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/moduleparam.h>
55 #include <linux/kernel.h>
56 #include <linux/sched.h>
57 #include <linux/types.h>
58 #include <linux/slab.h>
59 #include <linux/wireless.h>
60 #include <linux/netdevice.h>
61 #include <linux/workqueue.h>
62 #include <linux/byteorder/generic.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", (int)result
);
433 P80211ENUM_resultcode_implementation_failure
;
434 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
437 wlandev
->msdstate
= WLAN_MSD_FWLOAD
;
438 result
= P80211ENUM_resultcode_success
;
440 case WLAN_MSD_FWLOAD
:
441 hfa384x_cmd_initialize(hw
);
442 result
= P80211ENUM_resultcode_success
;
444 case WLAN_MSD_RUNNING
:
445 netdev_warn(wlandev
->netdev
,
446 "Cannot enter fwload state from enable state, you must disable first.\n");
447 result
= P80211ENUM_resultcode_invalid_parameters
;
449 case WLAN_MSD_HWFAIL
:
451 /* probe() had a problem or the msdstate contains
452 * an unrecognized value, there's nothing we can do.
454 result
= P80211ENUM_resultcode_implementation_failure
;
458 case P80211ENUM_ifstate_enable
:
459 switch (wlandev
->msdstate
) {
460 case WLAN_MSD_HWPRESENT
:
461 case WLAN_MSD_FWLOAD
:
462 wlandev
->msdstate
= WLAN_MSD_RUNNING_PENDING
;
463 /* Initialize the device+driver for full
464 * operation. Note that this might me an FWLOAD to
465 * to RUNNING transition so we must not do a chip
466 * or board level reset. Note that on failure,
467 * the MSD state is set to HWPRESENT because we
468 * can't make any assumptions about the state
469 * of the hardware or a previous firmware load.
471 result
= hfa384x_drvr_start(hw
);
473 netdev_err(wlandev
->netdev
,
474 "hfa384x_drvr_start() failed,result=%d\n", (int)result
);
476 P80211ENUM_resultcode_implementation_failure
;
477 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
481 result
= prism2sta_getcardinfo(wlandev
);
483 netdev_err(wlandev
->netdev
,
484 "prism2sta_getcardinfo() failed,result=%d\n", (int)result
);
486 P80211ENUM_resultcode_implementation_failure
;
487 hfa384x_drvr_stop(hw
);
488 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
491 result
= prism2sta_globalsetup(wlandev
);
493 netdev_err(wlandev
->netdev
,
494 "prism2sta_globalsetup() failed,result=%d\n", (int)result
);
496 P80211ENUM_resultcode_implementation_failure
;
497 hfa384x_drvr_stop(hw
);
498 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
501 wlandev
->msdstate
= WLAN_MSD_RUNNING
;
503 hw
->join_retries
= 60;
504 result
= P80211ENUM_resultcode_success
;
506 case WLAN_MSD_RUNNING
:
507 /* Do nothing, we're already in this state. */
508 result
= P80211ENUM_resultcode_success
;
510 case WLAN_MSD_HWFAIL
:
512 /* probe() had a problem or the msdstate contains
513 * an unrecognized value, there's nothing we can do.
515 result
= P80211ENUM_resultcode_implementation_failure
;
519 case P80211ENUM_ifstate_disable
:
520 switch (wlandev
->msdstate
) {
521 case WLAN_MSD_HWPRESENT
:
522 /* Do nothing, we're already in this state. */
523 result
= P80211ENUM_resultcode_success
;
525 case WLAN_MSD_FWLOAD
:
526 case WLAN_MSD_RUNNING
:
527 wlandev
->msdstate
= WLAN_MSD_HWPRESENT_PENDING
;
529 * TODO: Shut down the MAC completely. Here a chip
530 * or board level reset is probably called for.
531 * After a "disable" _all_ results are lost, even
532 * those from a fwload.
534 if (!wlandev
->hwremoved
)
535 netif_carrier_off(wlandev
->netdev
);
537 hfa384x_drvr_stop(hw
);
539 wlandev
->macmode
= WLAN_MACMODE_NONE
;
540 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
541 result
= P80211ENUM_resultcode_success
;
543 case WLAN_MSD_HWFAIL
:
545 /* probe() had a problem or the msdstate contains
546 * an unrecognized value, there's nothing we can do.
548 result
= P80211ENUM_resultcode_implementation_failure
;
553 result
= P80211ENUM_resultcode_invalid_parameters
;
560 /*----------------------------------------------------------------
561 * prism2sta_getcardinfo
563 * Collect the NICID, firmware version and any other identifiers
564 * we'd like to have in host-side data structures.
567 * wlandev wlan device structure
571 * >0 f/w reported error
572 * <0 driver reported error
578 ----------------------------------------------------------------*/
579 static int prism2sta_getcardinfo(wlandevice_t
*wlandev
)
582 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
584 u8 snum
[HFA384x_RID_NICSERIALNUMBER_LEN
];
586 /* Collect version and compatibility info */
587 /* Some are critical, some are not */
589 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_NICIDENTITY
,
591 sizeof(hfa384x_compident_t
));
593 netdev_err(wlandev
->netdev
, "Failed to retrieve NICIDENTITY\n");
597 /* get all the nic id fields in host byte order */
598 hw
->ident_nic
.id
= le16_to_cpu(hw
->ident_nic
.id
);
599 hw
->ident_nic
.variant
= le16_to_cpu(hw
->ident_nic
.variant
);
600 hw
->ident_nic
.major
= le16_to_cpu(hw
->ident_nic
.major
);
601 hw
->ident_nic
.minor
= le16_to_cpu(hw
->ident_nic
.minor
);
603 netdev_info(wlandev
->netdev
, "ident: nic h/w: id=0x%02x %d.%d.%d\n",
604 hw
->ident_nic
.id
, hw
->ident_nic
.major
,
605 hw
->ident_nic
.minor
, hw
->ident_nic
.variant
);
607 /* Primary f/w identity */
