176 while ((skb = skb_dequeue(&hw->authq))) {
1177 inf = (hfa384x_InfFrame_t *) skb->data;
1178 prism2sta_inf_authreq_defer(wlandev, inf);
1183 /* Now let's handle the linkstatus stuff */
1184 if (hw->link_status == hw->link_status_new)
1187 hw->link_status = hw->link_status_new;
1189 switch (hw->link_status) {
1190 case HFA384x_LINK_NOTCONNECTED:
1191 /* I'm currently assuming that this is the initial link
1192 * state. It should only be possible immediately
1193 * following an Enable command.
1195 * Block Transmits, Ignore receives of data frames
1197 netif_carrier_off(wlandev->netdev);
1199 netdev_info(wlandev->netdev, "linkstatus=NOTCONNECTED (unhandled)\n");
1202 case HFA384x_LINK_CONNECTED:
1203 /* This one indicates a successful scan/join/auth/assoc.
1204 * When we have the full MLME complement, this event will
1205 * signify successful completion of both mlme_authenticate
1206 * and mlme_associate. State management will get a little
1209 * Indicate authentication and/or association
1210 * Enable Transmits, Receives and pass up data frames
1213 netif_carrier_on(wlandev->netdev);
1215 /* If we are joining a specific AP, set our
1216 * state and reset retries
1218 if (hw->join_ap == 1)
1220 hw->join_retries = 60;
1222 /* Don't call this in monitor mode */
1223 if (wlandev->netdev->type == ARPHRD_ETHER) {
1226 netdev_info(wlandev->netdev, "linkstatus=CONNECTED\n");
1228 /* For non-usb devices, we can use the sync versions */
1229 /* Collect the BSSID, and set state to allow tx */
1231 result = hfa384x_drvr_getconfig(hw,
1232 HFA384x_RID_CURRENTBSSID,
1237 ("getconfig(0x%02x) failed, result = %d\n",
1238 HFA384x_RID_CURRENTBSSID, result);
1242 result = hfa384x_drvr_getconfig(hw,
1243 HFA384x_RID_CURRENTSSID,
1244 &ssid, sizeof(ssid));
1247 ("getconfig(0x%02x) failed, result = %d\n",
1248 HFA384x_RID_CURRENTSSID, result);
1251 prism2mgmt_bytestr2pstr(
1252 (struct hfa384x_bytestr *) &ssid,
1253 (p80211pstrd_t *) &wlandev->ssid);
1255 /* Collect the port status */
1256 result = hfa384x_drvr_getconfig16(hw,
1257 HFA384x_RID_PORTSTATUS,
1261 ("getconfig(0x%02x) failed, result = %d\n",
1262 HFA384x_RID_PORTSTATUS, result);
1266 (portstatus == HFA384x_PSTATUS_CONN_IBSS) ?
1267 WLAN_MACMODE_IBSS_STA : WLAN_MACMODE_ESS_STA;
1269 /* signal back up to cfg80211 layer */
1270 prism2_connect_result(wlandev, P80211ENUM_truth_false);
1272 /* Get the ball rolling on the comms quality stuff */
1273 prism2sta_commsqual_defer(&hw->commsqual_bh);
1277 case HFA384x_LINK_DISCONNECTED:
1278 /* This one indicates that our association is gone. We've
1279 * lost connection with the AP and/or been disassociated.
1280 * This indicates that the MAC has completely cleared it's
1281 * associated state. We * should send a deauth indication
1282 * (implying disassoc) up * to the MLME.
1284 * Indicate Deauthentication
1285 * Block Transmits, Ignore receives of data frames
1287 if (wlandev->netdev->type == ARPHRD_ETHER)
1288 netdev_info(wlandev->netdev,
1289 "linkstatus=DISCONNECTED (unhandled)\n");
1290 wlandev->macmode = WLAN_MACMODE_NONE;
1292 netif_carrier_off(wlandev->netdev);
1294 /* signal back up to cfg80211 layer */
1295 prism2_disconnected(wlandev);
1299 case HFA384x_LINK_AP_CHANGE:
1300 /* This one indicates that the MAC has decided to and
1301 * successfully completed a change to another AP. We
1302 * should probably implement a reassociation indication
1303 * in response to this one. I'm thinking that the the
1304 * p80211 layer needs to be notified in case of
1305 * buffering/queueing issues. User mode also needs to be
1306 * notified so that any BSS dependent elements can be
1308 * associated state. We * should send a deauth indication
1309 * (implying disassoc) up * to the MLME.
