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/version.h>
54 #include <linux/module.h>
55 #include <linux/moduleparam.h>
56 #include <linux/kernel.h>
57 #include <linux/sched.h>
58 #include <linux/types.h>
59 #include <linux/init.h>
60 #include <linux/slab.h>
61 #include <linux/wireless.h>
62 #include <linux/netdevice.h>
63 #include <linux/workqueue.h>
64 #include <linux/byteorder/generic.h>
65 #include <linux/ctype.h>
68 #include <linux/delay.h>
69 #include <asm/byteorder.h>
70 #include <linux/if_arp.h>
71 #include <linux/if_ether.h>
72 #include <linux/bitops.h>
74 /*================================================================*/
75 /* Project Includes */
77 #include "p80211types.h"
78 #include "p80211hdr.h"
79 #include "p80211mgmt.h"
80 #include "p80211conv.h"
81 #include "p80211msg.h"
82 #include "p80211netdev.h"
83 #include "p80211req.h"
84 #include "p80211metadef.h"
85 #include "p80211metastruct.h"
87 #include "prism2mgmt.h"
89 #define wlan_hexchar(x) (((x) < 0x0a) ? ('0' + (x)) : ('a' + ((x) - 0x0a)))
91 /* Create a string of printable chars from something that might not be */
92 /* It's recommended that the str be 4*len + 1 bytes long */
93 #define wlan_mkprintstr(buf, buflen, str, strlen) \
97 memset(str, 0, (strlen)); \
98 for (i = 0; i < (buflen); i++) { \
99 if (isprint((buf)[i])) { \
100 (str)[j] = (buf)[i]; \
105 (str)[j+2] = wlan_hexchar(((buf)[i] & 0xf0) >> 4); \
106 (str)[j+3] = wlan_hexchar(((buf)[i] & 0x0f)); \
112 static char *dev_info
= "prism2_usb";
113 static wlandevice_t
*create_wlan(void);
115 int prism2_reset_holdtime
= 30; /* Reset hold time in ms */
116 int prism2_reset_settletime
= 100; /* Reset settle time in ms */
118 static int prism2_doreset
= 0; /* Do a reset at init? */
120 module_param(prism2_doreset
, int, 0644);
121 MODULE_PARM_DESC(prism2_doreset
, "Issue a reset on initialization");
123 module_param(prism2_reset_holdtime
, int, 0644);
124 MODULE_PARM_DESC(prism2_reset_holdtime
, "reset hold time in ms");
125 module_param(prism2_reset_settletime
, int, 0644);
126 MODULE_PARM_DESC(prism2_reset_settletime
, "reset settle time in ms");
128 MODULE_LICENSE("Dual MPL/GPL");
130 static int prism2sta_open(wlandevice_t
*wlandev
);
131 static int prism2sta_close(wlandevice_t
*wlandev
);
132 static void prism2sta_reset(wlandevice_t
*wlandev
);
133 static int prism2sta_txframe(wlandevice_t
*wlandev
, struct sk_buff
*skb
,
134 p80211_hdr_t
*p80211_hdr
,
135 p80211_metawep_t
*p80211_wep
);
136 static int prism2sta_mlmerequest(wlandevice_t
*wlandev
, p80211msg_t
*msg
);
137 static int prism2sta_getcardinfo(wlandevice_t
*wlandev
);
138 static int prism2sta_globalsetup(wlandevice_t
*wlandev
);
139 static int prism2sta_setmulticast(wlandevice_t
*wlandev
, netdevice_t
*dev
);
141 static void prism2sta_inf_handover(wlandevice_t
*wlandev
,
142 hfa384x_InfFrame_t
*inf
);
143 static void prism2sta_inf_tallies(wlandevice_t
*wlandev
,
144 hfa384x_InfFrame_t
*inf
);
145 static void prism2sta_inf_hostscanresults(wlandevice_t
*wlandev
,
146 hfa384x_InfFrame_t
*inf
);
147 static void prism2sta_inf_scanresults(wlandevice_t
*wlandev
,
148 hfa384x_InfFrame_t
*inf
);
149 static void prism2sta_inf_chinforesults(wlandevice_t
*wlandev
,
150 hfa384x_InfFrame_t
*inf
);
151 static void prism2sta_inf_linkstatus(wlandevice_t
*wlandev
,
152 hfa384x_InfFrame_t
*inf
);
153 static void prism2sta_inf_assocstatus(wlandevice_t
*wlandev
,
154 hfa384x_InfFrame_t
*inf
);
155 static void prism2sta_inf_authreq(wlandevice_t
*wlandev
,
156 hfa384x_InfFrame_t
*inf
);
157 static void prism2sta_inf_authreq_defer(wlandevice_t
*wlandev
,
158 hfa384x_InfFrame_t
*inf
);
159 static void prism2sta_inf_psusercnt(wlandevice_t
*wlandev
,
160 hfa384x_InfFrame_t
*inf
);
162 /*----------------------------------------------------------------
165 * WLAN device open method. Called from p80211netdev when kernel
166 * device open (start) method is called in response to the
167 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
171 * wlandev wlan device structure
175 * >0 f/w reported error
176 * <0 driver reported error
182 ----------------------------------------------------------------*/
183 static int prism2sta_open(wlandevice_t
*wlandev
)
185 /* We don't currently have to do anything else.
186 * The setup of the MAC should be subsequently completed via
188 * Higher layers know we're ready from dev->start==1 and
189 * dev->tbusy==0. Our rx path knows to pass up received/
190 * frames because of dev->flags&IFF_UP is true.
196 /*----------------------------------------------------------------
199 * WLAN device close method. Called from p80211netdev when kernel
200 * device close method is called in response to the
201 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
205 * wlandev wlan device structure
209 * >0 f/w reported error
210 * <0 driver reported error
216 ----------------------------------------------------------------*/
217 static int prism2sta_close(wlandevice_t
*wlandev
)
219 /* We don't currently have to do anything else.
220 * Higher layers know we're not ready from dev->start==0 and
221 * dev->tbusy==1. Our rx path knows to not pass up received
222 * frames because of dev->flags&IFF_UP is false.
228 /*----------------------------------------------------------------
231 * Not currently implented.
234 * wlandev wlan device structure
244 ----------------------------------------------------------------*/
245 static void prism2sta_reset(wlandevice_t
*wlandev
)
250 /*----------------------------------------------------------------
253 * Takes a frame from p80211 and queues it for transmission.
256 * wlandev wlan device structure
257 * pb packet buffer struct. Contains an 802.11
259 * p80211_hdr points to the 802.11 header for the packet.
261 * 0 Success and more buffs available
262 * 1 Success but no more buffs
263 * 2 Allocation failure
264 * 4 Buffer full or queue busy
270 ----------------------------------------------------------------*/
271 static int prism2sta_txframe(wlandevice_t
*wlandev
, struct sk_buff
*skb
,
272 p80211_hdr_t
*p80211_hdr
,
273 p80211_metawep_t
*p80211_wep
)
275 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
278 /* If necessary, set the 802.11 WEP bit */
279 if ((wlandev
->hostwep
& (HOSTWEP_PRIVACYINVOKED
| HOSTWEP_ENCRYPT
)) ==
280 HOSTWEP_PRIVACYINVOKED
) {
281 p80211_hdr
->a3
.fc
|= cpu_to_le16(WLAN_SET_FC_ISWEP(1));
284 result
= hfa384x_drvr_txframe(hw
, skb
, p80211_hdr
, p80211_wep
);
289 /*----------------------------------------------------------------
290 * prism2sta_mlmerequest
292 * wlan command message handler. All we do here is pass the message
293 * over to the prism2sta_mgmt_handler.
296 * wlandev wlan device structure
297 * msg wlan command message
300 * <0 successful acceptance of message, but we're
301 * waiting for an async process to finish before
302 * we're done with the msg. When the asynch
303 * process is done, we'll call the p80211
304 * function p80211req_confirm() .