608 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_PRIIDENTITY
,
610 sizeof(hfa384x_compident_t
));
612 netdev_err(wlandev
->netdev
, "Failed to retrieve PRIIDENTITY\n");
616 /* get all the private fw id fields in host byte order */
617 hw
->ident_pri_fw
.id
= le16_to_cpu(hw
->ident_pri_fw
.id
);
618 hw
->ident_pri_fw
.variant
= le16_to_cpu(hw
->ident_pri_fw
.variant
);
619 hw
->ident_pri_fw
.major
= le16_to_cpu(hw
->ident_pri_fw
.major
);
620 hw
->ident_pri_fw
.minor
= le16_to_cpu(hw
->ident_pri_fw
.minor
);
622 netdev_info(wlandev
->netdev
, "ident: pri f/w: id=0x%02x %d.%d.%d\n",
623 hw
->ident_pri_fw
.id
, hw
->ident_pri_fw
.major
,
624 hw
->ident_pri_fw
.minor
, hw
->ident_pri_fw
.variant
);
626 /* Station (Secondary?) f/w identity */
627 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_STAIDENTITY
,
629 sizeof(hfa384x_compident_t
));
631 netdev_err(wlandev
->netdev
, "Failed to retrieve STAIDENTITY\n");
635 if (hw
->ident_nic
.id
< 0x8000) {
636 netdev_err(wlandev
->netdev
,
637 "FATAL: Card is not an Intersil Prism2/2.5/3\n");
642 /* get all the station fw id fields in host byte order */
643 hw
->ident_sta_fw
.id
= le16_to_cpu(hw
->ident_sta_fw
.id
);
644 hw
->ident_sta_fw
.variant
= le16_to_cpu(hw
->ident_sta_fw
.variant
);
645 hw
->ident_sta_fw
.major
= le16_to_cpu(hw
->ident_sta_fw
.major
);
646 hw
->ident_sta_fw
.minor
= le16_to_cpu(hw
->ident_sta_fw
.minor
);
648 /* strip out the 'special' variant bits */
649 hw
->mm_mods
= hw
->ident_sta_fw
.variant
& (BIT(14) | BIT(15));
650 hw
->ident_sta_fw
.variant
&= ~((u16
) (BIT(14) | BIT(15)));
652 if (hw
->ident_sta_fw
.id
== 0x1f) {
653 netdev_info(wlandev
->netdev
,
654 "ident: sta f/w: id=0x%02x %d.%d.%d\n",
655 hw
->ident_sta_fw
.id
, hw
->ident_sta_fw
.major
,
656 hw
->ident_sta_fw
.minor
, hw
->ident_sta_fw
.variant
);
658 netdev_info(wlandev
->netdev
,
659 "ident: ap f/w: id=0x%02x %d.%d.%d\n",
660 hw
->ident_sta_fw
.id
, hw
->ident_sta_fw
.major
,
661 hw
->ident_sta_fw
.minor
, hw
->ident_sta_fw
.variant
);
662 netdev_err(wlandev
->netdev
, "Unsupported Tertiary AP firmware loaded!\n");
666 /* Compatibility range, Modem supplier */
667 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_MFISUPRANGE
,
669 sizeof(hfa384x_caplevel_t
));
671 netdev_err(wlandev
->netdev
, "Failed to retrieve MFISUPRANGE\n");
675 /* get all the Compatibility range, modem interface supplier
676 fields in byte order */
677 hw
->cap_sup_mfi
.role
= le16_to_cpu(hw
->cap_sup_mfi
.role
);
678 hw
->cap_sup_mfi
.id
= le16_to_cpu(hw
->cap_sup_mfi
.id
);
679 hw
->cap_sup_mfi
.variant
= le16_to_cpu(hw
->cap_sup_mfi
.variant
);
680 hw
->cap_sup_mfi
.bottom
= le16_to_cpu(hw
->cap_sup_mfi
.bottom
);
681 hw
->cap_sup_mfi
.top
= le16_to_cpu(hw
->cap_sup_mfi
.top
);
683 netdev_info(wlandev
->netdev
,
684 "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
685 hw
->cap_sup_mfi
.role
, hw
->cap_sup_mfi
.id
,
686 hw
->cap_sup_mfi
.variant
, hw
->cap_sup_mfi
.bottom
,
687 hw
->cap_sup_mfi
.top
);
689 /* Compatibility range, Controller supplier */
690 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_CFISUPRANGE
,
692 sizeof(hfa384x_caplevel_t
));
694 netdev_err(wlandev
->netdev
, "Failed to retrieve CFISUPRANGE\n");
698 /* get all the Compatibility range, controller interface supplier
699 fields in byte order */
700 hw
->cap_sup_cfi
.role
= le16_to_cpu(hw
->cap_sup_cfi
.role
);
701 hw
->cap_sup_cfi
.id
= le16_to_cpu(hw
->cap_sup_cfi
.id
);
702 hw
->cap_sup_cfi
.variant
= le16_to_cpu(hw
->cap_sup_cfi
.variant
);
703 hw
->cap_sup_cfi
.bottom
= le16_to_cpu(hw
->cap_sup_cfi
.bottom
);
704 hw
->cap_sup_cfi
.top
= le16_to_cpu(hw
->cap_sup_cfi
.top
);
706 netdev_info(wlandev
->netdev
,
707 "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
708 hw
->cap_sup_cfi
.role
, hw
->cap_sup_cfi
.id
,
709 hw
->cap_sup_cfi
.variant
, hw
->cap_sup_cfi
.bottom
,
710 hw
->cap_sup_cfi
.top
);
712 /* Compatibility range, Primary f/w supplier */
713 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_PRISUPRANGE
,
715 sizeof(hfa384x_caplevel_t
));
717 netdev_err(wlandev
->netdev
, "Failed to retrieve PRISUPRANGE\n");
721 /* get all the Compatibility range, primary firmware supplier
722 fields in byte order */
723 hw
->cap_sup_pri
.role
= le16_to_cpu(hw
->cap_sup_pri
.role
);
724 hw
->cap_sup_pri
.id
= le16_to_cpu(hw
->cap_sup_pri
.id
);
725 hw
->cap_sup_pri
.variant
= le16_to_cpu(hw
->cap_sup_pri
.variant
);
726 hw
->cap_sup_pri
.bottom
= le16_to_cpu(hw
->cap_sup_pri
.bottom
);
727 hw
->cap_sup_pri
.top
= le16_to_cpu(hw
->cap_sup_pri
.top
);
729 netdev_info(wlandev
->netdev
,
730 "PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
731 hw
->cap_sup_pri
.role
, hw
->cap_sup_pri
.id
,
732 hw
->cap_sup_pri
.variant
, hw
->cap_sup_pri
.bottom
,
733 hw
->cap_sup_pri
.top
);
735 /* Compatibility range, Station f/w supplier */
736 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_STASUPRANGE
,
738 sizeof(hfa384x_caplevel_t
));
740 netdev_err(wlandev
->netdev
, "Failed to retrieve STASUPRANGE\n");
744 /* get all the Compatibility range, station firmware supplier
745 fields in byte order */
746 hw
->cap_sup_sta
.role
= le16_to_cpu(hw
->cap_sup_sta
.role
);
747 hw
->cap_sup_sta
.id
= le16_to_cpu(hw
->cap_sup_sta
.id
);
748 hw
->cap_sup_sta