1311 * Indicate Reassociation
1312 * Enable Transmits, Receives and pass up data frames
1314 netdev_info(wlandev->netdev, "linkstatus=AP_CHANGE\n");
1316 result = hfa384x_drvr_getconfig(hw,
1317 HFA384x_RID_CURRENTBSSID,
1318 wlandev->bssid, WLAN_BSSID_LEN);
1320 pr_debug("getconfig(0x%02x) failed, result = %d\n",
1321 HFA384x_RID_CURRENTBSSID, result);
1325 result = hfa384x_drvr_getconfig(hw,
1326 HFA384x_RID_CURRENTSSID,
1327 &ssid, sizeof(ssid));
1329 pr_debug("getconfig(0x%02x) failed, result = %d\n",
1330 HFA384x_RID_CURRENTSSID, result);
1333 prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *) &ssid,
1334 (p80211pstrd_t *) &wlandev->ssid);
1336 hw->link_status = HFA384x_LINK_CONNECTED;
1337 netif_carrier_on(wlandev->netdev);
1339 /* signal back up to cfg80211 layer */
1340 prism2_roamed(wlandev);
1344 case HFA384x_LINK_AP_OUTOFRANGE:
1345 /* This one indicates that the MAC has decided that the
1346 * AP is out of range, but hasn't found a better candidate
1347 * so the MAC maintains its "associated" state in case
1348 * we get back in range. We should block transmits and
1349 * receives in this state. Do we need an indication here?
1350 * Probably not since a polling user-mode element would
1351 * get this status from from p2PortStatus(FD40). What about
1354 * Block Transmits, Ignore receives of data frames
1356 netdev_info(wlandev->netdev, "linkstatus=AP_OUTOFRANGE (unhandled)\n");
1358 netif_carrier_off(wlandev->netdev);
1362 case HFA384x_LINK_AP_INRANGE:
1363 /* This one indicates that the MAC has decided that the
1364 * AP is back in range. We continue working with our
1365 * existing association.
1367 * Enable Transmits, Receives and pass up data frames
1369 netdev_info(wlandev->netdev, "linkstatus=AP_INRANGE\n");
1371 hw->link_status = HFA384x_LINK_CONNECTED;
1372 netif_carrier_on(wlandev->netdev);
1376 case HFA384x_LINK_ASSOCFAIL:
1377 /* This one is actually a peer to CONNECTED. We've
1378 * requested a join for a given SSID and optionally BSSID.
1379 * We can use this one to indicate authentication and
1380 * association failures. The trick is going to be
1381 * 1) identifying the failure, and 2) state management.
1383 * Disable Transmits, Ignore receives of data frames
1385 if (hw->join_ap && --hw->join_retries > 0) {
1386 hfa384x_JoinRequest_data_t joinreq;
1388 joinreq = hw->joinreq;
1389 /* Send the join request */
1390 hfa384x_drvr_setconfig(hw,
1391 HFA384x_RID_JOINREQUEST,
1393 HFA384x_RID_JOINREQUEST_LEN);
1394 netdev_info(wlandev->netdev,
1395 "linkstatus=ASSOCFAIL (re-submitting join)\n");
1397 netdev_info(wlandev->netdev, "linkstatus=ASSOCFAIL (unhandled)\n");
1400 netif_carrier_off(wlandev->netdev);
1402 /* signal back up to cfg80211 layer */
1403 prism2_connect_result(wlandev, P80211ENUM_truth_true);
1408 /* This is bad, IO port problems? */
1409 netdev_warn(wlandev->netdev,
1410 "unknown linkstatus=0x%02x\n", hw->link_status);
1414 wlandev->linkstatus = (hw->link_status == HFA384x_LINK_CONNECTED);
1417 /*----------------------------------------------------------------
1418 * prism2sta_inf_linkstatus
1420 * Handles the receipt of a Link Status info frame.