305 * >0 An error occurred while we were handling
312 ----------------------------------------------------------------*/
313 static int prism2sta_mlmerequest(wlandevice_t
*wlandev
, p80211msg_t
*msg
)
315 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
319 switch (msg
->msgcode
) {
320 case DIDmsg_dot11req_mibget
:
321 pr_debug("Received mibget request\n");
322 result
= prism2mgmt_mibset_mibget(wlandev
, msg
);
324 case DIDmsg_dot11req_mibset
:
325 pr_debug("Received mibset request\n");
326 result
= prism2mgmt_mibset_mibget(wlandev
, msg
);
328 case DIDmsg_dot11req_scan
:
329 pr_debug("Received scan request\n");
330 result
= prism2mgmt_scan(wlandev
, msg
);
332 case DIDmsg_dot11req_scan_results
:
333 pr_debug("Received scan_results request\n");
334 result
= prism2mgmt_scan_results(wlandev
, msg
);
336 case DIDmsg_dot11req_start
:
337 pr_debug("Received mlme start request\n");
338 result
= prism2mgmt_start(wlandev
, msg
);
341 * Prism2 specific messages
343 case DIDmsg_p2req_readpda
:
344 pr_debug("Received mlme readpda request\n");
345 result
= prism2mgmt_readpda(wlandev
, msg
);
347 case DIDmsg_p2req_ramdl_state
:
348 pr_debug("Received mlme ramdl_state request\n");
349 result
= prism2mgmt_ramdl_state(wlandev
, msg
);
351 case DIDmsg_p2req_ramdl_write
:
352 pr_debug("Received mlme ramdl_write request\n");
353 result
= prism2mgmt_ramdl_write(wlandev
, msg
);
355 case DIDmsg_p2req_flashdl_state
:
356 pr_debug("Received mlme flashdl_state request\n");
357 result
= prism2mgmt_flashdl_state(wlandev
, msg
);
359 case DIDmsg_p2req_flashdl_write
:
360 pr_debug("Received mlme flashdl_write request\n");
361 result
= prism2mgmt_flashdl_write(wlandev
, msg
);
364 * Linux specific messages
366 case DIDmsg_lnxreq_hostwep
:
367 break; /* ignore me. */
368 case DIDmsg_lnxreq_ifstate
:
370 p80211msg_lnxreq_ifstate_t
*ifstatemsg
;
371 pr_debug("Received mlme ifstate request\n");
372 ifstatemsg
= (p80211msg_lnxreq_ifstate_t
*) msg
;
374 prism2sta_ifstate(wlandev
,
375 ifstatemsg
->ifstate
.data
);
376 ifstatemsg
->resultcode
.status
=
377 P80211ENUM_msgitem_status_data_ok
;
378 ifstatemsg
->resultcode
.data
= result
;
382 case DIDmsg_lnxreq_wlansniff
:
383 pr_debug("Received mlme wlansniff request\n");
384 result
= prism2mgmt_wlansniff(wlandev
, msg
);
386 case DIDmsg_lnxreq_autojoin
:
387 pr_debug("Received mlme autojoin request\n");
388 result
= prism2mgmt_autojoin(wlandev
, msg
);
390 case DIDmsg_lnxreq_commsquality
:{
391 p80211msg_lnxreq_commsquality_t
*qualmsg
;
393 pr_debug("Received commsquality request\n");
395 qualmsg
= (p80211msg_lnxreq_commsquality_t
*) msg
;
397 qualmsg
->link
.status
=
398 P80211ENUM_msgitem_status_data_ok
;
399 qualmsg
->level
.status
=
400 P80211ENUM_msgitem_status_data_ok
;
401 qualmsg
->noise
.status
=
402 P80211ENUM_msgitem_status_data_ok
;
405 le16_to_cpu(hw
->qual
.CQ_currBSS
);
406 qualmsg
->level
.data
=
407 le16_to_cpu(hw
->qual
.ASL_currBSS
);
408 qualmsg
->noise
.data
=
409 le16_to_cpu(hw
->qual
.ANL_currFC
);
414 printk(KERN_WARNING
"Unknown mgmt request message 0x%08x",
422 /*----------------------------------------------------------------
425 * Interface state. This is the primary WLAN interface enable/disable
426 * handler. Following the driver/load/deviceprobe sequence, this
427 * function must be called with a state of "enable" before any other
428 * commands will be accepted.
431 * wlandev wlan device structure
432 * msgp ptr to msg buffer
435 * A p80211 message resultcode value.
440 * process thread (usually)
442 ----------------------------------------------------------------*/
443 u32
prism2sta_ifstate(wlandevice_t
*wlandev
, u32 ifstate
)
445 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
448 result
= P80211ENUM_resultcode_implementation_failure
;
450 pr_debug("Current MSD state(%d), requesting(%d)\n",
451 wlandev
->msdstate
, ifstate
);
453 case P80211ENUM_ifstate_fwload
:
454 switch (wlandev
->msdstate
) {
455 case WLAN_MSD_HWPRESENT
:
456 wlandev
->msdstate
= WLAN_MSD_FWLOAD_PENDING
;
458 * Initialize the device+driver sufficiently
459 * for firmware loading.
461 if ((result
= hfa384x_drvr_start(hw
))) {
463 "hfa384x_drvr_start() failed,"
464 "result=%d\n", (int)result
);
466 P80211ENUM_resultcode_implementation_failure
;
467 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
470 wlandev
->msdstate
= WLAN_MSD_FWLOAD
;
471 result
= P80211ENUM_resultcode_success
;
473 case WLAN_MSD_FWLOAD
:
474 hfa384x_cmd_initialize(hw
);
475 result
= P80211ENUM_resultcode_success
;
477 case WLAN_MSD_RUNNING
:
479 "Cannot enter fwload state from enable state,"
480 "you must disable first.\n");
481 result
= P80211ENUM_resultcode_invalid_parameters
;
483 case WLAN_MSD_HWFAIL
:
485 /* probe() had a problem or the msdstate contains
486 * an unrecognized value, there's nothing we can do.
488 result
= P80211ENUM_resultcode_implementation_failure
;
492 case P80211ENUM_ifstate_enable
:
493 switch (wlandev
->msdstate
) {
494 case WLAN_MSD_HWPRESENT
:
495 case WLAN_MSD_FWLOAD
:
496 wlandev
->msdstate
= WLAN_MSD_RUNNING_PENDING
;
497 /* Initialize the device+driver for full
498 * operation. Note that this might me an FWLOAD to
499 * to RUNNING transition so we must not do a chip
500 * or board level reset. Note that on failure,
501 * the MSD state is set to HWPRESENT because we
502 * can't make any assumptions about the state
503 * of the hardware or a previous firmware load.
505 if ((result
= hfa384x_drvr_start(hw
))) {
507 "hfa384x_drvr_start() failed,"
508 "result=%d\n", (int)result
);
510 P80211ENUM_resultcode_implementation_failure
;
511 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
515 if ((result
= prism2sta_getcardinfo(wlandev
))) {
517 "prism2sta_getcardinfo() failed,"
518 "result=%d\n", (int)result
);
520 P80211ENUM_resultcode_implementation_failure
;
521 hfa384x_drvr_stop(hw
);
522 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
525 if ((result
= prism2sta_globalsetup(wlandev
))) {
527 "prism2sta_globalsetup() failed,"
528 "result=%d\n", (int)result
);
530 P80211ENUM_resultcode_implementation_failure
;
531 hfa384x_drvr_stop(hw
);
532 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
535 wlandev
->msdstate
= WLAN_MSD_RUNNING
;
537 hw
->join_retries
= 60;
538 result
= P80211ENUM_resultcode_success
;
540 case WLAN_MSD_RUNNING
:
541 /* Do nothing, we're already in this state. */
542 result
= P80211ENUM_resultcode_success
;
544 case WLAN_MSD_HWFAIL
:
546 /* probe() had a problem or the msdstate contains
547 * an unrecognized value, there's nothing we can do.
549 result
= P80211ENUM_resultcode_implementation_failure
;
553 case P80211ENUM_ifstate_disable
:
554 switch (wlandev
->msdstate
) {
555 case WLAN_MSD_HWPRESENT
:
556 /* Do nothing, we're already in this state. */
557 result
= P80211ENUM_resultcode_success
;
559 case WLAN_MSD_FWLOAD
:
560 case WLAN_MSD_RUNNING
:
561 wlandev
->msdstate
= WLAN_MSD_HWPRESENT_PENDING
;
563 * TODO: Shut down the MAC completely. Here a chip
564 * or board level reset is probably called for.