.variant
= le16_to_cpu(hw
->cap_sup_sta
.variant
);
749 hw
->cap_sup_sta
.bottom
= le16_to_cpu(hw
->cap_sup_sta
.bottom
);
750 hw
->cap_sup_sta
.top
= le16_to_cpu(hw
->cap_sup_sta
.top
);
752 if (hw
->cap_sup_sta
.id
== 0x04) {
753 netdev_info(wlandev
->netdev
,
754 "STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
755 hw
->cap_sup_sta
.role
, hw
->cap_sup_sta
.id
,
756 hw
->cap_sup_sta
.variant
, hw
->cap_sup_sta
.bottom
,
757 hw
->cap_sup_sta
.top
);
759 netdev_info(wlandev
->netdev
,
760 "AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
761 hw
->cap_sup_sta
.role
, hw
->cap_sup_sta
.id
,
762 hw
->cap_sup_sta
.variant
, hw
->cap_sup_sta
.bottom
,
763 hw
->cap_sup_sta
.top
);
766 /* Compatibility range, primary f/w actor, CFI supplier */
767 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_PRI_CFIACTRANGES
,
768 &hw
->cap_act_pri_cfi
,
769 sizeof(hfa384x_caplevel_t
));
771 netdev_err(wlandev
->netdev
, "Failed to retrieve PRI_CFIACTRANGES\n");
775 /* get all the Compatibility range, primary f/w actor, CFI supplier
776 fields in byte order */
777 hw
->cap_act_pri_cfi
.role
= le16_to_cpu(hw
->cap_act_pri_cfi
.role
);
778 hw
->cap_act_pri_cfi
.id
= le16_to_cpu(hw
->cap_act_pri_cfi
.id
);
779 hw
->cap_act_pri_cfi
.variant
= le16_to_cpu(hw
->cap_act_pri_cfi
.variant
);
780 hw
->cap_act_pri_cfi
.bottom
= le16_to_cpu(hw
->cap_act_pri_cfi
.bottom
);
781 hw
->cap_act_pri_cfi
.top
= le16_to_cpu(hw
->cap_act_pri_cfi
.top
);
783 netdev_info(wlandev
->netdev
,
784 "PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
785 hw
->cap_act_pri_cfi
.role
, hw
->cap_act_pri_cfi
.id
,
786 hw
->cap_act_pri_cfi
.variant
, hw
->cap_act_pri_cfi
.bottom
,
787 hw
->cap_act_pri_cfi
.top
);
789 /* Compatibility range, sta f/w actor, CFI supplier */
790 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_STA_CFIACTRANGES
,
791 &hw
->cap_act_sta_cfi
,
792 sizeof(hfa384x_caplevel_t
));
794 netdev_err(wlandev
->netdev
, "Failed to retrieve STA_CFIACTRANGES\n");
798 /* get all the Compatibility range, station f/w actor, CFI supplier
799 fields in byte order */
800 hw
->cap_act_sta_cfi
.role
= le16_to_cpu(hw
->cap_act_sta_cfi
.role
);
801 hw
->cap_act_sta_cfi
.id
= le16_to_cpu(hw
->cap_act_sta_cfi
.id
);
802 hw
->cap_act_sta_cfi
.variant
= le16_to_cpu(hw
->cap_act_sta_cfi
.variant
);
803 hw
->cap_act_sta_cfi
.bottom
= le16_to_cpu(hw
->cap_act_sta_cfi
.bottom
);
804 hw
->cap_act_sta_cfi
.top
= le16_to_cpu(hw
->cap_act_sta_cfi
.top
);
806 netdev_info(wlandev
->netdev
,
807 "STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
808 hw
->cap_act_sta_cfi
.role
, hw
->cap_act_sta_cfi
.id
,
809 hw
->cap_act_sta_cfi
.variant
, hw
->cap_act_sta_cfi
.bottom
,
810 hw
->cap_act_sta_cfi
.top
);
812 /* Compatibility range, sta f/w actor, MFI supplier */
813 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_STA_MFIACTRANGES
,
814 &hw
->cap_act_sta_mfi
,
815 sizeof(hfa384x_caplevel_t
));
817 netdev_err(wlandev
->netdev
, "Failed to retrieve STA_MFIACTRANGES\n");
821 /* get all the Compatibility range, station f/w actor, MFI supplier
822 fields in byte order */
823 hw
->cap_act_sta_mfi
.role
= le16_to_cpu(hw
->cap_act_sta_mfi
.role
);
824 hw
->cap_act_sta_mfi
.id
= le16_to_cpu(hw
->cap_act_sta_mfi
.id
);
825 hw
->cap_act_sta_mfi
.variant
= le16_to_cpu(hw
->cap_act_sta_mfi
.variant
);
826 hw
->cap_act_sta_mfi
.bottom
= le16_to_cpu(hw
->cap_act_sta_mfi
.bottom
);
827 hw
->cap_act_sta_mfi
.top
= le16_to_cpu(hw
->cap_act_sta_mfi
.top
);
829 netdev_info(wlandev
->netdev
,
830 "STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
831 hw
->cap_act_sta_mfi
.role
, hw
->cap_act_sta_mfi
.id
,
832 hw
->cap_act_sta_mfi
.variant
, hw
->cap_act_sta_mfi
.bottom
,
833 hw
->cap_act_sta_mfi
.top
);
836 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_NICSERIALNUMBER
,
837 snum
, HFA384x_RID_NICSERIALNUMBER_LEN
);
839 netdev_info(wlandev
->netdev
, "Prism2 card SN: %*pEhp\n",
840 HFA384x_RID_NICSERIALNUMBER_LEN
, snum
);
842 netdev_err(wlandev
->netdev
, "Failed to retrieve Prism2 Card SN\n");
846 /* Collect the MAC address */
847 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_CNFOWNMACADDR
,
848 wlandev
->netdev
->dev_addr
, ETH_ALEN
);
850 netdev_err(wlandev
->netdev
, "Failed to retrieve mac address\n");
854 /* short preamble is always implemented */
855 wlandev
->nsdcaps
|= P80211_NSDCAP_SHORT_PREAMBLE
;
857 /* find out if hardware wep is implemented */
858 hfa384x_drvr_getconfig16(hw
, HFA384x_RID_PRIVACYOPTIMP
, &temp
);
860 wlandev
->nsdcaps
|= P80211_NSDCAP_HARDWAREWEP
;
862 /* get the dBm Scaling constant */
863 hfa384x_drvr_getconfig16(hw
, HFA384x_RID_CNFDBMADJUST
, &temp
);
864 hw
->dbmadjust
= temp
;
866 /* Only enable scan by default on newer firmware */
867 if (HFA384x_FIRMWARE_VERSION(hw
->ident_sta_fw
.major
,
868 hw
->ident_sta_fw
.minor
,
869 hw
->ident_sta_fw
.variant
) <
870 HFA384x_FIRMWARE_VERSION(1, 5, 5)) {
871 wlandev
->nsdcaps
|= P80211_NSDCAP_NOSCAN
;
874 /* TODO: Set any internally managed config items */
878 netdev_err(wlandev
->netdev
, "Failed, result=%d\n", result
);
883 /*----------------------------------------------------------------
884 * prism2sta_globalsetup
886 * Set any global RIDs that we want to set at device activation.