1423 * wlandev wlan device structure
1424 * inf ptr to info frame (contents in hfa384x order)
1433 ----------------------------------------------------------------*/
1434 static void prism2sta_inf_linkstatus(wlandevice_t *wlandev,
1435 hfa384x_InfFrame_t *inf)
1437 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1439 hw->link_status_new = le16_to_cpu(inf->info.linkstatus.linkstatus);
1441 schedule_work(&hw->link_bh);
1444 /*----------------------------------------------------------------
1445 * prism2sta_inf_assocstatus
1447 * Handles the receipt of an Association Status info frame. Should
1448 * be present in APs only.
1451 * wlandev wlan device structure
1452 * inf ptr to info frame (contents in hfa384x order)
1461 ----------------------------------------------------------------*/
1462 static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
1463 hfa384x_InfFrame_t *inf)
1465 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1466 hfa384x_AssocStatus_t rec;
1469 memcpy(&rec, &inf->info.assocstatus, sizeof(rec));
1470 rec.assocstatus = le16_to_cpu(rec.assocstatus);
1471 rec.reason = le16_to_cpu(rec.reason);
1474 ** Find the address in the list of authenticated stations.
1475 ** If it wasn't found, then this address has not been previously
1476 ** authenticated and something weird has happened if this is
1477 ** anything other than an "authentication failed" message.
1478 ** If the address was found, then set the "associated" flag for
1479 ** that station, based on whether the station is associating or
1480 ** losing its association. Something weird has also happened
1481 ** if we find the address in the list of authenticated stations
1482 ** but we are getting an "authentication failed" message.
1485 for (i = 0; i < hw->authlist.cnt; i++)
1486 if (memcmp(rec.sta_addr, hw->authlist.addr[i], ETH_ALEN) == 0)
1489 if (i >= hw->authlist.cnt) {
1490 if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL)
1491 netdev_warn(wlandev->netdev,
1492 "assocstatus info frame received for non-authenticated station.\n");
1494 hw->authlist.assoc[i] =
1495 (rec.assocstatus == HFA384x_ASSOCSTATUS_STAASSOC ||
1496 rec.assocstatus == HFA384x_ASSOCSTATUS_REASSOC);
1498 if (rec.assocstatus == HFA384x_ASSOCSTATUS_AUTHFAIL)
1499 netdev_warn(wlandev->netdev,
1500 "authfail assocstatus info frame received for authenticated station.\n");
1504 /*----------------------------------------------------------------
1505 * prism2sta_inf_authreq
1507 * Handles the receipt of an Authentication Request info frame. Should
1508 * be present in APs only.
1511 * wlandev wlan device structure
1512 * inf ptr to info frame (contents in hfa384x order)
1522 ----------------------------------------------------------------*/
1523 static void prism2sta_inf_authreq(wlandevice_t *wlandev,
1524 hfa384x_InfFrame_t *inf)
1526 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1527 struct sk_buff *skb;
1529 skb = dev_alloc_skb(sizeof(*inf));
1531 skb_put(skb, sizeof(*inf));
1532 memcpy(skb->data, inf, sizeof(*inf));
1533 skb_queue_tail(&hw->authq, skb);
1534 schedule_work(&hw->link_bh);
1538 static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev,
1539 hfa384x_InfFrame_t *inf)
1541 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1542 hfa384x_authenticateStation_data_t rec;
1544 int i, added, result, cnt;
1548 ** Build the AuthenticateStation record. Initialize it for denying
1552 ether_addr_copy(rec.address, inf->info.authreq.sta_addr);
1553 rec.status = P80211ENUM_status_unspec_failure;
1556 ** Authenticate based on the access mode.
1559 switch (hw->accessmode) {
1560 case WLAN_ACCESS_NONE:
1563 ** Deny all new authentications. However, if a station
1564 ** is ALREADY authenticated, then accept it.