565 * After a "disable" _all_ results are lost, even
566 * those from a fwload.
568 if (!wlandev
->hwremoved
)
569 netif_carrier_off(wlandev
->netdev
);
571 hfa384x_drvr_stop(hw
);
573 wlandev
->macmode
= WLAN_MACMODE_NONE
;
574 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
575 result
= P80211ENUM_resultcode_success
;
577 case WLAN_MSD_HWFAIL
:
579 /* probe() had a problem or the msdstate contains
580 * an unrecognized value, there's nothing we can do.
582 result
= P80211ENUM_resultcode_implementation_failure
;
587 result
= P80211ENUM_resultcode_invalid_parameters
;
594 /*----------------------------------------------------------------
595 * prism2sta_getcardinfo
597 * Collect the NICID, firmware version and any other identifiers
598 * we'd like to have in host-side data structures.
601 * wlandev wlan device structure
605 * >0 f/w reported error
606 * <0 driver reported error
612 ----------------------------------------------------------------*/
613 static int prism2sta_getcardinfo(wlandevice_t
*wlandev
)
616 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
618 u8 snum
[HFA384x_RID_NICSERIALNUMBER_LEN
];
619 char pstr
[(HFA384x_RID_NICSERIALNUMBER_LEN
* 4) + 1];
621 /* Collect version and compatibility info */
622 /* Some are critical, some are not */
624 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_NICIDENTITY
,
626 sizeof(hfa384x_compident_t
));
628 printk(KERN_ERR
"Failed to retrieve NICIDENTITY\n");
632 /* get all the nic id fields in host byte order */
633 hw
->ident_nic
.id
= le16_to_cpu(hw
->ident_nic
.id
);
634 hw
->ident_nic
.variant
= le16_to_cpu(hw
->ident_nic
.variant
);
635 hw
->ident_nic
.major
= le16_to_cpu(hw
->ident_nic
.major
);
636 hw
->ident_nic
.minor
= le16_to_cpu(hw
->ident_nic
.minor
);
638 printk(KERN_INFO
"ident: nic h/w: id=0x%02x %d.%d.%d\n",
639 hw
->ident_nic
.id
, hw
->ident_nic
.major
,
640 hw
->ident_nic
.minor
, hw
->ident_nic
.variant
);
642 /* Primary f/w identity */
643 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_PRIIDENTITY
,
645 sizeof(hfa384x_compident_t
));
647 printk(KERN_ERR
"Failed to retrieve PRIIDENTITY\n");
651 /* get all the private fw id fields in host byte order */
652 hw
->ident_pri_fw
.id
= le16_to_cpu(hw
->ident_pri_fw
.id
);
653 hw
->ident_pri_fw
.variant
= le16_to_cpu(hw
->ident_pri_fw
.variant
);
654 hw
->ident_pri_fw
.major
= le16_to_cpu(hw
->ident_pri_fw
.major
);
655 hw
->ident_pri_fw
.minor
= le16_to_cpu(hw
->ident_pri_fw
.minor
);
657 printk(KERN_INFO
"ident: pri f/w: id=0x%02x %d.%d.%d\n",
658 hw
->ident_pri_fw
.id
, hw
->ident_pri_fw
.major
,
659 hw
->ident_pri_fw
.minor
, hw
->ident_pri_fw
.variant
);
661 /* Station (Secondary?) f/w identity */
662 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_STAIDENTITY
,
664 sizeof(hfa384x_compident_t
));
666 printk(KERN_ERR
"Failed to retrieve STAIDENTITY\n");
670 if (hw
->ident_nic
.id
< 0x8000) {
672 "FATAL: Card is not an Intersil Prism2/2.5/3\n");
677 /* get all the station fw id fields in host byte order */
678 hw
->ident_sta_fw
.id
= le16_to_cpu(hw
->ident_sta_fw
.id
);
679 hw
->ident_sta_fw
.variant
= le16_to_cpu(hw
->ident_sta_fw
.variant
);
680 hw
->ident_sta_fw
.major
= le16_to_cpu(hw
->ident_sta_fw
.major
);
681 hw
->ident_sta_fw
.minor
= le16_to_cpu(hw
->ident_sta_fw
.minor
);
683 /* strip out the 'special' variant bits */
684 hw
->mm_mods
= hw
->ident_sta_fw
.variant
& (BIT(14) | BIT(15));
685 hw
->ident_sta_fw
.variant
&= ~((u16
) (BIT(14) | BIT(15)));
687 if (hw
->ident_sta_fw
.id
== 0x1f) {
689 "ident: sta f/w: id=0x%02x %d.%d.%d\n",
690 hw
->ident_sta_fw
.id
, hw
->ident_sta_fw
.major
,
691 hw
->ident_sta_fw
.minor
, hw
->ident_sta_fw
.variant
);
694 "ident: ap f/w: id=0x%02x %d.%d.%d\n",
695 hw
->ident_sta_fw
.id
, hw
->ident_sta_fw
.major
,
696 hw
->ident_sta_fw
.minor
, hw
->ident_sta_fw
.variant
);
697 printk(KERN_ERR
"Unsupported Tertiary AP firmeare loaded!\n");
701 /* Compatibility range, Modem supplier */
702 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_MFISUPRANGE
,
704 sizeof(hfa384x_caplevel_t
));
706 printk(KERN_ERR
"Failed to retrieve MFISUPRANGE\n");
710 /* get all the Compatibility range, modem interface supplier
711 fields in byte order */
712 hw
->cap_sup_mfi
.role
= le16_to_cpu(hw
->cap_sup_mfi
.role
);
713 hw
->cap_sup_mfi
.id
= le16_to_cpu(hw
->cap_sup_mfi
.id
);
714 hw
->cap_sup_mfi
.variant
= le16_to_cpu(hw
->cap_sup_mfi
.variant
);
715 hw
->cap_sup_mfi
.bottom
= le16_to_cpu(hw
->cap_sup_mfi
.bottom
);
716 hw
->cap_sup_mfi
.top
= le16_to_cpu(hw
->cap_sup_mfi
.top
);
719 "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
720 hw
->cap_sup_mfi
.role
, hw
->cap_sup_mfi
.id
,
721 hw
->cap_sup_mfi
.variant
, hw
->cap_sup_mfi
.bottom
,
722 hw
->cap_sup_mfi
.top
);
724 /* Compatibility range, Controller supplier */
725 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_CFISUPRANGE
,
727 sizeof(hfa384x_caplevel_t
));
729 printk(KERN_ERR
"Failed to retrieve CFISUPRANGE\n");
733 /* get all the Compatibility range, controller interface supplier
734 fields in byte order */
735 hw
->cap_sup_cfi
.role
= le16_to_cpu(hw
->cap_sup_cfi
.role
);
736 hw
->cap_sup_cfi
.id
= le16_to_cpu(hw
->cap_sup_cfi
.id
);
737 hw
->cap_sup_cfi
.variant
= le16_to_cpu(hw
->cap_sup_cfi
.variant
);
738 hw
->cap_sup_cfi
.bottom
= le16_to_cpu(hw
->cap_sup_cfi
.bottom
);
739 hw
->cap_sup_cfi
.top
= le16_to_cpu(hw
->cap_sup_cfi
.top
);
742 "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
743 hw
->cap_sup_cfi
.role
, hw
->cap_sup_cfi
.id
,
744 hw
->cap_sup_cfi
.variant
, hw
->cap_sup_cfi
.bottom
,
745 hw
->cap_sup_cfi
.top
);
747 /* Compatibility range, Primary f/w supplier */
748 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_PRISUPRANGE
,
750 sizeof(hfa384x_caplevel_t
));
752 printk(KERN_ERR
"Failed to retrieve PRISUPRANGE\n");
756 /* get all the Compatibility range, primary firmware supplier
757 fields in byte order */
758 hw
->cap_sup_pri
.role
= le16_to_cpu(hw
->cap_sup_pri