889 * wlandev wlan device structure
893 * >0 f/w reported error
894 * <0 driver reported error
900 ----------------------------------------------------------------*/
901 static int prism2sta_globalsetup(wlandevice_t
*wlandev
)
903 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
905 /* Set the maximum frame size */
906 return hfa384x_drvr_setconfig16(hw
, HFA384x_RID_CNFMAXDATALEN
,
910 static int prism2sta_setmulticast(wlandevice_t
*wlandev
, netdevice_t
*dev
)
913 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
917 /* If we're not ready, what's the point? */
918 if (hw
->state
!= HFA384x_STATE_RUNNING
)
921 if ((dev
->flags
& (IFF_PROMISC
| IFF_ALLMULTI
)) != 0)
922 promisc
= P80211ENUM_truth_true
;
924 promisc
= P80211ENUM_truth_false
;
927 hfa384x_drvr_setconfig16_async(hw
, HFA384x_RID_PROMISCMODE
,
933 /*----------------------------------------------------------------
934 * prism2sta_inf_handover
936 * Handles the receipt of a Handover info frame. Should only be present
940 * wlandev wlan device structure
941 * inf ptr to info frame (contents in hfa384x order)
950 ----------------------------------------------------------------*/
951 static void prism2sta_inf_handover(wlandevice_t
*wlandev
,
952 hfa384x_InfFrame_t
*inf
)
954 pr_debug("received infoframe:HANDOVER (unhandled)\n");
957 /*----------------------------------------------------------------
958 * prism2sta_inf_tallies
960 * Handles the receipt of a CommTallies info frame.
963 * wlandev wlan device structure
964 * inf ptr to info frame (contents in hfa384x order)
973 ----------------------------------------------------------------*/
974 static void prism2sta_inf_tallies(wlandevice_t
*wlandev
,
975 hfa384x_InfFrame_t
*inf
)
977 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
985 ** Determine if these are 16-bit or 32-bit tallies, based on the
986 ** record length of the info record.
989 cnt
= sizeof(hfa384x_CommTallies32_t
) / sizeof(u32
);
990 if (inf
->framelen
> 22) {
991 dst
= (u32
*) &hw
->tallies
;
992 src32
= (u32
*) &inf
->info
.commtallies32
;
993 for (i
= 0; i
< cnt
; i
++, dst
++, src32
++)
994 *dst
+= le32_to_cpu(*src32
);
996 dst
= (u32
*) &hw
->tallies
;
997 src16
= (u16
*) &inf
->info
.commtallies16
;
998 for (i
= 0; i
< cnt
; i
++, dst
++, src16
++)
999 *dst
+= le16_to_cpu(*src16
);
1003 /*----------------------------------------------------------------
1004 * prism2sta_inf_scanresults
1006 * Handles the receipt of a Scan Results info frame.
1009 * wlandev wlan device structure
1010 * inf ptr to info frame (contents in hfa384x order)
1019 ----------------------------------------------------------------*/
1020 static void prism2sta_inf_scanresults(wlandevice_t
*wlandev
,
1021 hfa384x_InfFrame_t
*inf
)
1024 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1026 hfa384x_ScanResult_t
*sr
= &(inf
->info
.scanresult
);
1028 hfa384x_JoinRequest_data_t joinreq
;
1031 /* Get the number of results, first in bytes, then in results */
1032 nbss
= (inf
->framelen
* sizeof(u16
)) -
1033 sizeof(inf
->infotype
) - sizeof(inf
->info
.scanresult
.scanreason
);
1034 nbss
/= sizeof(hfa384x_ScanResultSub_t
);
1037 pr_debug("rx scanresults, reason=%d, nbss=%d:\n",
1038 inf
->info
.scanresult
.scanreason
, nbss
);
1039 for (i
= 0; i
< nbss
; i
++) {
1040 pr_debug("chid=%d anl=%d sl=%d bcnint=%d\n",
1043 sr
->result
[i
].sl
, sr
->result
[i
].bcnint
);
1044 pr_debug(" capinfo=0x%04x proberesp_rate=%d\n",
1045 sr
->result
[i
].capinfo
, sr
->result
[i
].proberesp_rate
);
1047 /* issue a join request */
1048 joinreq
.channel
= sr
->result
[0].chid
;
1049 memcpy(joinreq
.bssid
, sr
->result
[0].bssid
, WLAN_BSSID_LEN
);
1050 result
= hfa384x_drvr_setconfig(hw
,
1051 HFA384x_RID_JOINREQUEST
,
1052 &joinreq
, HFA384x_RID_JOINREQUEST_LEN
);
1054 netdev_err(wlandev
->netdev
, "setconfig(joinreq) failed, result=%d\n",
1059 /*----------------------------------------------------------------
1060 * prism2sta_inf_hostscanresults
1062 * Handles the receipt of a Scan Results info frame.
1065 * wlandev wlan device structure
1066 * inf ptr to info frame (contents in hfa384x order)
1075 ----------------------------------------------------------------*/
1076 static void prism2sta_inf_hostscanresults(wlandevice_t
*wlandev
,
1077 hfa384x_InfFrame_t
*inf
)
1079 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1082 nbss
= (inf
->framelen
- 3) / 32;
1083 pr_debug("Received %d hostscan results\n", nbss
);
1088 kfree(hw
->scanresults
);
1090 hw
->scanresults
= kmemdup(inf
, sizeof(hfa384x_InfFrame_t
), GFP_ATOMIC
);
1095 /* Notify/wake the sleeping caller. */
1096 hw
->scanflag
= nbss
;
1097 wake_up_interruptible(&hw
->cmdq
);
1100 /*----------------------------------------------------------------
1101 * prism2sta_inf_chinforesults
1103 * Handles the receipt of a Channel Info Results info frame.
