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/init.h>
59 #include <linux/slab.h>
60 #include <linux/wireless.h>
61 #include <linux/netdevice.h>
62 #include <linux/workqueue.h>
63 #include <linux/byteorder/generic.h>
64 #include <linux/ctype.h>
67 #include <linux/delay.h>
68 #include <asm/byteorder.h>
69 #include <linux/if_arp.h>
70 #include <linux/if_ether.h>
71 #include <linux/bitops.h>
73 #include "p80211types.h"
74 #include "p80211hdr.h"
75 #include "p80211mgmt.h"
76 #include "p80211conv.h"
77 #include "p80211msg.h"
78 #include "p80211netdev.h"
79 #include "p80211req.h"
80 #include "p80211metadef.h"
81 #include "p80211metastruct.h"
83 #include "prism2mgmt.h"
85 /* Create a string of printable chars from something that might not be */
86 /* It's recommended that the str be 4*len + 1 bytes long */
87 #define wlan_mkprintstr(buf, buflen, str, strlen) \
91 memset(str, 0, (strlen)); \
92 for (i = 0; i < (buflen); i++) { \
93 if (isprint((buf)[i])) { \
94 (str)[j] = (buf)[i]; \
99 (str)[j+2] = hex_asc_hi((buf)[i]); \
100 (str)[j+3] = hex_asc_lo((buf)[i]); \
106 static char *dev_info
= "prism2_usb";
107 static wlandevice_t
*create_wlan(void);
109 int prism2_reset_holdtime
= 30; /* Reset hold time in ms */
110 int prism2_reset_settletime
= 100; /* Reset settle time in ms */
112 static int prism2_doreset
; /* Do a reset at init? */
114 module_param(prism2_doreset
, int, 0644);
115 MODULE_PARM_DESC(prism2_doreset
, "Issue a reset on initialization");
117 module_param(prism2_reset_holdtime
, int, 0644);
118 MODULE_PARM_DESC(prism2_reset_holdtime
, "reset hold time in ms");
119 module_param(prism2_reset_settletime
, int, 0644);
120 MODULE_PARM_DESC(prism2_reset_settletime
, "reset settle time in ms");
122 MODULE_LICENSE("Dual MPL/GPL");
124 void prism2_connect_result(wlandevice_t
*wlandev
, u8 failed
);
125 void prism2_disconnected(wlandevice_t
*wlandev
);
126 void prism2_roamed(wlandevice_t
*wlandev
);
128 static int prism2sta_open(wlandevice_t
*wlandev
);
129 static int prism2sta_close(wlandevice_t
*wlandev
);
130 static void prism2sta_reset(wlandevice_t
*wlandev
);
131 static int prism2sta_txframe(wlandevice_t
*wlandev
, struct sk_buff
*skb
,
132 union p80211_hdr
*p80211_hdr
,
133 struct p80211_metawep
*p80211_wep
);
134 static int prism2sta_mlmerequest(wlandevice_t
*wlandev
, struct p80211msg
*msg
);
135 static int prism2sta_getcardinfo(wlandevice_t
*wlandev
);
136 static int prism2sta_globalsetup(wlandevice_t
*wlandev
);
137 static int prism2sta_setmulticast(wlandevice_t
*wlandev
, netdevice_t
*dev
);
139 static void prism2sta_inf_handover(wlandevice_t
*wlandev
,
140 hfa384x_InfFrame_t
*inf
);
141 static void prism2sta_inf_tallies(wlandevice_t
*wlandev
,
142 hfa384x_InfFrame_t
*inf
);
143 static void prism2sta_inf_hostscanresults(wlandevice_t
*wlandev
,
144 hfa384x_InfFrame_t
*inf
);
145 static void prism2sta_inf_scanresults(wlandevice_t
*wlandev
,
146 hfa384x_InfFrame_t
*inf
);
147 static void prism2sta_inf_chinforesults(wlandevice_t
*wlandev
,
148 hfa384x_InfFrame_t
*inf
);
149 static void prism2sta_inf_linkstatus(wlandevice_t
*wlandev
,
150 hfa384x_InfFrame_t
*inf
);
151 static void prism2sta_inf_assocstatus(wlandevice_t
*wlandev
,
152 hfa384x_InfFrame_t
*inf
);
153 static void prism2sta_inf_authreq(wlandevice_t
*wlandev
,
154 hfa384x_InfFrame_t
*inf
);
155 static void prism2sta_inf_authreq_defer(wlandevice_t
*wlandev
,
156 hfa384x_InfFrame_t
*inf
);
157 static void prism2sta_inf_psusercnt(wlandevice_t
*wlandev
,
158 hfa384x_InfFrame_t
*inf
);
160 /*----------------------------------------------------------------
163 * WLAN device open method. Called from p80211netdev when kernel
164 * device open (start) method is called in response to the
165 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
169 * wlandev wlan device structure
173 * >0 f/w reported error
174 * <0 driver reported error
180 ----------------------------------------------------------------*/
181 static int prism2sta_open(wlandevice_t
*wlandev
)
183 /* We don't currently have to do anything else.