.role
);
759 hw
->cap_sup_pri
.id
= le16_to_cpu(hw
->cap_sup_pri
.id
);
760 hw
->cap_sup_pri
.variant
= le16_to_cpu(hw
->cap_sup_pri
.variant
);
761 hw
->cap_sup_pri
.bottom
= le16_to_cpu(hw
->cap_sup_pri
.bottom
);
762 hw
->cap_sup_pri
.top
= le16_to_cpu(hw
->cap_sup_pri
.top
);
765 "PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
766 hw
->cap_sup_pri
.role
, hw
->cap_sup_pri
.id
,
767 hw
->cap_sup_pri
.variant
, hw
->cap_sup_pri
.bottom
,
768 hw
->cap_sup_pri
.top
);
770 /* Compatibility range, Station f/w supplier */
771 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_STASUPRANGE
,
773 sizeof(hfa384x_caplevel_t
));
775 printk(KERN_ERR
"Failed to retrieve STASUPRANGE\n");
779 /* get all the Compatibility range, station firmware supplier
780 fields in byte order */
781 hw
->cap_sup_sta
.role
= le16_to_cpu(hw
->cap_sup_sta
.role
);
782 hw
->cap_sup_sta
.id
= le16_to_cpu(hw
->cap_sup_sta
.id
);
783 hw
->cap_sup_sta
.variant
= le16_to_cpu(hw
->cap_sup_sta
.variant
);
784 hw
->cap_sup_sta
.bottom
= le16_to_cpu(hw
->cap_sup_sta
.bottom
);
785 hw
->cap_sup_sta
.top
= le16_to_cpu(hw
->cap_sup_sta
.top
);
787 if (hw
->cap_sup_sta
.id
== 0x04) {
789 "STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
790 hw
->cap_sup_sta
.role
, hw
->cap_sup_sta
.id
,
791 hw
->cap_sup_sta
.variant
, hw
->cap_sup_sta
.bottom
,
792 hw
->cap_sup_sta
.top
);
795 "AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
796 hw
->cap_sup_sta
.role
, hw
->cap_sup_sta
.id
,
797 hw
->cap_sup_sta
.variant
, hw
->cap_sup_sta
.bottom
,
798 hw
->cap_sup_sta
.top
);
801 /* Compatibility range, primary f/w actor, CFI supplier */
802 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_PRI_CFIACTRANGES
,
803 &hw
->cap_act_pri_cfi
,
804 sizeof(hfa384x_caplevel_t
));
806 printk(KERN_ERR
"Failed to retrieve PRI_CFIACTRANGES\n");
810 /* get all the Compatibility range, primary f/w actor, CFI supplier
811 fields in byte order */
812 hw
->cap_act_pri_cfi
.role
= le16_to_cpu(hw
->cap_act_pri_cfi
.role
);
813 hw
->cap_act_pri_cfi
.id
= le16_to_cpu(hw
->cap_act_pri_cfi
.id
);
814 hw
->cap_act_pri_cfi
.variant
=
815 le16_to_cpu(hw
->cap_act_pri_cfi
.variant
);
816 hw
->cap_act_pri_cfi
.bottom
=
817 le16_to_cpu(hw
->cap_act_pri_cfi
.bottom
);
818 hw
->cap_act_pri_cfi
.top
= le16_to_cpu(hw
->cap_act_pri_cfi
.top
);
821 "PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
822 hw
->cap_act_pri_cfi
.role
, hw
->cap_act_pri_cfi
.id
,
823 hw
->cap_act_pri_cfi
.variant
, hw
->cap_act_pri_cfi
.bottom
,
824 hw
->cap_act_pri_cfi
.top
);
826 /* Compatibility range, sta f/w actor, CFI supplier */
827 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_STA_CFIACTRANGES
,
828 &hw
->cap_act_sta_cfi
,
829 sizeof(hfa384x_caplevel_t
));
831 printk(KERN_ERR
"Failed to retrieve STA_CFIACTRANGES\n");
835 /* get all the Compatibility range, station f/w actor, CFI supplier
836 fields in byte order */
837 hw
->cap_act_sta_cfi
.role
= le16_to_cpu(hw
->cap_act_sta_cfi
.role
);
838 hw
->cap_act_sta_cfi
.id
= le16_to_cpu(hw
->cap_act_sta_cfi
.id
);
839 hw
->cap_act_sta_cfi
.variant
=
840 le16_to_cpu(hw
->cap_act_sta_cfi
.variant
);
841 hw
->cap_act_sta_cfi
.bottom
=
842 le16_to_cpu(hw
->cap_act_sta_cfi
.bottom
);
843 hw
->cap_act_sta_cfi
.top
= le16_to_cpu(hw
->cap_act_sta_cfi
.top
);
846 "STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
847 hw
->cap_act_sta_cfi
.role
, hw
->cap_act_sta_cfi
.id
,
848 hw
->cap_act_sta_cfi
.variant
, hw
->cap_act_sta_cfi
.bottom
,
849 hw
->cap_act_sta_cfi
.top
);
851 /* Compatibility range, sta f/w actor, MFI supplier */
852 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_STA_MFIACTRANGES
,
853 &hw
->cap_act_sta_mfi
,
854 sizeof(hfa384x_caplevel_t
));
856 printk(KERN_ERR
"Failed to retrieve STA_MFIACTRANGES\n");
860 /* get all the Compatibility range, station f/w actor, MFI supplier
861 fields in byte order */
862 hw
->cap_act_sta_mfi
.role
= le16_to_cpu(hw
->cap_act_sta_mfi
.role
);
863 hw
->cap_act_sta_mfi
.id
= le16_to_cpu(hw
->cap_act_sta_mfi
.id
);
864 hw
->cap_act_sta_mfi
.variant
=
865 le16_to_cpu(hw
->cap_act_sta_mfi
.variant
);
866 hw
->cap_act_sta_mfi
.bottom
=
867 le16_to_cpu(hw
->cap_act_sta_mfi
.bottom
);
868 hw
->cap_act_sta_mfi
.top
= le16_to_cpu(hw
->cap_act_sta_mfi
.top
);
871 "STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
872 hw
->cap_act_sta_mfi
.role
, hw
->cap_act_sta_mfi
.id
,
873 hw
->cap_act_sta_mfi
.variant
, hw
->cap_act_sta_mfi
.bottom
,
874 hw
->cap_act_sta_mfi
.top
);
877 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_NICSERIALNUMBER
,
878 snum
, HFA384x_RID_NICSERIALNUMBER_LEN
);
880 wlan_mkprintstr(snum
, HFA384x_RID_NICSERIALNUMBER_LEN
,
882 printk(KERN_INFO
"Prism2 card SN: %s\n", pstr
);
884 printk(KERN_ERR
"Failed to retrieve Prism2 Card SN\n");
888 /* Collect the MAC address */
889 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_CNFOWNMACADDR
,
890 wlandev
->netdev
->dev_addr
, ETH_ALEN
);
892 printk(KERN_ERR
"Failed to retrieve mac address\n");
896 /* short preamble is always implemented */
897 wlandev
->nsdcaps
|= P80211_NSDCAP_SHORT_PREAMBLE
;
899 /* find out if hardware wep is implemented */
900 hfa384x_drvr_getconfig16(hw
, HFA384x_RID_PRIVACYOPTIMP
, &temp
);
902 wlandev
->nsdcaps
|= P80211_NSDCAP_HARDWAREWEP
;
904 /* get the dBm Scaling constant */
905 hfa384x_drvr_getconfig16(hw
, HFA384x_RID_CNFDBMADJUST
, &temp
);
906 hw
->dbmadjust
= temp
;
908 /* Only enable scan by default on newer firmware */
909 if (HFA384x_FIRMWARE_VERSION(hw
->ident_sta_fw
.major
,
910 hw
->ident_sta_fw
.minor
,
911 hw
->ident_sta_fw
.variant
) <
912 HFA384x_FIRMWARE_VERSION(1, 5, 5)) {
913 wlandev
->nsdcaps
|= P80211_NSDCAP_NOSCAN
;
916 /* TODO: Set any internally managed config items */
920 printk(KERN_ERR
"Failed, result=%d\n", result
);
925 /*----------------------------------------------------------------
926 * prism2sta_globalsetup
928 * Set any global RIDs that we want to set at device activation.