1106 * wlandev wlan device structure
1107 * inf ptr to info frame (contents in hfa384x order)
1116 ----------------------------------------------------------------*/
1117 static void prism2sta_inf_chinforesults(wlandevice_t
*wlandev
,
1118 hfa384x_InfFrame_t
*inf
)
1120 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1123 hw
->channel_info
.results
.scanchannels
=
1124 le16_to_cpu(inf
->info
.chinforesult
.scanchannels
);
1126 for (i
= 0, n
= 0; i
< HFA384x_CHINFORESULT_MAX
; i
++) {
1127 hfa384x_ChInfoResultSub_t
*result
;
1128 hfa384x_ChInfoResultSub_t
*chinforesult
;
1131 if (!(hw
->channel_info
.results
.scanchannels
& (1 << i
)))
1134 result
= &inf
->info
.chinforesult
.result
[n
];
1135 chan
= le16_to_cpu(result
->chid
) - 1;
1137 if (chan
< 0 || chan
>= HFA384x_CHINFORESULT_MAX
)
1140 chinforesult
= &hw
->channel_info
.results
.result
[chan
];
1141 chinforesult
->chid
= chan
;
1142 chinforesult
->anl
= le16_to_cpu(result
->anl
);
1143 chinforesult
->pnl
= le16_to_cpu(result
->pnl
);
1144 chinforesult
->active
= le16_to_cpu(result
->active
);
1146 pr_debug("chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
1148 (chinforesult
->active
& HFA384x_CHINFORESULT_BSSACTIVE
)
1149 ? "signal" : "noise",
1150 chinforesult
->anl
, chinforesult
->pnl
,
1151 (chinforesult
->active
& HFA384x_CHINFORESULT_PCFACTIVE
)
1155 atomic_set(&hw
->channel_info
.done
, 2);
1157 hw
->channel_info
.count
= n
;
1160 void prism2sta_processing_defer(struct work_struct
*data
)
1162 hfa384x_t
*hw
= container_of(data
, struct hfa384x
, link_bh
);
1163 wlandevice_t
*wlandev
= hw
->wlandev
;
1164 hfa384x_bytestr32_t ssid
;
1167 /* First let's process the auth frames */
1169 struct sk_buff
*skb
;
1170 hfa384x_InfFrame_t
*inf
;
1172 while ((skb
= skb_dequeue(&hw
->authq
))) {
1173 inf
= (hfa384x_InfFrame_t
*) skb
->data
;
1174 prism2sta_inf_authreq_defer(wlandev
, inf
);
1179 /* Now let's handle the linkstatus stuff */
1180 if (hw
->link_status
== hw
->link_status_new
)
1183 hw
->link_status
= hw
->link_status_new
;
1185 switch (hw
->link_status
) {
1186 case HFA384x_LINK_NOTCONNECTED
:
1187 /* I'm currently assuming that this is the initial link
1188 * state. It should only be possible immediately
1189 * following an Enable command.
1191 * Block Transmits, Ignore receives of data frames
1193 netif_carrier_off(wlandev
->netdev
);
1195 netdev_info(wlandev
->netdev
, "linkstatus=NOTCONNECTED (unhandled)\n");
1198 case HFA384x_LINK_CONNECTED
:
1199 /* This one indicates a successful scan/join/auth/assoc.
1200 * When we have the full MLME complement, this event will
1201 * signify successful completion of both mlme_authenticate
1202 * and mlme_associate. State management will get a little
1205 * Indicate authentication and/or association
1206 * Enable Transmits, Receives and pass up data frames
1209 netif_carrier_on(wlandev
->netdev
);
1211 /* If we are joining a specific AP, set our
1212 * state and reset retries
1214 if (hw
->join_ap
== 1)
1216 hw
->join_retries
= 60;
1218 /* Don't call this in monitor mode */
1219 if (wlandev
->netdev
->type
== ARPHRD_ETHER
) {
1222 netdev_info(wlandev
->netdev
, "linkstatus=CONNECTED\n");
1224 /* For non-usb devices, we can use the sync versions */
1225 /* Collect the BSSID, and set state to allow tx */
1227 result
= hfa384x_drvr_getconfig(hw
,
1228 HFA384x_RID_CURRENTBSSID
,
1233 ("getconfig(0x%02x) failed, result = %d\n",
1234 HFA384x_RID_CURRENTBSSID
, result
);
1238 result
= hfa384x_drvr_getconfig(hw
,
1239 HFA384x_RID_CURRENTSSID
,
1240 &ssid
, sizeof(ssid
));
1243 ("getconfig(0x%02x) failed, result = %d\n",
1244 HFA384x_RID_CURRENTSSID
, result
);
1247 prism2mgmt_bytestr2pstr((struct hfa384x_bytestr
*) &ssid
,
1251 /* Collect the port status */
1252 result
= hfa384x_drvr_getconfig16(hw
,
1253 HFA384x_RID_PORTSTATUS
,
1257 ("getconfig(0x%02x) failed, result = %d\n",
1258 HFA384x_RID_PORTSTATUS
, result
);
1262 (portstatus
== HFA384x_PSTATUS_CONN_IBSS
) ?
1263 WLAN_MACMODE_IBSS_STA
: WLAN_MACMODE_ESS_STA
;
1265 /* signal back up to cfg80211 layer */
1266 prism2_connect_result(wlandev
, P80211ENUM_truth_false
);
1268 /* Get the ball rolling on the comms quality stuff */
1269 prism2sta_commsqual_defer(&hw
->commsqual_bh
);
1273 case HFA384x_LINK_DISCONNECTED
:
1274 /* This one indicates that our association is gone. We've
1275 * lost connection with the AP and/or been disassociated.
1276 * This indicates that the MAC has completely cleared it's
1277 * associated state. We * should send a deauth indication
1278 * (implying disassoc) up * to the MLME.
1280 * Indicate Deauthentication
1281 * Block Transmits, Ignore receives of data frames
1283 if (wlandev
->netdev
->type
== ARPHRD_ETHER
)
1284 netdev_info(wlandev
->netdev
,
1285 "linkstatus=DISCONNECTED (unhandled)\n");
1286 wlandev
->macmode
= WLAN_MACMODE_NONE
;
1288 netif_carrier_off(wlandev
->netdev
);
1290 /* signal back up to cfg80211 layer */
1291 prism2_disconnected(wlandev
);
1295 case HFA384x_LINK_AP_CHANGE
:
1296 /* This one indicates that the MAC has decided to and
1297 * successfully completed a change to another AP. We
1298 * should probably implement a reassociation indication
1299 * in response to this one. I'm thinking that the the
1300 * p80211 layer needs to be notified in case of
1301 * buffering/queueing issues. User mode also needs to be
1302 * notified so that any BSS dependent elements can be
1304 * associated state. We * should send a deauth indication
1305 * (implying disassoc) up * to the MLME.
1307 * Indicate Reassociation
1308 * Enable Transmits, Receives and pass up data frames
1310 netdev_info(wlandev
->netdev
, "linkstatus=AP_CHANGE\n");
1312 result
= hfa384x_drvr_getconfig(hw
,
1313 HFA384x_RID_CURRENTBSSID
,
1314 wlandev
->bssid
, WLAN_BSSID_LEN
);
1316 pr_debug("getconfig(0x%02x) failed, result = %d\n",
1317 HFA384x_RID_CURRENTBSSID
, result
);
1321 result
= hfa384x_drvr_getconfig(hw
,
1322 HFA384x_RID_CURRENTSSID
,
1323 &ssid
, sizeof(ssid
));
1325 pr_debug("getconfig(0x%02x) failed, result = %d\n",
1326 HFA384x_RID_CURRENTSSID
, result
);
1329 prism2mgmt_bytestr2pstr((struct hfa384x_bytestr
*) &ssid
,
1330 (p80211pstrd_t
*) &wlandev
->ssid
);
1332 hw
->link_status
= HFA384x_LINK_CONNECTED
;
1333 netif_carrier_on(wlandev
->netdev
);
1335 /* signal back up to cfg80211 layer */
1336 prism2_roamed(wlandev
);
1340 case HFA384x_LINK_AP_OUTOFRANGE
:
1341 /* This one indicates that the MAC has decided that the
1342 * AP is out of range, but hasn't found a better candidate
1343 * so the MAC maintains its "associated" state in case
1344 * we get back in range. We should block transmits and
1345 * receives in this state. Do we need an indication here?