1567 for (i = 0; i < hw->authlist.cnt; i++)
1568 if (memcmp(rec.address, hw->authlist.addr[i],
1570 rec.status = P80211ENUM_status_successful;
1576 case WLAN_ACCESS_ALL:
1579 ** Allow all authentications.
1582 rec.status = P80211ENUM_status_successful;
1585 case WLAN_ACCESS_ALLOW:
1588 ** Only allow the authentication if the MAC address
1589 ** is in the list of allowed addresses.
1591 ** Since this is the interrupt handler, we may be here
1592 ** while the access list is in the middle of being
1593 ** updated. Choose the list which is currently okay.
1594 ** See "prism2mib_priv_accessallow()" for details.
1597 if (hw->allow.modify == 0) {
1598 cnt = hw->allow.cnt;
1599 addr = hw->allow.addr[0];
1601 cnt = hw->allow.cnt1;
1602 addr = hw->allow.addr1[0];
1605 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1606 if (memcmp(rec.address, addr, ETH_ALEN) == 0) {
1607 rec.status = P80211ENUM_status_successful;
1613 case WLAN_ACCESS_DENY:
1616 ** Allow the authentication UNLESS the MAC address is
1617 ** in the list of denied addresses.
1619 ** Since this is the interrupt handler, we may be here
1620 ** while the access list is in the middle of being
1621 ** updated. Choose the list which is currently okay.
1622 ** See "prism2mib_priv_accessdeny()" for details.
1625 if (hw->deny.modify == 0) {
1627 addr = hw->deny.addr[0];
1629 cnt = hw->deny.cnt1;
1630 addr = hw->deny.addr1[0];
1633 rec.status = P80211ENUM_status_successful;
1635 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1636 if (memcmp(rec.address, addr, ETH_ALEN) == 0) {
1637 rec.status = P80211ENUM_status_unspec_failure;
1645 ** If the authentication is okay, then add the MAC address to the
1646 ** list of authenticated stations. Don't add the address if it
1647 ** is already in the list. (802.11b does not seem to disallow
1648 ** a station from issuing an authentication request when the
1649 ** station is already authenticated. Does this sort of thing
1650 ** ever happen? We might as well do the check just in case.)
1655 if (rec.status == P80211ENUM_status_successful) {
1656 for (i = 0; i < hw->authlist.cnt; i++)
1657 if (memcmp(rec.address, hw->authlist.addr[i], ETH_ALEN)
1661 if (i >= hw->authlist.cnt) {
1662 if (hw->authlist.cnt >= WLAN_AUTH_MAX) {
1663 rec.status = P80211ENUM_status_ap_full;
1666 hw->authlist.addr[hw->authlist.cnt],
1675 ** Send back the results of the authentication. If this doesn't work,
1676 ** then make sure to remove the address from the authenticated list if
1680 rec.status = cpu_to_le16(rec.status);
1681 rec.algorithm = inf->info.authreq.algorithm;
1683 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_AUTHENTICATESTA,
1688 netdev_err(wlandev->netdev,
1689 "setconfig(authenticatestation) failed, result=%d\n",
1694 /*----------------------------------------------------------------
1695 * prism2sta_inf_psusercnt
1697 * Handles the receipt of a PowerSaveUserCount info frame. Should
1698 * be present in APs only.
1701 * wlandev wlan device structure
1702 * inf ptr to info frame (contents in hfa384x order)
1711 ----------------------------------------------------------------*/
1712 static void prism2sta_inf_psusercnt(wlandevice_t *wlandev,
1713 hfa384x_InfFrame_t *inf)
1715 hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1717 hw->psusercount = le16_to_cpu(inf->info.psusercnt.usercnt);
1720 /*----------------------------------------------------------------
1723 * Handles the Info event.