931 * wlandev wlan device structure
935 * >0 f/w reported error
936 * <0 driver reported error
942 ----------------------------------------------------------------*/
943 static int prism2sta_globalsetup(wlandevice_t
*wlandev
)
945 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
947 /* Set the maximum frame size */
948 return hfa384x_drvr_setconfig16(hw
, HFA384x_RID_CNFMAXDATALEN
,
952 static int prism2sta_setmulticast(wlandevice_t
*wlandev
, netdevice_t
*dev
)
955 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
959 /* If we're not ready, what's the point? */
960 if (hw
->state
!= HFA384x_STATE_RUNNING
)
963 if ((dev
->flags
& (IFF_PROMISC
| IFF_ALLMULTI
)) != 0)
964 promisc
= P80211ENUM_truth_true
;
966 promisc
= P80211ENUM_truth_false
;
969 hfa384x_drvr_setconfig16_async(hw
, HFA384x_RID_PROMISCMODE
,
975 /*----------------------------------------------------------------
976 * prism2sta_inf_handover
978 * Handles the receipt of a Handover info frame. Should only be present
982 * wlandev wlan device structure
983 * inf ptr to info frame (contents in hfa384x order)
992 ----------------------------------------------------------------*/
993 static void prism2sta_inf_handover(wlandevice_t
*wlandev
,
994 hfa384x_InfFrame_t
*inf
)
996 pr_debug("received infoframe:HANDOVER (unhandled)\n");
1000 /*----------------------------------------------------------------
1001 * prism2sta_inf_tallies
1003 * Handles the receipt of a CommTallies info frame.
1006 * wlandev wlan device structure
1007 * inf ptr to info frame (contents in hfa384x order)
1016 ----------------------------------------------------------------*/
1017 static void prism2sta_inf_tallies(wlandevice_t
*wlandev
,
1018 hfa384x_InfFrame_t
*inf
)
1020 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1028 ** Determine if these are 16-bit or 32-bit tallies, based on the
1029 ** record length of the info record.
1032 cnt
= sizeof(hfa384x_CommTallies32_t
) / sizeof(u32
);
1033 if (inf
->framelen
> 22) {
1034 dst
= (u32
*)&hw
->tallies
;
1035 src32
= (u32
*)&inf
->info
.commtallies32
;
1036 for (i
= 0; i
< cnt
; i
++, dst
++, src32
++)
1037 *dst
+= le32_to_cpu(*src32
);
1039 dst
= (u32
*)&hw
->tallies
;
1040 src16
= (u16
*)&inf
->info
.commtallies16
;
1041 for (i
= 0; i
< cnt
; i
++, dst
++, src16
++)
1042 *dst
+= le16_to_cpu(*src16
);
1048 /*----------------------------------------------------------------
1049 * prism2sta_inf_scanresults
1051 * Handles the receipt of a Scan Results info frame.
1054 * wlandev wlan device structure
1055 * inf ptr to info frame (contents in hfa384x order)
1064 ----------------------------------------------------------------*/
1065 static void prism2sta_inf_scanresults(wlandevice_t
*wlandev
,
1066 hfa384x_InfFrame_t
*inf
)
1069 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1071 hfa384x_ScanResult_t
*sr
= &(inf
->info
.scanresult
);
1073 hfa384x_JoinRequest_data_t joinreq
;
1076 /* Get the number of results, first in bytes, then in results */
1077 nbss
= (inf
->framelen
* sizeof(u16
)) -
1078 sizeof(inf
->infotype
) - sizeof(inf
->info
.scanresult
.scanreason
);
1079 nbss
/= sizeof(hfa384x_ScanResultSub_t
);
1082 pr_debug("rx scanresults, reason=%d, nbss=%d:\n",
1083 inf
->info
.scanresult
.scanreason
, nbss
);
1084 for (i
= 0; i
< nbss
; i
++) {
1085 pr_debug("chid=%d anl=%d sl=%d bcnint=%d\n",
1088 sr
->result
[i
].sl
, sr
->result
[i
].bcnint
);
1089 pr_debug(" capinfo=0x%04x proberesp_rate=%d\n",
1090 sr
->result
[i
].capinfo
, sr
->result
[i
].proberesp_rate
);
1092 /* issue a join request */
1093 joinreq
.channel
= sr
->result
[0].chid
;
1094 memcpy(joinreq
.bssid
, sr
->result
[0].bssid
, WLAN_BSSID_LEN
);
1095 result
= hfa384x_drvr_setconfig(hw
,
1096 HFA384x_RID_JOINREQUEST
,
1097 &joinreq
, HFA384x_RID_JOINREQUEST_LEN
);
1099 printk(KERN_ERR
"setconfig(joinreq) failed, result=%d\n",
1106 /*----------------------------------------------------------------
1107 * prism2sta_inf_hostscanresults
1109 * Handles the receipt of a Scan Results info frame.
1112 * wlandev wlan device structure
1113 * inf ptr to info frame (contents in hfa384x order)
1122 ----------------------------------------------------------------*/
1123 static void prism2sta_inf_hostscanresults(wlandevice_t
*wlandev
,
1124 hfa384x_InfFrame_t
*inf
)
1126 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1129 nbss
= (inf
->framelen
- 3) / 32;
1130 pr_debug("Received %d hostscan results\n", nbss
);
1135 kfree(hw
->scanresults
);
1137 hw
->scanresults
= kmalloc(sizeof(hfa384x_InfFrame_t
), GFP_ATOMIC
);
1138 memcpy(hw
->scanresults
, inf
, sizeof(hfa384x_InfFrame_t
));
1143 /* Notify/wake the sleeping caller. */
1144 hw
->scanflag
= nbss
;
1145 wake_up_interruptible(&hw
->cmdq
);
1148 /*----------------------------------------------------------------
1149 * prism2sta_inf_chinforesults
1151 * Handles the receipt of a Channel Info Results info frame.
1154 * wlandev wlan device structure
1155 * inf ptr to info frame (contents in hfa384x order)
1164 ----------------------------------------------------------------*/
1165 static void prism2sta_inf_chinforesults(wlandevice_t
*wlandev
,
1166 hfa384x_InfFrame_t
*inf
)
1168 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1171 hw
->channel_info
.results
.scanchannels
=
1172 le16_to_cpu(inf
->info
.chinforesult
.scanchannels
);
1174 for (i
= 0, n
= 0; i
< HFA384x_CHINFORESULT_MAX
; i
++) {
1175 if (hw
->channel_info
.results
.scanchannels
& (1 << i
)) {
1177 le16_to_cpu(inf
->info
.chinforesult
.result
[n
].
1179 hfa384x_ChInfoResultSub_t
*chinforesult
=
1180 &hw
->channel_info
.results
.result
[channel
];
1181 chinforesult
->chid
= channel
;
1183 le16_to_cpu(inf
->info
.chinforesult
.result
[n
].
1186 le16_to_cpu(inf
->info
.chinforesult
.result
[n
].
1188 chinforesult
->active
=
1189 le16_to_cpu(inf
->info
.chinforesult
.result
[n
].
1192 "chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
1195 active
& HFA384x_CHINFORESULT_BSSACTIVE
?
1196 "signal" : "noise", chinforesult
->anl
,
1199 active
& HFA384x_CHINFORESULT_PCFACTIVE
? 1 : 0);
1203 atomic_set(&hw
->channel_info
.done
, 2);
1205 hw
->channel_info
.count
= n
;
1209 void prism2sta_processing_defer(struct work_struct
*data
)
1211 hfa384x_t
*hw
= container_of(data
, struct hfa384x
, link_bh
);
1212 wlandevice_t
*wlandev
= hw
->wlandev
;
1213 hfa384x_bytestr32_t ssid
;
1216 /* First let's process the auth frames */
1218 struct sk_buff
*skb
;
1219 hfa384x_InfFrame_t
*inf
;
1221 while ((skb
= skb_dequeue(&hw
->authq
))) {
1222 inf
= (hfa384x_InfFrame_t
*) skb
->data
;
1223 prism2sta_inf_authreq_defer(wlandev
, inf
);
1228 /* Now let's handle the linkstatus stuff */
1229 if (hw
->link_status
== hw
->link_status_new
)
1232 hw
->link_status
= hw
->link_status_new
;
1234 switch (hw
->link_status
) {
1235 case HFA384x_LINK_NOTCONNECTED
:
1236 /* I'm currently assuming that this is the initial link
1237 * state. It should only be possible immediately
1238 * following an Enable command.