1346 * Probably not since a polling user-mode element would
1347 * get this status from from p2PortStatus(FD40). What about
1350 * Block Transmits, Ignore receives of data frames
1352 netdev_info(wlandev
->netdev
, "linkstatus=AP_OUTOFRANGE (unhandled)\n");
1354 netif_carrier_off(wlandev
->netdev
);
1358 case HFA384x_LINK_AP_INRANGE
:
1359 /* This one indicates that the MAC has decided that the
1360 * AP is back in range. We continue working with our
1361 * existing association.
1363 * Enable Transmits, Receives and pass up data frames
1365 netdev_info(wlandev
->netdev
, "linkstatus=AP_INRANGE\n");
1367 hw
->link_status
= HFA384x_LINK_CONNECTED
;
1368 netif_carrier_on(wlandev
->netdev
);
1372 case HFA384x_LINK_ASSOCFAIL
:
1373 /* This one is actually a peer to CONNECTED. We've
1374 * requested a join for a given SSID and optionally BSSID.
1375 * We can use this one to indicate authentication and
1376 * association failures. The trick is going to be
1377 * 1) identifying the failure, and 2) state management.
1379 * Disable Transmits, Ignore receives of data frames
1381 if (hw
->join_ap
&& --hw
->join_retries
> 0) {
1382 hfa384x_JoinRequest_data_t joinreq
;
1384 joinreq
= hw
->joinreq
;
1385 /* Send the join request */
1386 hfa384x_drvr_setconfig(hw
,
1387 HFA384x_RID_JOINREQUEST
,
1389 HFA384x_RID_JOINREQUEST_LEN
);
1390 netdev_info(wlandev
->netdev
,
1391 "linkstatus=ASSOCFAIL (re-submitting join)\n");
1393 netdev_info(wlandev
->netdev
, "linkstatus=ASSOCFAIL (unhandled)\n");
1396 netif_carrier_off(wlandev
->netdev
);
1398 /* signal back up to cfg80211 layer */
1399 prism2_connect_result(wlandev
, P80211ENUM_truth_true
);
1404 /* This is bad, IO port problems? */
1405 netdev_warn(wlandev
->netdev
,
1406 "unknown linkstatus=0x%02x\n", hw
->link_status
);
1410 wlandev
->linkstatus
= (hw
->link_status
== HFA384x_LINK_CONNECTED
);
1413 /*----------------------------------------------------------------
1414 * prism2sta_inf_linkstatus
1416 * Handles the receipt of a Link Status info frame.
1419 * wlandev wlan device structure
1420 * inf ptr to info frame (contents in hfa384x order)
1429 ----------------------------------------------------------------*/
1430 static void prism2sta_inf_linkstatus(wlandevice_t
*wlandev
,
1431 hfa384x_InfFrame_t
*inf
)
1433 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1435 hw
->link_status_new
= le16_to_cpu(inf
->info
.linkstatus
.linkstatus
);
1437 schedule_work(&hw
->link_bh
);
1440 /*----------------------------------------------------------------
1441 * prism2sta_inf_assocstatus
1443 * Handles the receipt of an Association Status info frame. Should
1444 * be present in APs only.
1447 * wlandev wlan device structure
1448 * inf ptr to info frame (contents in hfa384x order)
1457 ----------------------------------------------------------------*/
1458 static void prism2sta_inf_assocstatus(wlandevice_t
*wlandev
,
1459 hfa384x_InfFrame_t
*inf
)
1461 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1462 hfa384x_AssocStatus_t rec
;
1465 memcpy(&rec
, &inf
->info
.assocstatus
, sizeof(rec
));
1466 rec
.assocstatus
= le16_to_cpu(rec
.assocstatus
);
1467 rec
.reason
= le16_to_cpu(rec
.reason
);
1470 ** Find the address in the list of authenticated stations.
1471 ** If it wasn't found, then this address has not been previously
1472 ** authenticated and something weird has happened if this is
1473 ** anything other than an "authentication failed" message.
1474 ** If the address was found, then set the "associated" flag for
1475 ** that station, based on whether the station is associating or
1476 ** losing its association. Something weird has also happened
1477 ** if we find the address in the list of authenticated stations
1478 ** but we are getting an "authentication failed" message.
1481 for (i
= 0; i
< hw
->authlist
.cnt
; i
++)
1482 if (memcmp(rec
.sta_addr
, hw
->authlist
.addr
[i
], ETH_ALEN
) == 0)
1485 if (i
>= hw
->authlist
.cnt
) {
1486 if (rec
.assocstatus
!= HFA384x_ASSOCSTATUS_AUTHFAIL
)
1487 netdev_warn(wlandev
->netdev
,
1488 "assocstatus info frame received for non-authenticated station.\n");
1490 hw
->authlist
.assoc
[i
] =
1491 (rec
.assocstatus
== HFA384x_ASSOCSTATUS_STAASSOC
||
1492 rec
.assocstatus
== HFA384x_ASSOCSTATUS_REASSOC
);
1494 if (rec
.assocstatus
== HFA384x_ASSOCSTATUS_AUTHFAIL
)
1495 netdev_warn(wlandev
->netdev
,
1496 "authfail assocstatus info frame received for authenticated station.\n");
1500 /*----------------------------------------------------------------
1501 * prism2sta_inf_authreq
1503 * Handles the receipt of an Authentication Request info frame. Should
1504 * be present in APs only.
1507 * wlandev wlan device structure
1508 * inf ptr to info frame (contents in hfa384x order)
1518 ----------------------------------------------------------------*/
1519 static void prism2sta_inf_authreq(wlandevice_t
*wlandev
,
1520 hfa384x_InfFrame_t
*inf
)
1522 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1523 struct sk_buff
*skb
;
1525 skb
= dev_alloc_skb(sizeof(*inf
));
1527 skb_put(skb
, sizeof(*inf
));
1528 memcpy(skb
->data
, inf
, sizeof(*inf
));
1529 skb_queue_tail(&hw
->authq
, skb
);
1530 schedule_work(&hw
->link_bh
);
1534 static void prism2sta_inf_authreq_defer(wlandevice_t
*wlandev
,
1535 hfa384x_InfFrame_t
*inf
)
1537 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1538 hfa384x_authenticateStation_data_t rec
;
1540 int i
, added
, result
, cnt
;
1544 ** Build the AuthenticateStation record. Initialize it for denying
1548 memcpy(rec
.address
, inf
->info
.authreq
.sta_addr
, ETH_ALEN
);
1549 rec
.status
= P80211ENUM_status_unspec_failure
;
1552 ** Authenticate based on the access mode.