184 * The setup of the MAC should be subsequently completed via
186 * Higher layers know we're ready from dev->start==1 and
187 * dev->tbusy==0. Our rx path knows to pass up received/
188 * frames because of dev->flags&IFF_UP is true.
194 /*----------------------------------------------------------------
197 * WLAN device close method. Called from p80211netdev when kernel
198 * device close method is called in response to the
199 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
203 * wlandev wlan device structure
207 * >0 f/w reported error
208 * <0 driver reported error
214 ----------------------------------------------------------------*/
215 static int prism2sta_close(wlandevice_t
*wlandev
)
217 /* We don't currently have to do anything else.
218 * Higher layers know we're not ready from dev->start==0 and
219 * dev->tbusy==1. Our rx path knows to not pass up received
220 * frames because of dev->flags&IFF_UP is false.
226 /*----------------------------------------------------------------
229 * Not currently implented.
232 * wlandev wlan device structure
242 ----------------------------------------------------------------*/
243 static void prism2sta_reset(wlandevice_t
*wlandev
)
247 /*----------------------------------------------------------------
250 * Takes a frame from p80211 and queues it for transmission.
253 * wlandev wlan device structure
254 * pb packet buffer struct. Contains an 802.11
256 * p80211_hdr points to the 802.11 header for the packet.
258 * 0 Success and more buffs available
259 * 1 Success but no more buffs
260 * 2 Allocation failure
261 * 4 Buffer full or queue busy
267 ----------------------------------------------------------------*/
268 static int prism2sta_txframe(wlandevice_t
*wlandev
, struct sk_buff
*skb
,
269 union p80211_hdr
*p80211_hdr
,
270 struct p80211_metawep
*p80211_wep
)
272 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
275 /* If necessary, set the 802.11 WEP bit */
276 if ((wlandev
->hostwep
& (HOSTWEP_PRIVACYINVOKED
| HOSTWEP_ENCRYPT
)) ==
277 HOSTWEP_PRIVACYINVOKED
) {
278 p80211_hdr
->a3
.fc
|= cpu_to_le16(WLAN_SET_FC_ISWEP(1));
281 result
= hfa384x_drvr_txframe(hw
, skb
, p80211_hdr
, p80211_wep
);
286 /*----------------------------------------------------------------
287 * prism2sta_mlmerequest
289 * wlan command message handler. All we do here is pass the message
290 * over to the prism2sta_mgmt_handler.
293 * wlandev wlan device structure
294 * msg wlan command message
297 * <0 successful acceptance of message, but we're
298 * waiting for an async process to finish before
299 * we're done with the msg. When the asynch
300 * process is done, we'll call the p80211
301 * function p80211req_confirm() .
302 * >0 An error occurred while we were handling
309 ----------------------------------------------------------------*/
310 static int prism2sta_mlmerequest(wlandevice_t
*wlandev
, struct p80211msg
*msg
)
312 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
316 switch (msg
->msgcode
) {
317 case DIDmsg_dot11req_mibget
:
318 pr_debug("Received mibget request\n");
319 result
= prism2mgmt_mibset_mibget(wlandev
, msg
);
321 case DIDmsg_dot11req_mibset
:
322 pr_debug("Received mibset request\n");
323 result
= prism2mgmt_mibset_mibget(wlandev
, msg
);
325 case DIDmsg_dot11req_scan
:
326 pr_debug("Received scan request\n");
327 result
= prism2mgmt_scan(wlandev
, msg
);
329 case DIDmsg_dot11req_scan_results
:
330 pr_debug("Received scan_results request\n");
331 result
= prism2mgmt_scan_results(wlandev
, msg
);
333 case DIDmsg_dot11req_start
:
334 pr_debug("Received mlme start request\n");
335 result
= prism2mgmt_start(wlandev
, msg
);
338 * Prism2 specific messages
340 case DIDmsg_p2req_readpda
:
341 pr_debug("Received mlme readpda request\n");
342 result
= prism2mgmt_readpda(wlandev