1240 * Block Transmits, Ignore receives of data frames
1242 netif_carrier_off(wlandev
->netdev
);
1244 printk(KERN_INFO
"linkstatus=NOTCONNECTED (unhandled)\n");
1247 case HFA384x_LINK_CONNECTED
:
1248 /* This one indicates a successful scan/join/auth/assoc.
1249 * When we have the full MLME complement, this event will
1250 * signify successful completion of both mlme_authenticate
1251 * and mlme_associate. State management will get a little
1254 * Indicate authentication and/or association
1255 * Enable Transmits, Receives and pass up data frames
1258 netif_carrier_on(wlandev
->netdev
);
1260 /* If we are joining a specific AP, set our state and reset retries */
1261 if (hw
->join_ap
== 1)
1263 hw
->join_retries
= 60;
1265 /* Don't call this in monitor mode */
1266 if (wlandev
->netdev
->type
== ARPHRD_ETHER
) {
1269 printk(KERN_INFO
"linkstatus=CONNECTED\n");
1271 /* For non-usb devices, we can use the sync versions */
1272 /* Collect the BSSID, and set state to allow tx */
1274 result
= hfa384x_drvr_getconfig(hw
,
1275 HFA384x_RID_CURRENTBSSID
,
1280 "getconfig(0x%02x) failed, result = %d\n",
1281 HFA384x_RID_CURRENTBSSID
, result
);
1285 result
= hfa384x_drvr_getconfig(hw
,
1286 HFA384x_RID_CURRENTSSID
,
1287 &ssid
, sizeof(ssid
));
1290 "getconfig(0x%02x) failed, result = %d\n",
1291 HFA384x_RID_CURRENTSSID
, result
);
1294 prism2mgmt_bytestr2pstr((hfa384x_bytestr_t
*)&ssid
,
1295 (p80211pstrd_t
*)&wlandev
->
1298 /* Collect the port status */
1299 result
= hfa384x_drvr_getconfig16(hw
,
1300 HFA384x_RID_PORTSTATUS
,
1304 "getconfig(0x%02x) failed, result = %d\n",
1305 HFA384x_RID_PORTSTATUS
, result
);
1309 (portstatus
== HFA384x_PSTATUS_CONN_IBSS
) ?
1310 WLAN_MACMODE_IBSS_STA
: WLAN_MACMODE_ESS_STA
;
1312 /* Get the ball rolling on the comms quality stuff */
1313 prism2sta_commsqual_defer(&hw
->commsqual_bh
);
1317 case HFA384x_LINK_DISCONNECTED
:
1318 /* This one indicates that our association is gone. We've
1319 * lost connection with the AP and/or been disassociated.
1320 * This indicates that the MAC has completely cleared it's
1321 * associated state. We * should send a deauth indication
1322 * (implying disassoc) up * to the MLME.
1324 * Indicate Deauthentication
1325 * Block Transmits, Ignore receives of data frames
1327 if (hw
->join_ap
== 2) {
1328 hfa384x_JoinRequest_data_t joinreq
;
1329 joinreq
= hw
->joinreq
;
1330 /* Send the join request */
1331 hfa384x_drvr_setconfig(hw
,
1332 HFA384x_RID_JOINREQUEST
,
1334 HFA384x_RID_JOINREQUEST_LEN
);
1336 "linkstatus=DISCONNECTED (re-submitting join)\n");
1338 if (wlandev
->netdev
->type
== ARPHRD_ETHER
)
1340 "linkstatus=DISCONNECTED (unhandled)\n");
1342 wlandev
->macmode
= WLAN_MACMODE_NONE
;
1344 netif_carrier_off(wlandev
->netdev
);
1348 case HFA384x_LINK_AP_CHANGE
:
1349 /* This one indicates that the MAC has decided to and
1350 * successfully completed a change to another AP. We
1351 * should probably implement a reassociation indication
1352 * in response to this one. I'm thinking that the the
1353 * p80211 layer needs to be notified in case of
1354 * buffering/queueing issues. User mode also needs to be
1355 * notified so that any BSS dependent elements can be
1357 * associated state. We * should send a deauth indication
1358 * (implying disassoc) up * to the MLME.
1360 * Indicate Reassociation
1361 * Enable Transmits, Receives and pass up data frames
1363 printk(KERN_INFO
"linkstatus=AP_CHANGE\n");
1365 result
= hfa384x_drvr_getconfig(hw
,
1366 HFA384x_RID_CURRENTBSSID
,
1367 wlandev
->bssid
, WLAN_BSSID_LEN
);
1370 "getconfig(0x%02x) failed, result = %d\n",
1371 HFA384x_RID_CURRENTBSSID
, result
);
1375 result
= hfa384x_drvr_getconfig(hw
,
1376 HFA384x_RID_CURRENTSSID
,
1377 &ssid
, sizeof(ssid
));
1380 "getconfig(0x%02x) failed, result = %d\n",
1381 HFA384x_RID_CURRENTSSID
, result
);
1384 prism2mgmt_bytestr2pstr((hfa384x_bytestr_t
*)&ssid
,
1385 (p80211pstrd_t
*)&wlandev
->ssid
);
1387 hw
->link_status
= HFA384x_LINK_CONNECTED
;
1388 netif_carrier_on(wlandev
->netdev
);
1392 case HFA384x_LINK_AP_OUTOFRANGE
:
1393 /* This one indicates that the MAC has decided that the
1394 * AP is out of range, but hasn't found a better candidate
1395 * so the MAC maintains its "associated" state in case
1396 * we get back in range. We should block transmits and
1397 * receives in this state. Do we need an indication here?
1398 * Probably not since a polling user-mode element would
1399 * get this status from from p2PortStatus(FD40). What about
1402 * Block Transmits, Ignore receives of data frames
1404 printk(KERN_INFO
"linkstatus=AP_OUTOFRANGE (unhandled)\n");
1406 netif_carrier_off(wlandev
->netdev
);
1410 case HFA384x_LINK_AP_INRANGE
:
1411 /* This one indicates that the MAC has decided that the
1412 * AP is back in range. We continue working with our
1413 * existing association.
1415 * Enable Transmits, Receives and pass up data frames
1417 printk(KERN_INFO
"linkstatus=AP_INRANGE\n");
1419 hw
->link_status
= HFA384x_LINK_CONNECTED
;
1420 netif_carrier_on(wlandev
->netdev
);
1424 case HFA384x_LINK_ASSOCFAIL
:
1425 /* This one is actually a peer to CONNECTED. We've
1426 * requested a join for a given SSID and optionally BSSID.
1427 * We can use this one to indicate authentication and
1428 * association failures. The trick is going to be
1429 * 1) identifying the failure, and 2) state management.
1431 * Disable Transmits, Ignore receives of data frames
1433 if (hw
->join_ap
&& --hw
->join_retries
> 0) {
1434 hfa384x_JoinRequest_data_t joinreq
;
1435 joinreq
= hw
->joinreq
;
1436 /* Send the join request */
1437 hfa384x_drvr_setconfig(hw
,
1438 HFA384x_RID_JOINREQUEST
,
1440 HFA384x_RID_JOINREQUEST_LEN
);
1442 "linkstatus=ASSOCFAIL (re-submitting join)\n");
1444 printk(KERN_INFO
"linkstatus=ASSOCFAIL (unhandled)\n");
1447 netif_carrier_off(wlandev
->netdev
);
1452 /* This is bad, IO port problems? */
1454 "unknown linkstatus=0x%02x\n", hw
->link_status
);
1459 wlandev
->linkstatus
= (hw
->link_status
== HFA384x_LINK_CONNECTED
);
1461 p80211wext_event_associated(wlandev
, wlandev
->linkstatus
);
1468 /*----------------------------------------------------------------
1469 * prism2sta_inf_linkstatus
1471 * Handles the receipt of a Link Status info frame.