1726 * wlandev wlan device structure
1727 * inf ptr to a generic info frame
1736 ----------------------------------------------------------------*/
1737 void prism2sta_ev_info(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf)
1739 inf->infotype = le16_to_cpu(inf->infotype);
1741 switch (inf->infotype) {
1742 case HFA384x_IT_HANDOVERADDR:
1743 prism2sta_inf_handover(wlandev, inf);
1745 case HFA384x_IT_COMMTALLIES:
1746 prism2sta_inf_tallies(wlandev, inf);
1748 case HFA384x_IT_HOSTSCANRESULTS:
1749 prism2sta_inf_hostscanresults(wlandev, inf);
1751 case HFA384x_IT_SCANRESULTS:
1752 prism2sta_inf_scanresults(wlandev, inf);
1754 case HFA384x_IT_CHINFORESULTS:
1755 prism2sta_inf_chinforesults(wlandev, inf);
1757 case HFA384x_IT_LINKSTATUS:
1758 prism2sta_inf_linkstatus(wlandev, inf);
1760 case HFA384x_IT_ASSOCSTATUS:
1761 prism2sta_inf_assocstatus(wlandev, inf);
1763 case HFA384x_IT_AUTHREQ:
1764 prism2sta_inf_authreq(wlandev, inf);
1766 case HFA384x_IT_PSUSERCNT:
1767 prism2sta_inf_psusercnt(wlandev, inf);
1769 case HFA384x_IT_KEYIDCHANGED:
1770 netdev_warn(wlandev->netdev, "Unhandled IT_KEYIDCHANGED\n");
1772 case HFA384x_IT_ASSOCREQ:
1773 netdev_warn(wlandev->netdev, "Unhandled IT_ASSOCREQ\n");
1775 case HFA384x_IT_MICFAILURE:
1776 netdev_warn(wlandev->netdev, "Unhandled IT_MICFAILURE\n");
1779 netdev_warn(wlandev->netdev,
1780 "Unknown info type=0x%02x\n", inf->infotype);
1785 /*----------------------------------------------------------------
1786 * prism2sta_ev_txexc
1788 * Handles the TxExc event. A Transmit Exception event indicates
1789 * that the MAC's TX process was unsuccessful - so the packet did
1790 * not get transmitted.
1793 * wlandev wlan device structure
1794 * status tx frame status word
1803 ----------------------------------------------------------------*/
1804 void prism2sta_ev_txexc(wlandevice_t *wlandev, u16 status)
1806 pr_debug("TxExc status=0x%x.\n", status);
1809 /*----------------------------------------------------------------
1812 * Handles the Tx event.
1815 * wlandev wlan device structure
1816 * status tx frame status word
1824 ----------------------------------------------------------------*/
1825 void prism2sta_ev_tx(wlandevice_t *wlandev, u16 status)
1827 pr_debug("Tx Complete, status=0x%04x\n", status);
1828 /* update linux network stats */
1829 wlandev->netdev->stats.tx_packets++;
1832 /*----------------------------------------------------------------
1835 * Handles the Rx event.
1838 * wlandev wlan device structure
1847 ----------------------------------------------------------------*/
1848 void prism2sta_ev_rx(wlandevice_t *wlandev, struct sk_buff *skb)
1850 p80211netdev_rx(wlandev, skb);
1853 /*----------------------------------------------------------------
1854 * prism2sta_ev_alloc
1856 * Handles the Alloc event.
1859 * wlandev wlan device structure
1868 ----------------------------------------------------------------*/
1869 void prism2sta_ev_alloc(wlandevice_t *wlandev)
1871 netif_wake_queue(wlandev->netdev);
1874 /*----------------------------------------------------------------
1877 * Called at module init time. This creates the wlandevice_t structure
1878 * and initializes it with relevant bits.
1884 * the created wlandevice_t structure.
1887 * also allocates the priv/hw structures.