, msg
);
344 case DIDmsg_p2req_ramdl_state
:
345 pr_debug("Received mlme ramdl_state request\n");
346 result
= prism2mgmt_ramdl_state(wlandev
, msg
);
348 case DIDmsg_p2req_ramdl_write
:
349 pr_debug("Received mlme ramdl_write request\n");
350 result
= prism2mgmt_ramdl_write(wlandev
, msg
);
352 case DIDmsg_p2req_flashdl_state
:
353 pr_debug("Received mlme flashdl_state request\n");
354 result
= prism2mgmt_flashdl_state(wlandev
, msg
);
356 case DIDmsg_p2req_flashdl_write
:
357 pr_debug("Received mlme flashdl_write request\n");
358 result
= prism2mgmt_flashdl_write(wlandev
, msg
);
361 * Linux specific messages
363 case DIDmsg_lnxreq_hostwep
:
364 break; /* ignore me. */
365 case DIDmsg_lnxreq_ifstate
:
367 struct p80211msg_lnxreq_ifstate
*ifstatemsg
;
368 pr_debug("Received mlme ifstate request\n");
369 ifstatemsg
= (struct p80211msg_lnxreq_ifstate
*) msg
;
371 prism2sta_ifstate(wlandev
,
372 ifstatemsg
->ifstate
.data
);
373 ifstatemsg
->resultcode
.status
=
374 P80211ENUM_msgitem_status_data_ok
;
375 ifstatemsg
->resultcode
.data
= result
;
379 case DIDmsg_lnxreq_wlansniff
:
380 pr_debug("Received mlme wlansniff request\n");
381 result
= prism2mgmt_wlansniff(wlandev
, msg
);
383 case DIDmsg_lnxreq_autojoin
:
384 pr_debug("Received mlme autojoin request\n");
385 result
= prism2mgmt_autojoin(wlandev
, msg
);
387 case DIDmsg_lnxreq_commsquality
:{
388 struct p80211msg_lnxreq_commsquality
*qualmsg
;
390 pr_debug("Received commsquality request\n");
392 qualmsg
= (struct p80211msg_lnxreq_commsquality
*) msg
;
394 qualmsg
->link
.status
=
395 P80211ENUM_msgitem_status_data_ok
;
396 qualmsg
->level
.status
=
397 P80211ENUM_msgitem_status_data_ok
;
398 qualmsg
->noise
.status
=
399 P80211ENUM_msgitem_status_data_ok
;
401 qualmsg
->link
.data
= le16_to_cpu(hw
->qual
.CQ_currBSS
);
402 qualmsg
->level
.data
= le16_to_cpu(hw
->qual
.ASL_currBSS
);
403 qualmsg
->noise
.data
= le16_to_cpu(hw
->qual
.ANL_currFC
);
404 qualmsg
->txrate
.data
= hw
->txrate
;
409 printk(KERN_WARNING
"Unknown mgmt request message 0x%08x",
417 /*----------------------------------------------------------------
420 * Interface state. This is the primary WLAN interface enable/disable
421 * handler. Following the driver/load/deviceprobe sequence, this
422 * function must be called with a state of "enable" before any other
423 * commands will be accepted.
426 * wlandev wlan device structure
427 * msgp ptr to msg buffer
430 * A p80211 message resultcode value.
435 * process thread (usually)
437 ----------------------------------------------------------------*/
438 u32
prism2sta_ifstate(wlandevice_t
*wlandev
, u32 ifstate
)
440 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
443 result
= P80211ENUM_resultcode_implementation_failure
;
445 pr_debug("Current MSD state(%d), requesting(%d)\n",
446 wlandev
->msdstate
, ifstate
);
448 case P80211ENUM_ifstate_fwload
:
449 switch (wlandev
->msdstate
) {
450 case WLAN_MSD_HWPRESENT
:
451 wlandev
->msdstate
= WLAN_MSD_FWLOAD_PENDING
;
453 * Initialize the device+driver sufficiently
454 * for firmware loading.
456 result
= hfa384x_drvr_start(hw
);
459 "hfa384x_drvr_start() failed,"
460 "result=%d\n", (int)result
);
462 P80211ENUM_resultcode_implementation_failure
;
463 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
466 wlandev
->msdstate
= WLAN_MSD_FWLOAD
;
467 result
= P80211ENUM_resultcode_success
;
469 case WLAN_MSD_FWLOAD
:
470 hfa384x_cmd_initialize(hw
);
471 result
= P80211ENUM_resultcode_success
;
473 case WLAN_MSD_RUNNING
:
475 "Cannot enter fwload state from enable state,"
476 "you must disable first.\n");
477 result
= P80211ENUM_resultcode_invalid_parameters
;
479 case WLAN_MSD_HWFAIL
:
481 /* probe() had a problem or the msdstate contains
482 * an unrecognized value, there's nothing we can do.