1474 * wlandev wlan device structure
1475 * inf ptr to info frame (contents in hfa384x order)
1484 ----------------------------------------------------------------*/
1485 static void prism2sta_inf_linkstatus(wlandevice_t
*wlandev
,
1486 hfa384x_InfFrame_t
*inf
)
1488 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1490 hw
->link_status_new
= le16_to_cpu(inf
->info
.linkstatus
.linkstatus
);
1492 schedule_work(&hw
->link_bh
);
1497 /*----------------------------------------------------------------
1498 * prism2sta_inf_assocstatus
1500 * Handles the receipt of an Association Status info frame. Should
1501 * be present in APs only.
1504 * wlandev wlan device structure
1505 * inf ptr to info frame (contents in hfa384x order)
1514 ----------------------------------------------------------------*/
1515 static void prism2sta_inf_assocstatus(wlandevice_t
*wlandev
,
1516 hfa384x_InfFrame_t
*inf
)
1518 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1519 hfa384x_AssocStatus_t rec
;
1522 memcpy(&rec
, &inf
->info
.assocstatus
, sizeof(rec
));
1523 rec
.assocstatus
= le16_to_cpu(rec
.assocstatus
);
1524 rec
.reason
= le16_to_cpu(rec
.reason
);
1527 ** Find the address in the list of authenticated stations. If it wasn't
1528 ** found, then this address has not been previously authenticated and
1529 ** something weird has happened if this is anything other than an
1530 ** "authentication failed" message. If the address was found, then
1531 ** set the "associated" flag for that station, based on whether the
1532 ** station is associating or losing its association. Something weird
1533 ** has also happened if we find the address in the list of authenticated
1534 ** stations but we are getting an "authentication failed" message.
1537 for (i
= 0; i
< hw
->authlist
.cnt
; i
++)
1538 if (memcmp(rec
.sta_addr
, hw
->authlist
.addr
[i
], ETH_ALEN
) == 0)
1541 if (i
>= hw
->authlist
.cnt
) {
1542 if (rec
.assocstatus
!= HFA384x_ASSOCSTATUS_AUTHFAIL
)
1544 "assocstatus info frame received for non-authenticated station.\n");
1546 hw
->authlist
.assoc
[i
] =
1547 (rec
.assocstatus
== HFA384x_ASSOCSTATUS_STAASSOC
||
1548 rec
.assocstatus
== HFA384x_ASSOCSTATUS_REASSOC
);
1550 if (rec
.assocstatus
== HFA384x_ASSOCSTATUS_AUTHFAIL
)
1552 "authfail assocstatus info frame received for authenticated station.\n");
1558 /*----------------------------------------------------------------
1559 * prism2sta_inf_authreq
1561 * Handles the receipt of an Authentication Request info frame. Should
1562 * be present in APs only.
1565 * wlandev wlan device structure
1566 * inf ptr to info frame (contents in hfa384x order)
1576 ----------------------------------------------------------------*/
1577 static void prism2sta_inf_authreq(wlandevice_t
*wlandev
,
1578 hfa384x_InfFrame_t
*inf
)
1580 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1581 struct sk_buff
*skb
;
1583 skb
= dev_alloc_skb(sizeof(*inf
));
1585 skb_put(skb
, sizeof(*inf
));
1586 memcpy(skb
->data
, inf
, sizeof(*inf
));
1587 skb_queue_tail(&hw
->authq
, skb
);
1588 schedule_work(&hw
->link_bh
);
1592 static void prism2sta_inf_authreq_defer(wlandevice_t
*wlandev
,
1593 hfa384x_InfFrame_t
*inf
)
1595 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1596 hfa384x_authenticateStation_data_t rec
;
1598 int i
, added
, result
, cnt
;
1602 ** Build the AuthenticateStation record. Initialize it for denying
1606 memcpy(rec
.address
, inf
->info
.authreq
.sta_addr
, ETH_ALEN
);
1607 rec
.status
= P80211ENUM_status_unspec_failure
;
1610 ** Authenticate based on the access mode.
1613 switch (hw
->accessmode
) {
1614 case WLAN_ACCESS_NONE
:
1617 ** Deny all new authentications. However, if a station
1618 ** is ALREADY authenticated, then accept it.
1621 for (i
= 0; i
< hw
->authlist
.cnt
; i
++)
1622 if (memcmp(rec
.address
, hw
->authlist
.addr
[i
],
1624 rec
.status
= P80211ENUM_status_successful
;
1630 case WLAN_ACCESS_ALL
:
1633 ** Allow all authentications.
1636 rec
.status
= P80211ENUM_status_successful
;
1639 case WLAN_ACCESS_ALLOW
:
1642 ** Only allow the authentication if the MAC address
1643 ** is in the list of allowed addresses.
1645 ** Since this is the interrupt handler, we may be here
1646 ** while the access list is in the middle of being
1647 ** updated. Choose the list which is currently okay.
1648 ** See "prism2mib_priv_accessallow()" for details.
1651 if (hw
->allow
.modify
== 0) {
1652 cnt
= hw
->allow
.cnt
;
1653 addr
= hw
->allow
.addr
[0];
1655 cnt
= hw
->allow
.cnt1
;
1656 addr
= hw
->allow
.addr1
[0];
1659 for (i
= 0; i
< cnt
; i
++, addr
+= ETH_ALEN
)
1660 if (memcmp(rec
.address
, addr
, ETH_ALEN
) == 0) {
1661 rec
.status
= P80211ENUM_status_successful
;
1667 case WLAN_ACCESS_DENY
:
1670 ** Allow the authentication UNLESS the MAC address is
1671 ** in the list of denied addresses.
1673 ** Since this is the interrupt handler, we may be here
1674 ** while the access list is in the middle of being
1675 ** updated. Choose the list which is currently okay.
1676 ** See "prism2mib_priv_accessdeny()" for details.
1679 if (hw
->deny
.modify
== 0) {
1681 addr
= hw
->deny
.addr
[0];
1683 cnt
= hw
->deny
.cnt1
;
1684 addr
= hw
->deny
.addr1
[0];
1687 rec
.status
= P80211ENUM_status_successful
;
1689 for (i
= 0; i
< cnt
; i
++, addr
+= ETH_ALEN
)
1690 if (memcmp(rec
.address
, addr
, ETH_ALEN
) == 0) {
1691 rec
.status
= P80211ENUM_status_unspec_failure
;
1699 ** If the authentication is okay, then add the MAC address to the list
1700 ** of authenticated stations. Don't add the address if it is already in
1701 ** the list. (802.11b does not seem to disallow a station from issuing
1702 ** an authentication request when the station is already authenticated.
1703 ** Does this sort of thing ever happen? We might as well do the check
1709 if (rec
.status
== P80211ENUM_status_successful
) {
1710 for (i
= 0; i
< hw
->authlist
.cnt
; i
++)
1711 if (memcmp(rec
.address
, hw
->authlist
.addr
[i
], ETH_ALEN
)
1715 if (i
>= hw
->authlist
.cnt
) {
1716 if (hw
->authlist
.cnt
>= WLAN_AUTH_MAX
) {
1717 rec
.status
= P80211ENUM_status_ap_full
;
1719 memcpy(hw
->authlist
.addr
[hw
->authlist
.cnt
],
1720 rec
.address
, ETH_ALEN
);
1728 ** Send back the results of the authentication. If this doesn't work,
1729 ** then make sure to remove the address from the authenticated list if
1733 rec
.status
= cpu_to_le16(rec
.status
);
1734 rec
.algorithm
= inf
->info
.authreq
.algorithm
;
1736 result
= hfa384x_drvr_setconfig(hw
, HFA384x_RID_AUTHENTICATESTA
,
1742 "setconfig(authenticatestation) failed, result=%d\n",
1748 /*----------------------------------------------------------------
1749 * prism2sta_inf_psusercnt
1751 * Handles the receipt of a PowerSaveUserCount info frame. Should
1752 * be present in APs only.
1755 * wlandev wlan device structure
1756 * inf ptr to info frame (contents in hfa384x order)
1765 ----------------------------------------------------------------*/
1766 static void prism2sta_inf_psusercnt(wlandevice_t
*wlandev
,
1767 hfa384x_InfFrame_t
*inf
)
1769 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1771 hw
->psusercount
= le16_to_cpu(inf
->info
.psusercnt
.usercnt
);
1776 /*----------------------------------------------------------------
1779 * Handles the Info event.