1892 ----------------------------------------------------------------*/
1893 static wlandevice_t *create_wlan(void)
1895 wlandevice_t *wlandev = NULL;
1896 hfa384x_t *hw = NULL;
1898 /* Alloc our structures */
1899 wlandev = kzalloc(sizeof(wlandevice_t), GFP_KERNEL);
1900 hw = kzalloc(sizeof(hfa384x_t), GFP_KERNEL);
1902 if (!wlandev || !hw) {
1903 pr_err("%s: Memory allocation failure.\n", dev_info);
1909 /* Initialize the network device object. */
1910 wlandev->nsdname = dev_info;
1911 wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
1913 wlandev->open = prism2sta_open;
1914 wlandev->close = prism2sta_close;
1915 wlandev->reset = prism2sta_reset;
1916 wlandev->txframe = prism2sta_txframe;
1917 wlandev->mlmerequest = prism2sta_mlmerequest;
1918 wlandev->set_multicast_list = prism2sta_setmulticast;
1919 wlandev->tx_timeout = hfa384x_tx_timeout;
1921 wlandev->nsdcaps = P80211_NSDCAP_HWFRAGMENT | P80211_NSDCAP_AUTOJOIN;
1923 /* Initialize the device private data structure. */
1924 hw->dot11_desired_bss_type = 1;
1929 void prism2sta_commsqual_defer(struct work_struct *data)
1931 hfa384x_t *hw = container_of(data, struct hfa384x, commsqual_bh);
1932 wlandevice_t *wlandev = hw->wlandev;
1933 hfa384x_bytestr32_t ssid;
1934 struct p80211msg_dot11req_mibget msg;
1935 p80211item_uint32_t *mibitem = (p80211item_uint32_t *)
1936 &msg.mibattribute.data;
1939 if (hw->wlandev->hwremoved)
1942 /* we don't care if we're in AP mode */
1943 if ((wlandev->macmode == WLAN_MACMODE_NONE) ||
1944 (wlandev->macmode == WLAN_MACMODE_ESS_AP)) {
1948 /* It only makes sense to poll these in non-IBSS */
1949 if (wlandev->macmode != WLAN_MACMODE_IBSS_STA) {
1950 result = hfa384x_drvr_getconfig(
1951 hw, HFA384x_RID_DBMCOMMSQUALITY,
1952 &hw->qual, HFA384x_RID_DBMCOMMSQUALITY_LEN);
1955 netdev_err(wlandev->netdev, "error fetching commsqual\n");
1959 pr_debug("commsqual %d %d %d\n",
1960 le16_to_cpu(hw->qual.CQ_currBSS),
1961 le16_to_cpu(hw->qual.ASL_currBSS),
1962 le16_to_cpu(hw->qual.ANL_currFC));
1965 /* Get the signal rate */
1966 msg.msgcode = DIDmsg_dot11req_mibget;
1967 mibitem->did = DIDmib_p2_p2MAC_p2CurrentTxRate;
1968 result = p80211req_dorequest(wlandev, (u8 *) &msg);
1971 pr_debug("get signal rate failed, result = %d\n",
1976 switch (mibitem->data) {
1977 case HFA384x_RATEBIT_1:
1980 case HFA384x_RATEBIT_2:
1983 case HFA384x_RATEBIT_5dot5:
1986 case HFA384x_RATEBIT_11:
1990 pr_debug("Bad ratebit (%d)\n", mibitem->data);
1993 /* Lastly, we need to make sure the BSSID didn't change on us */
1994 result = hfa384x_drvr_getconfig(hw,
1995 HFA384x_RID_CURRENTBSSID,
1996 wlandev->bssid, WLAN_BSSID_LEN);
1998 pr_debug("getconfig(0x%02x) failed, result = %d\n",
1999 HFA384x_RID_CURRENTBSSID, result);
2003 result = hfa384x_drvr_getconfig(hw,
2004 HFA384x_RID_CURRENTSSID,
2005 &ssid, sizeof(ssid));
2007 pr_debug("getconfig(0x%02x) failed, result = %d\n",
2008 HFA384x_RID_CURRENTSSID, result);
2011 prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *) &ssid,
2012 (p80211pstrd_t *) &wlandev->ssid);
2014 /* Reschedule timer */
2015 mod_timer(&hw->commsqual_timer, jiffies + HZ);
2018 void prism2sta_commsqual_timer(unsigned long data)
2020 hfa384x_t *hw = (hfa384x_t *) data;
2022 schedule_work(&hw->commsqual_bh);