484 result
= P80211ENUM_resultcode_implementation_failure
;
488 case P80211ENUM_ifstate_enable
:
489 switch (wlandev
->msdstate
) {
490 case WLAN_MSD_HWPRESENT
:
491 case WLAN_MSD_FWLOAD
:
492 wlandev
->msdstate
= WLAN_MSD_RUNNING_PENDING
;
493 /* Initialize the device+driver for full
494 * operation. Note that this might me an FWLOAD to
495 * to RUNNING transition so we must not do a chip
496 * or board level reset. Note that on failure,
497 * the MSD state is set to HWPRESENT because we
498 * can't make any assumptions about the state
499 * of the hardware or a previous firmware load.
501 result
= hfa384x_drvr_start(hw
);
504 "hfa384x_drvr_start() failed,"
505 "result=%d\n", (int)result
);
507 P80211ENUM_resultcode_implementation_failure
;
508 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
512 result
= prism2sta_getcardinfo(wlandev
);
515 "prism2sta_getcardinfo() failed,"
516 "result=%d\n", (int)result
);
518 P80211ENUM_resultcode_implementation_failure
;
519 hfa384x_drvr_stop(hw
);
520 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
523 result
= prism2sta_globalsetup(wlandev
);
526 "prism2sta_globalsetup() failed,"
527 "result=%d\n", (int)result
);
529 P80211ENUM_resultcode_implementation_failure
;
530 hfa384x_drvr_stop(hw
);
531 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
534 wlandev
->msdstate
= WLAN_MSD_RUNNING
;
536 hw
->join_retries
= 60;
537 result
= P80211ENUM_resultcode_success
;
539 case WLAN_MSD_RUNNING
:
540 /* Do nothing, we're already in this state. */
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
;
552 case P80211ENUM_ifstate_disable
:
553 switch (wlandev
->msdstate
) {
554 case WLAN_MSD_HWPRESENT
:
555 /* Do nothing, we're already in this state. */
556 result
= P80211ENUM_resultcode_success
;
558 case WLAN_MSD_FWLOAD
:
559 case WLAN_MSD_RUNNING
:
560 wlandev
->msdstate
= WLAN_MSD_HWPRESENT_PENDING
;
562 * TODO: Shut down the MAC completely. Here a chip
563 * or board level reset is probably called for.
564 * After a "disable" _all_ results are lost, even
565 * those from a fwload.
567 if (!wlandev
->hwremoved
)
568 netif_carrier_off(wlandev
->netdev
);
570 hfa384x_drvr_stop(hw
);
572 wlandev
->macmode
= WLAN_MACMODE_NONE
;
573 wlandev
->msdstate
= WLAN_MSD_HWPRESENT
;
574 result
= P80211ENUM_resultcode_success
;
576 case WLAN_MSD_HWFAIL
:
578 /* probe() had a problem or the msdstate contains
579 * an unrecognized value, there's nothing we can do.
581 result
= P80211ENUM_resultcode_implementation_failure
;
586 result
= P80211ENUM_resultcode_invalid_parameters
;
593 /*----------------------------------------------------------------
594 * prism2sta_getcardinfo
596 * Collect the NICID, firmware version and any other identifiers
597 * we'd like to have in host-side data structures.
600 * wlandev wlan device structure
604 * >0 f/w reported error
605 * <0 driver reported error
611 ----------------------------------------------------------------*/
612 static int prism2sta_getcardinfo(wlandevice_t
*wlandev
)
615 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
617 u8 snum
[HFA384x_RID_NICSERIALNUMBER_LEN
];
618 char pstr
[(HFA384x_RID_NICSERIALNUMBER_LEN
* 4) + 1];
620 /* Collect version and compatibility info */
621 /* Some are critical, some are not */
623 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_NICIDENTITY
,
625 sizeof(hfa384x_compident_t
));
627 printk(KERN_ERR
"Failed to retrieve NICIDENTITY\n");
631 /* get all the nic id fields in host byte order */