1782 * wlandev wlan device structure
1783 * inf ptr to a generic info frame
1792 ----------------------------------------------------------------*/
1793 void prism2sta_ev_info(wlandevice_t
*wlandev
, hfa384x_InfFrame_t
*inf
)
1795 inf
->infotype
= le16_to_cpu(inf
->infotype
);
1797 switch (inf
->infotype
) {
1798 case HFA384x_IT_HANDOVERADDR
:
1799 prism2sta_inf_handover(wlandev
, inf
);
1801 case HFA384x_IT_COMMTALLIES
:
1802 prism2sta_inf_tallies(wlandev
, inf
);
1804 case HFA384x_IT_HOSTSCANRESULTS
:
1805 prism2sta_inf_hostscanresults(wlandev
, inf
);
1807 case HFA384x_IT_SCANRESULTS
:
1808 prism2sta_inf_scanresults(wlandev
, inf
);
1810 case HFA384x_IT_CHINFORESULTS
:
1811 prism2sta_inf_chinforesults(wlandev
, inf
);
1813 case HFA384x_IT_LINKSTATUS
:
1814 prism2sta_inf_linkstatus(wlandev
, inf
);
1816 case HFA384x_IT_ASSOCSTATUS
:
1817 prism2sta_inf_assocstatus(wlandev
, inf
);
1819 case HFA384x_IT_AUTHREQ
:
1820 prism2sta_inf_authreq(wlandev
, inf
);
1822 case HFA384x_IT_PSUSERCNT
:
1823 prism2sta_inf_psusercnt(wlandev
, inf
);
1825 case HFA384x_IT_KEYIDCHANGED
:
1826 printk(KERN_WARNING
"Unhandled IT_KEYIDCHANGED\n");
1828 case HFA384x_IT_ASSOCREQ
:
1829 printk(KERN_WARNING
"Unhandled IT_ASSOCREQ\n");
1831 case HFA384x_IT_MICFAILURE
:
1832 printk(KERN_WARNING
"Unhandled IT_MICFAILURE\n");
1836 "Unknown info type=0x%02x\n", inf
->infotype
);
1842 /*----------------------------------------------------------------
1843 * prism2sta_ev_txexc
1845 * Handles the TxExc event. A Transmit Exception event indicates
1846 * that the MAC's TX process was unsuccessful - so the packet did
1847 * not get transmitted.
1850 * wlandev wlan device structure
1851 * status tx frame status word
1860 ----------------------------------------------------------------*/
1861 void prism2sta_ev_txexc(wlandevice_t
*wlandev
, u16 status
)
1863 pr_debug("TxExc status=0x%x.\n", status
);
1868 /*----------------------------------------------------------------
1871 * Handles the Tx event.
1874 * wlandev wlan device structure
1875 * status tx frame status word
1883 ----------------------------------------------------------------*/
1884 void prism2sta_ev_tx(wlandevice_t
*wlandev
, u16 status
)
1886 pr_debug("Tx Complete, status=0x%04x\n", status
);
1887 /* update linux network stats */
1888 wlandev
->linux_stats
.tx_packets
++;
1892 /*----------------------------------------------------------------
1895 * Handles the Rx event.
1898 * wlandev wlan device structure
1907 ----------------------------------------------------------------*/
1908 void prism2sta_ev_rx(wlandevice_t
*wlandev
, struct sk_buff
*skb
)
1910 p80211netdev_rx(wlandev
, skb
);
1914 /*----------------------------------------------------------------
1915 * prism2sta_ev_alloc
1917 * Handles the Alloc event.
1920 * wlandev wlan device structure
1929 ----------------------------------------------------------------*/
1930 void prism2sta_ev_alloc(wlandevice_t
*wlandev
)
1932 netif_wake_queue(wlandev
->netdev
);
1936 /*----------------------------------------------------------------
1939 * Called at module init time. This creates the wlandevice_t structure
1940 * and initializes it with relevant bits.
1946 * the created wlandevice_t structure.
1949 * also allocates the priv/hw structures.
1954 ----------------------------------------------------------------*/
1955 static wlandevice_t
*create_wlan(void)
1957 wlandevice_t
*wlandev
= NULL
;
1958 hfa384x_t
*hw
= NULL
;
1960 /* Alloc our structures */
1961 wlandev
= kmalloc(sizeof(wlandevice_t
), GFP_KERNEL
);
1962 hw
= kmalloc(sizeof(hfa384x_t
), GFP_KERNEL
);
1964 if (!wlandev
|| !hw
) {
1965 printk(KERN_ERR
"%s: Memory allocation failure.\n", dev_info
);
1971 /* Clear all the structs */
1972 memset(wlandev
, 0, sizeof(wlandevice_t
));
1973 memset(hw
, 0, sizeof(hfa384x_t
));
1975 /* Initialize the network device object. */
1976 wlandev
->nsdname
= dev_info
;
1977 wlandev
->msdstate
= WLAN_MSD_HWPRESENT_PENDING
;
1979 wlandev
->open
= prism2sta_open
;
1980 wlandev
->close
= prism2sta_close
;
1981 wlandev
->reset
= prism2sta_reset
;
1982 wlandev
->txframe
= prism2sta_txframe
;
1983 wlandev
->mlmerequest
= prism2sta_mlmerequest
;
1984 wlandev
->set_multicast_list
= prism2sta_setmulticast
;
1985 wlandev
->tx_timeout
= hfa384x_tx_timeout
;
1987 wlandev
->nsdcaps
= P80211_NSDCAP_HWFRAGMENT
| P80211_NSDCAP_AUTOJOIN
;
1989 /* Initialize the device private data stucture. */
1990 hw
->dot11_desired_bss_type
= 1;
1995 void prism2sta_commsqual_defer(struct work_struct
*data
)
1997 hfa384x_t
*hw
= container_of(data
, struct hfa384x
, commsqual_bh
);
1998 wlandevice_t
*wlandev
= hw
->wlandev
;
1999 hfa384x_bytestr32_t ssid
;
2002 if (hw
->wlandev
->hwremoved
)
2005 /* we don't care if we're in AP mode */
2006 if ((wlandev
->macmode
== WLAN_MACMODE_NONE
) ||
2007 (wlandev
->macmode
== WLAN_MACMODE_ESS_AP
)) {
2011 /* It only makes sense to poll these in non-IBSS */
2012 if (wlandev
->macmode
!= WLAN_MACMODE_IBSS_STA
) {
2013 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_DBMCOMMSQUALITY
,
2015 HFA384x_RID_DBMCOMMSQUALITY_LEN
);
2018 printk(KERN_ERR
"error fetching commsqual\n");
2022 pr_debug("commsqual %d %d %d\n",
2023 le16_to_cpu(hw
->qual
.CQ_currBSS
),
2024 le16_to_cpu(hw
->qual
.ASL_currBSS
),
2025 le16_to_cpu(hw
->qual
.ANL_currFC
));
2028 /* Lastly, we need to make sure the BSSID didn't change on us */
2029 result
= hfa384x_drvr_getconfig(hw
,
2030 HFA384x_RID_CURRENTBSSID
,
2031 wlandev
->bssid
, WLAN_BSSID_LEN
);
2034 "getconfig(0x%02x) failed, result = %d\n",
2035 HFA384x_RID_CURRENTBSSID
, result
);
2039 result
= hfa384x_drvr_getconfig(hw
,
2040 HFA384x_RID_CURRENTSSID
,
2041 &ssid
, sizeof(ssid
));
2044 "getconfig(0x%02x) failed, result = %d\n",
2045 HFA384x_RID_CURRENTSSID
, result
);
2048 prism2mgmt_bytestr2pstr((hfa384x_bytestr_t
*)&ssid
,
2049 (p80211pstrd_t
*)&wlandev
->ssid
);
2051 /* Reschedule timer */
2052 mod_timer(&hw
->commsqual_timer
, jiffies
+ HZ
);
2058 void prism2sta_commsqual_timer(unsigned long data
)
2060 hfa384x_t
*hw
= (hfa384x_t
*) data
;
2062 schedule_work(&hw
->commsqual_bh
);