1555 switch (hw
->accessmode
) {
1556 case WLAN_ACCESS_NONE
:
1559 ** Deny all new authentications. However, if a station
1560 ** is ALREADY authenticated, then accept it.
1563 for (i
= 0; i
< hw
->authlist
.cnt
; i
++)
1564 if (memcmp(rec
.address
, hw
->authlist
.addr
[i
],
1566 rec
.status
= P80211ENUM_status_successful
;
1572 case WLAN_ACCESS_ALL
:
1575 ** Allow all authentications.
1578 rec
.status
= P80211ENUM_status_successful
;
1581 case WLAN_ACCESS_ALLOW
:
1584 ** Only allow the authentication if the MAC address
1585 ** is in the list of allowed addresses.
1587 ** Since this is the interrupt handler, we may be here
1588 ** while the access list is in the middle of being
1589 ** updated. Choose the list which is currently okay.
1590 ** See "prism2mib_priv_accessallow()" for details.
1593 if (hw
->allow
.modify
== 0) {
1594 cnt
= hw
->allow
.cnt
;
1595 addr
= hw
->allow
.addr
[0];
1597 cnt
= hw
->allow
.cnt1
;
1598 addr
= hw
->allow
.addr1
[0];
1601 for (i
= 0; i
< cnt
; i
++, addr
+= ETH_ALEN
)
1602 if (memcmp(rec
.address
, addr
, ETH_ALEN
) == 0) {
1603 rec
.status
= P80211ENUM_status_successful
;
1609 case WLAN_ACCESS_DENY
:
1612 ** Allow the authentication UNLESS the MAC address is
1613 ** in the list of denied addresses.
1615 ** Since this is the interrupt handler, we may be here
1616 ** while the access list is in the middle of being
1617 ** updated. Choose the list which is currently okay.
1618 ** See "prism2mib_priv_accessdeny()" for details.
1621 if (hw
->deny
.modify
== 0) {
1623 addr
= hw
->deny
.addr
[0];
1625 cnt
= hw
->deny
.cnt1
;
1626 addr
= hw
->deny
.addr1
[0];
1629 rec
.status
= P80211ENUM_status_successful
;
1631 for (i
= 0; i
< cnt
; i
++, addr
+= ETH_ALEN
)
1632 if (memcmp(rec
.address
, addr
, ETH_ALEN
) == 0) {
1633 rec
.status
= P80211ENUM_status_unspec_failure
;
1641 ** If the authentication is okay, then add the MAC address to the
1642 ** list of authenticated stations. Don't add the address if it
1643 ** is already in the list. (802.11b does not seem to disallow
1644 ** a station from issuing an authentication request when the
1645 ** station is already authenticated. Does this sort of thing
1646 ** ever happen? We might as well do the check just in case.)
1651 if (rec
.status
== P80211ENUM_status_successful
) {
1652 for (i
= 0; i
< hw
->authlist
.cnt
; i
++)
1653 if (memcmp(rec
.address
, hw
->authlist
.addr
[i
], ETH_ALEN
)
1657 if (i
>= hw
->authlist
.cnt
) {
1658 if (hw
->authlist
.cnt
>= WLAN_AUTH_MAX
) {
1659 rec
.status
= P80211ENUM_status_ap_full
;
1661 memcpy(hw
->authlist
.addr
[hw
->authlist
.cnt
],
1662 rec
.address
, ETH_ALEN
);
1670 ** Send back the results of the authentication. If this doesn't work,
1671 ** then make sure to remove the address from the authenticated list if
1675 rec
.status
= cpu_to_le16(rec
.status
);
1676 rec
.algorithm
= inf
->info
.authreq
.algorithm
;
1678 result
= hfa384x_drvr_setconfig(hw
, HFA384x_RID_AUTHENTICATESTA
,
1683 netdev_err(wlandev
->netdev
,
1684 "setconfig(authenticatestation) failed, result=%d\n",
1689 /*----------------------------------------------------------------
1690 * prism2sta_inf_psusercnt
1692 * Handles the receipt of a PowerSaveUserCount info frame. Should
1693 * be present in APs only.
1696 * wlandev wlan device structure
1697 * inf ptr to info frame (contents in hfa384x order)
1706 ----------------------------------------------------------------*/
1707 static void prism2sta_inf_psusercnt(wlandevice_t
*wlandev
,
1708 hfa384x_InfFrame_t
*inf
)
1710 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1712 hw
->psusercount
= le16_to_cpu(inf
->info
.psusercnt
.usercnt
);
1715 /*----------------------------------------------------------------
1718 * Handles the Info event.
1721 * wlandev wlan device structure
1722 * inf ptr to a generic info frame
1731 ----------------------------------------------------------------*/
1732 void prism2sta_ev_info(wlandevice_t
*wlandev
, hfa384x_InfFrame_t
*inf
)
1734 inf
->infotype
= le16_to_cpu(inf
->infotype
);
1736 switch (inf
->infotype
) {
1737 case HFA384x_IT_HANDOVERADDR
:
1738 prism2sta_inf_handover(wlandev
, inf
);
1740 case HFA384x_IT_COMMTALLIES
:
1741 prism2sta_inf_tallies(wlandev
, inf
);
1743 case HFA384x_IT_HOSTSCANRESULTS
:
1744 prism2sta_inf_hostscanresults(wlandev
, inf
);
1746 case HFA384x_IT_SCANRESULTS
:
1747 prism2sta_inf_scanresults(wlandev
, inf
);
1749 case HFA384x_IT_CHINFORESULTS
:
1750 prism2sta_inf_chinforesults(wlandev
, inf
);
1752 case HFA384x_IT_LINKSTATUS
:
1753 prism2sta_inf_linkstatus(wlandev
, inf
);
1755 case HFA384x_IT_ASSOCSTATUS
:
1756 prism2sta_inf_assocstatus(wlandev
, inf
);
1758 case HFA384x_IT_AUTHREQ
:
1759 prism2sta_inf_authreq(wlandev
, inf
);
1761 case HFA384x_IT_PSUSERCNT
:
1762 prism2sta_inf_psusercnt(wlandev
, inf
);
1764 case HFA384x_IT_KEYIDCHANGED
:
1765 netdev_warn(wlandev
->netdev
, "Unhandled IT_KEYIDCHANGED\n");
1767 case HFA384x_IT_ASSOCREQ
:
1768 netdev_warn(wlandev
->netdev
, "Unhandled IT_ASSOCREQ\n");
1770 case HFA384x_IT_MICFAILURE
:
1771 netdev_warn(wlandev
->netdev
, "Unhandled IT_MICFAILURE\n");
1774 netdev_warn(wlandev
->netdev
,
1775 "Unknown info type=0x%02x\n", inf
->infotype
);
1780 /*----------------------------------------------------------------
1781 * prism2sta_ev_txexc
1783 * Handles the TxExc event. A Transmit Exception event indicates
1784 * that the MAC's TX process was unsuccessful - so the packet did
1785 * not get transmitted.