632 hw
->ident_nic
.id
= le16_to_cpu(hw
->ident_nic
.id
);
633 hw
->ident_nic
.variant
= le16_to_cpu(hw
->ident_nic
.variant
);
634 hw
->ident_nic
.major
= le16_to_cpu(hw
->ident_nic
.major
);
635 hw
->ident_nic
.minor
= le16_to_cpu(hw
->ident_nic
.minor
);
637 printk(KERN_INFO
"ident: nic h/w: id=0x%02x %d.%d.%d\n",
638 hw
->ident_nic
.id
, hw
->ident_nic
.major
,
639 hw
->ident_nic
.minor
, hw
->ident_nic
.variant
);
641 /* Primary f/w identity */
642 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_PRIIDENTITY
,
644 sizeof(hfa384x_compident_t
));
646 printk(KERN_ERR
"Failed to retrieve PRIIDENTITY\n");
650 /* get all the private fw id fields in host byte order */
651 hw
->ident_pri_fw
.id
= le16_to_cpu(hw
->ident_pri_fw
.id
);
652 hw
->ident_pri_fw
.variant
= le16_to_cpu(hw
->ident_pri_fw
.variant
);
653 hw
->ident_pri_fw
.major
= le16_to_cpu(hw
->ident_pri_fw
.major
);
654 hw
->ident_pri_fw
.minor
= le16_to_cpu(hw
->ident_pri_fw
.minor
);
656 printk(KERN_INFO
"ident: pri f/w: id=0x%02x %d.%d.%d\n",
657 hw
->ident_pri_fw
.id
, hw
->ident_pri_fw
.major
,
658 hw
->ident_pri_fw
.minor
, hw
->ident_pri_fw
.variant
);
660 /* Station (Secondary?) f/w identity */
661 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_STAIDENTITY
,
663 sizeof(hfa384x_compident_t
));
665 printk(KERN_ERR
"Failed to retrieve STAIDENTITY\n");
669 if (hw
->ident_nic
.id
< 0x8000) {
671 "FATAL: Card is not an Intersil Prism2/2.5/3\n");
676 /* get all the station fw id fields in host byte order */
677 hw
->ident_sta_fw
.id
= le16_to_cpu(hw
->ident_sta_fw
.id
);
678 hw
->ident_sta_fw
.variant
= le16_to_cpu(hw
->ident_sta_fw
.variant
);
679 hw
->ident_sta_fw
.major
= le16_to_cpu(hw
->ident_sta_fw
.major
);
680 hw
->ident_sta_fw
.minor
= le16_to_cpu(hw
->ident_sta_fw
.minor
);
682 /* strip out the 'special' variant bits */
683 hw
->mm_mods
= hw
->ident_sta_fw
.variant
& (BIT(14) | BIT(15));
684 hw
->ident_sta_fw
.variant
&= ~((u16
) (BIT(14) | BIT(15)));
686 if (hw
->ident_sta_fw
.id
== 0x1f) {
688 "ident: sta f/w: id=0x%02x %d.%d.%d\n",
689 hw
->ident_sta_fw
.id
, hw
->ident_sta_fw
.major
,
690 hw
->ident_sta_fw
.minor
, hw
->ident_sta_fw
.variant
);
693 "ident: ap f/w: id=0x%02x %d.%d.%d\n",
694 hw
->ident_sta_fw
.id
, hw
->ident_sta_fw
.major
,
695 hw
->ident_sta_fw
.minor
, hw
->ident_sta_fw
.variant
);
696 printk(KERN_ERR
"Unsupported Tertiary AP firmeare loaded!\n");
700 /* Compatibility range, Modem supplier */
701 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_MFISUPRANGE
,
703 sizeof(hfa384x_caplevel_t
));
705 printk(KERN_ERR
"Failed to retrieve MFISUPRANGE\n");
709 /* get all the Compatibility range, modem interface supplier
710 fields in byte order */
711 hw
->cap_sup_mfi
.role
= le16_to_cpu(hw
->cap_sup_mfi
.role
);
712 hw
->cap_sup_mfi
.id
= le16_to_cpu(hw
->cap_sup_mfi
.id
);
713 hw
->cap_sup_mfi
.variant
= le16_to_cpu(hw
->cap_sup_mfi
.variant
);
714 hw
->cap_sup_mfi
.bottom
= le16_to_cpu(hw
->cap_sup_mfi
.bottom
);
715 hw
->cap_sup_mfi
.top
= le16_to_cpu(hw
->cap_sup_mfi
.top
);
718 "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
719 hw
->cap_sup_mfi
.role
, hw
->cap_sup_mfi
.id
,
720 hw
->cap_sup_mfi
.variant
, hw
->cap_sup_mfi
.bottom
,
721 hw
->cap_sup_mfi
.top
);
723 /* Compatibility range, Controller supplier */
724 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_CFISUPRANGE
,
726 sizeof(hfa384x_caplevel_t
));
728 printk(KERN_ERR
"Failed to retrieve CFISUPRANGE\n");
732 /* get all the Compatibility range, controller interface supplier
733 fields in byte order */
734 hw
->cap_sup_cfi
.role
= le16_to_cpu(hw
->cap_sup_cfi
.role
);
735 hw
->cap_sup_cfi
.id
= le16_to_cpu(hw
->cap_sup_cfi
.id
);
736 hw
->cap_sup_cfi
.variant
= le16_to_cpu(hw
->cap_sup_cfi
.variant
);
737 hw
->cap_sup_cfi
.bottom
= le16_to_cpu(hw
->cap_sup_cfi
.bottom
);
738 hw
->cap_sup_cfi
.top
= le16_to_cpu(hw
->cap_sup_cfi
.top
);
741 "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
742 hw
->cap_sup_cfi
.role
, hw
->cap_sup_cfi
.id
,
743 hw
->cap_sup_cfi
.variant
, hw
->cap_sup_cfi
.bottom
,
744 hw
->cap_sup_cfi
.top
);
746 /* Compatibility range, Primary f/w supplier */
747 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_PRISUPRANGE
,
749 sizeof(hfa384x_caplevel_t
));
751 printk(KERN_ERR
"Failed to retrieve PRISUPRANGE\n");
755 /* get all the Compatibility range, primary firmware supplier
756 fields in byte order */
757 hw
->cap_sup_pri
.role
= le16_to_cpu(hw
->cap_sup_pri
.role
);
758 hw
->cap_sup_pri
.id
= le16_to_cpu(hw
->cap_sup_pri
.id
);
759 hw
->cap_sup_pri
.variant
= le16_to_cpu(hw
->cap_sup_pri
.variant
);
760 hw
->cap_sup_pri
.bottom
= le16_to_cpu(hw
->cap_sup_pri
.bottom
);
761 hw
->cap_sup_pri
.top
= le16_to_cpu(hw
->cap_sup_pri
.top
);
764 "PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
765 hw
->cap_sup_pri
.role
, hw
->cap_sup_pri
.id
,
766 hw
->cap_sup_pri
.variant
, hw
->cap_sup_pri
.bottom
,
767 hw
->cap_sup_pri
.top
);
769 /* Compatibility range, Station f/w supplier */
770 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_STASUPRANGE
,
772 sizeof(hfa384x_caplevel_t
));
774 printk(KERN_ERR
"Failed to retrieve STASUPRANGE\n");
778 /* get all the Compatibility range, station firmware supplier
779 fields in byte order */
780 hw
->cap_sup_sta
.role
= le16_to_cpu(hw
->cap_sup_sta
.role
);
781 hw
->cap_sup_sta
.id
= le16_to_cpu(hw
->cap_sup_sta
.id
);
782 hw
->cap_sup_sta
.variant
= le16_to_cpu(hw
->cap_sup_sta
.variant
);
783 hw
->cap_sup_sta
.bottom
= le16_to_cpu(hw
->cap_sup_sta
.bottom
);
784 hw
->cap_sup_sta
.top
= le16_to_cpu(hw
->cap_sup_sta
.top
);
786 if (hw
->cap_sup_sta
.id
== 0x04) {
788 "STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
789 hw
->cap_sup_sta
.role
, hw
->cap_sup_sta
.id
,
790 hw
->cap_sup_sta
.variant
, hw
->cap_sup_sta
.bottom
,
791 hw
->cap_sup_sta
.top
);
794 "AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
795 hw
->cap_sup_sta
.role
, hw
->cap_sup_sta
.id
,
796 hw
->cap_sup_sta
.variant
, hw
->cap_sup_sta
.bottom
,
797 hw
->cap_sup_sta
.top
);
800 /* Compatibility range, primary f/w actor, CFI supplier */
801 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_PRI_CFIACTRANGES
,
802 &hw
->cap_act_pri_cfi
,
803 sizeof(hfa384x_caplevel_t
));
805 printk(KERN_ERR
"Failed to retrieve PRI_CFIACTRANGES\n");
809 /* get all the Compatibility range, primary f/w actor, CFI supplier
810 fields in byte order */
811 hw
->cap_act_pri_cfi
.role
= le16_to_cpu(hw
->cap_act_pri_cfi
.role
);
812 hw
->cap_act_pri_cfi
.id
= le16_to_cpu(hw
->cap_act_pri_cfi
.id
);
813 hw
->cap_act_pri_cfi
.variant
= le16_to_cpu(hw
->cap_act_pri_cfi
.variant
);
814 hw
->cap_act_pri_cfi
.bottom
= le16_to_cpu(hw
->cap_act_pri_cfi
.bottom
);
815 hw
->cap_act_pri_cfi
.top
= le16_to_cpu(hw
->cap_act_pri_cfi
.top
);
818 "PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
819 hw
->cap_act_pri_cfi
.role
, hw
->cap_act_pri_cfi
.id
,
820 hw
->cap_act_pri_cfi