1788 * wlandev wlan device structure
1789 * status tx frame status word
1798 ----------------------------------------------------------------*/
1799 void prism2sta_ev_txexc(wlandevice_t
*wlandev
, u16 status
)
1801 pr_debug("TxExc status=0x%x.\n", status
);
1804 /*----------------------------------------------------------------
1807 * Handles the Tx event.
1810 * wlandev wlan device structure
1811 * status tx frame status word
1819 ----------------------------------------------------------------*/
1820 void prism2sta_ev_tx(wlandevice_t
*wlandev
, u16 status
)
1822 pr_debug("Tx Complete, status=0x%04x\n", status
);
1823 /* update linux network stats */
1824 wlandev
->netdev
->stats
.tx_packets
++;
1827 /*----------------------------------------------------------------
1830 * Handles the Rx event.
1833 * wlandev wlan device structure
1842 ----------------------------------------------------------------*/
1843 void prism2sta_ev_rx(wlandevice_t
*wlandev
, struct sk_buff
*skb
)
1845 p80211netdev_rx(wlandev
, skb
);
1848 /*----------------------------------------------------------------
1849 * prism2sta_ev_alloc
1851 * Handles the Alloc event.
1854 * wlandev wlan device structure
1863 ----------------------------------------------------------------*/
1864 void prism2sta_ev_alloc(wlandevice_t
*wlandev
)
1866 netif_wake_queue(wlandev
->netdev
);
1869 /*----------------------------------------------------------------
1872 * Called at module init time. This creates the wlandevice_t structure
1873 * and initializes it with relevant bits.
1879 * the created wlandevice_t structure.
1882 * also allocates the priv/hw structures.
1887 ----------------------------------------------------------------*/
1888 static wlandevice_t
*create_wlan(void)
1890 wlandevice_t
*wlandev
= NULL
;
1891 hfa384x_t
*hw
= NULL
;
1893 /* Alloc our structures */
1894 wlandev
= kzalloc(sizeof(wlandevice_t
), GFP_KERNEL
);
1895 hw
= kzalloc(sizeof(hfa384x_t
), GFP_KERNEL
);
1897 if (!wlandev
|| !hw
) {
1898 pr_err("%s: Memory allocation failure.\n", dev_info
);
1904 /* Initialize the network device object. */
1905 wlandev
->nsdname
= dev_info
;
1906 wlandev
->msdstate
= WLAN_MSD_HWPRESENT_PENDING
;
1908 wlandev
->open
= prism2sta_open
;
1909 wlandev
->close
= prism2sta_close
;
1910 wlandev
->reset
= prism2sta_reset
;
1911 wlandev
->txframe
= prism2sta_txframe
;
1912 wlandev
->mlmerequest
= prism2sta_mlmerequest
;
1913 wlandev
->set_multicast_list
= prism2sta_setmulticast
;
1914 wlandev
->tx_timeout
= hfa384x_tx_timeout
;
1916 wlandev
->nsdcaps
= P80211_NSDCAP_HWFRAGMENT
| P80211_NSDCAP_AUTOJOIN
;
1918 /* Initialize the device private data structure. */
1919 hw
->dot11_desired_bss_type
= 1;
1924 void prism2sta_commsqual_defer(struct work_struct
*data
)
1926 hfa384x_t
*hw
= container_of(data
, struct hfa384x
, commsqual_bh
);
1927 wlandevice_t
*wlandev
= hw
->wlandev
;
1928 hfa384x_bytestr32_t ssid
;
1929 struct p80211msg_dot11req_mibget msg
;
1930 p80211item_uint32_t
*mibitem
= (p80211item_uint32_t
*)
1931 &msg
.mibattribute
.data
;
1934 if (hw
->wlandev
->hwremoved
)
1937 /* we don't care if we're in AP mode */
1938 if ((wlandev
->macmode
== WLAN_MACMODE_NONE
) ||
1939 (wlandev
->macmode
== WLAN_MACMODE_ESS_AP
)) {
1943 /* It only makes sense to poll these in non-IBSS */
1944 if (wlandev
->macmode
!= WLAN_MACMODE_IBSS_STA
) {
1945 result
= hfa384x_drvr_getconfig(
1946 hw
, HFA384x_RID_DBMCOMMSQUALITY
,
1947 &hw
->qual
, HFA384x_RID_DBMCOMMSQUALITY_LEN
);
1950 netdev_err(wlandev
->netdev
, "error fetching commsqual\n");
1954 pr_debug("commsqual %d %d %d\n",
1955 le16_to_cpu(hw
->qual
.CQ_currBSS
),
1956 le16_to_cpu(hw
->qual
.ASL_currBSS
),
1957 le16_to_cpu(hw
->qual
.ANL_currFC
));
1960 /* Get the signal rate */
1961 msg
.msgcode
= DIDmsg_dot11req_mibget
;
1962 mibitem
->did
= DIDmib_p2_p2MAC_p2CurrentTxRate
;
1963 result
= p80211req_dorequest(wlandev
, (u8
*) &msg
);
1966 pr_debug("get signal rate failed, result = %d\n",
1971 switch (mibitem
->data
) {
1972 case HFA384x_RATEBIT_1
:
1975 case HFA384x_RATEBIT_2
:
1978 case HFA384x_RATEBIT_5dot5
:
1981 case HFA384x_RATEBIT_11
:
1985 pr_debug("Bad ratebit (%d)\n", mibitem
->data
);
1988 /* Lastly, we need to make sure the BSSID didn't change on us */
1989 result
= hfa384x_drvr_getconfig(hw
,
1990 HFA384x_RID_CURRENTBSSID
,
1991 wlandev
->bssid
, WLAN_BSSID_LEN
);
1993 pr_debug("getconfig(0x%02x) failed, result = %d\n",
1994 HFA384x_RID_CURRENTBSSID
, result
);
1998 result
= hfa384x_drvr_getconfig(hw
,
1999 HFA384x_RID_CURRENTSSID
,
2000 &ssid
, sizeof(ssid
));
2002 pr_debug("getconfig(0x%02x) failed, result = %d\n",
2003 HFA384x_RID_CURRENTSSID
, result
);
2006 prism2mgmt_bytestr2pstr((struct hfa384x_bytestr
*) &ssid
,
2007 (p80211pstrd_t
*) &wlandev
->ssid
);
2009 /* Reschedule timer */
2010 mod_timer(&hw
->commsqual_timer
, jiffies
+ HZ
);
2013 void prism2sta_commsqual_timer(unsigned long data
)
2015 hfa384x_t
*hw
= (hfa384x_t
*) data
;
2017 schedule_work(&hw
->commsqual_bh
);