.variant
, hw
->cap_act_pri_cfi
.bottom
,
821 hw
->cap_act_pri_cfi
.top
);
823 /* Compatibility range, sta f/w actor, CFI supplier */
824 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_STA_CFIACTRANGES
,
825 &hw
->cap_act_sta_cfi
,
826 sizeof(hfa384x_caplevel_t
));
828 printk(KERN_ERR
"Failed to retrieve STA_CFIACTRANGES\n");
832 /* get all the Compatibility range, station f/w actor, CFI supplier
833 fields in byte order */
834 hw
->cap_act_sta_cfi
.role
= le16_to_cpu(hw
->cap_act_sta_cfi
.role
);
835 hw
->cap_act_sta_cfi
.id
= le16_to_cpu(hw
->cap_act_sta_cfi
.id
);
836 hw
->cap_act_sta_cfi
.variant
= le16_to_cpu(hw
->cap_act_sta_cfi
.variant
);
837 hw
->cap_act_sta_cfi
.bottom
= le16_to_cpu(hw
->cap_act_sta_cfi
.bottom
);
838 hw
->cap_act_sta_cfi
.top
= le16_to_cpu(hw
->cap_act_sta_cfi
.top
);
841 "STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
842 hw
->cap_act_sta_cfi
.role
, hw
->cap_act_sta_cfi
.id
,
843 hw
->cap_act_sta_cfi
.variant
, hw
->cap_act_sta_cfi
.bottom
,
844 hw
->cap_act_sta_cfi
.top
);
846 /* Compatibility range, sta f/w actor, MFI supplier */
847 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_STA_MFIACTRANGES
,
848 &hw
->cap_act_sta_mfi
,
849 sizeof(hfa384x_caplevel_t
));
851 printk(KERN_ERR
"Failed to retrieve STA_MFIACTRANGES\n");
855 /* get all the Compatibility range, station f/w actor, MFI supplier
856 fields in byte order */
857 hw
->cap_act_sta_mfi
.role
= le16_to_cpu(hw
->cap_act_sta_mfi
.role
);
858 hw
->cap_act_sta_mfi
.id
= le16_to_cpu(hw
->cap_act_sta_mfi
.id
);
859 hw
->cap_act_sta_mfi
.variant
= le16_to_cpu(hw
->cap_act_sta_mfi
.variant
);
860 hw
->cap_act_sta_mfi
.bottom
= le16_to_cpu(hw
->cap_act_sta_mfi
.bottom
);
861 hw
->cap_act_sta_mfi
.top
= le16_to_cpu(hw
->cap_act_sta_mfi
.top
);
864 "STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
865 hw
->cap_act_sta_mfi
.role
, hw
->cap_act_sta_mfi
.id
,
866 hw
->cap_act_sta_mfi
.variant
, hw
->cap_act_sta_mfi
.bottom
,
867 hw
->cap_act_sta_mfi
.top
);
870 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_NICSERIALNUMBER
,
871 snum
, HFA384x_RID_NICSERIALNUMBER_LEN
);
873 wlan_mkprintstr(snum
, HFA384x_RID_NICSERIALNUMBER_LEN
,
875 printk(KERN_INFO
"Prism2 card SN: %s\n", pstr
);
877 printk(KERN_ERR
"Failed to retrieve Prism2 Card SN\n");
881 /* Collect the MAC address */
882 result
= hfa384x_drvr_getconfig(hw
, HFA384x_RID_CNFOWNMACADDR
,
883 wlandev
->netdev
->dev_addr
, ETH_ALEN
);
885 printk(KERN_ERR
"Failed to retrieve mac address\n");
889 /* short preamble is always implemented */
890 wlandev
->nsdcaps
|= P80211_NSDCAP_SHORT_PREAMBLE
;
892 /* find out if hardware wep is implemented */
893 hfa384x_drvr_getconfig16(hw
, HFA384x_RID_PRIVACYOPTIMP
, &temp
);
895 wlandev
->nsdcaps
|= P80211_NSDCAP_HARDWAREWEP
;
897 /* get the dBm Scaling constant */
898 hfa384x_drvr_getconfig16(hw
, HFA384x_RID_CNFDBMADJUST
, &temp
);
899 hw
->dbmadjust
= temp
;
901 /* Only enable scan by default on newer firmware */
902 if (HFA384x_FIRMWARE_VERSION(hw
->ident_sta_fw
.major
,
903 hw
->ident_sta_fw
.minor
,
904 hw
->ident_sta_fw
.variant
) <
905 HFA384x_FIRMWARE_VERSION(1, 5, 5)) {
906 wlandev
->nsdcaps
|= P80211_NSDCAP_NOSCAN
;
909 /* TODO: Set any internally managed config items */
913 printk(KERN_ERR
"Failed, result=%d\n", result
);
918 /*----------------------------------------------------------------
919 * prism2sta_globalsetup
921 * Set any global RIDs that we want to set at device activation.
924 * wlandev wlan device structure
928 * >0 f/w reported error
929 * <0 driver reported error
935 ----------------------------------------------------------------*/
936 static int prism2sta_globalsetup(wlandevice_t
*wlandev
)
938 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
940 /* Set the maximum frame size */
941 return hfa384x_drvr_setconfig16(hw
, HFA384x_RID_CNFMAXDATALEN
,
945 static int prism2sta_setmulticast(wlandevice_t
*wlandev
, netdevice_t
*dev
)
948 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
952 /* If we're not ready, what's the point? */
953 if (hw
->state
!= HFA384x_STATE_RUNNING
)
956 if ((dev
->flags
& (IFF_PROMISC
| IFF_ALLMULTI
)) != 0)
957 promisc
= P80211ENUM_truth_true
;
959 promisc
= P80211ENUM_truth_false
;
962 hfa384x_drvr_setconfig16_async(hw
, HFA384x_RID_PROMISCMODE
,
968 /*----------------------------------------------------------------
969 * prism2sta_inf_handover
971 * Handles the receipt of a Handover info frame. Should only be present
975 * wlandev wlan device structure
976 * inf ptr to info frame (contents in hfa384x order)
985 ----------------------------------------------------------------*/
986 static void prism2sta_inf_handover(wlandevice_t
*wlandev
,
987 hfa384x_InfFrame_t
*inf
)
989 pr_debug("received infoframe:HANDOVER (unhandled)\n");
992 /*----------------------------------------------------------------
993 * prism2sta_inf_tallies
995 * Handles the receipt of a CommTallies info frame.
998 * wlandev wlan device structure
999 * inf ptr to info frame (contents in hfa384x order)
1008 ----------------------------------------------------------------*/
1009 static void prism2sta_inf_tallies(wlandevice_t
*wlandev
,
1010 hfa384x_InfFrame_t
*inf
)
1012 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1020 ** Determine if these are 16-bit or 32-bit tallies, based on the
1021 ** record length of the info record.
1024 cnt
= sizeof(hfa384x_CommTallies32_t
) / sizeof(u32
);
1025 if (inf
->framelen
> 22) {
1026 dst
= (u32
*) &hw
->tallies
;
1027 src32
= (u32
*) &inf
->info
.commtallies32
;
1028 for (i
= 0; i
< cnt
; i
++, dst
++, src32
++)
1029 *dst
+= le32_to_cpu(*src32
);
1031 dst
= (u32
*) &hw
->tallies
;
1032 src16
= (u16
*) &inf
->info
.commtallies16
;
1033 for (i
= 0; i
< cnt
; i
++, dst
++, src16
++)
1034 *dst
+= le16_to_cpu(*src16
);
1038 /*----------------------------------------------------------------
1039 * prism2sta_inf_scanresults
1041 * Handles the receipt of a Scan Results info frame.
1044 * wlandev wlan device structure
1045 * inf ptr to info frame (contents in hfa384x order)
1054 ----------------------------------------------------------------*/
1055 static void prism2sta_inf_scanresults(wlandevice_t
*wlandev
,
1056 hfa384x_InfFrame_t
*inf
)
1059 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1061 hfa384x_ScanResult_t
*sr
= &(inf
->info
.scanresult
);
1063 hfa384x_JoinRequest_data_t joinreq
;
1066 /* Get the number of results, first in bytes, then in results */
1067 nbss
= (inf
->framelen
* sizeof(u16
)) -
1068 sizeof(inf
->infotype
) - sizeof(inf
->info
.scanresult
.scanreason
);
1069 nbss
/= sizeof(hfa384x_ScanResultSub_t
);
1072 pr_debug("rx scanresults, reason=%d, nbss=%d:\n",
1073 inf
->info
.scanresult
.scanreason
, nbss
);
1074 for (i
= 0; i
< nbss
; i
++) {
1075 pr_debug("chid=%d anl=%d sl=%d bcnint=%d\n",
1078 sr
->result
[i
].sl
, sr
->result
[i
].bcnint
);
1079 pr_debug(" capinfo=0x%04x proberesp_rate=%d\n",
1080 sr
->result
[i
].capinfo
, sr
->result
[i
].proberesp_rate
);
1082 /* issue a join request */
1083 joinreq
.channel
= sr
->result
[0].chid
;
1084 memcpy(joinreq
.bssid
, sr
->result
[0].bssid
, WLAN_BSSID_LEN
);
1085 result
= hfa384x_drvr_setconfig(hw
,
1086 HFA384x_RID_JOINREQUEST
,
1087 &joinreq
, HFA384x_RID_JOINREQUEST_LEN
);
1089 printk(KERN_ERR
"setconfig(joinreq) failed, result=%d\n",
1094 /*----------------------------------------------------------------
1095 * prism2sta_inf_hostscanresults
1097 * Handles the receipt of a Scan Results info frame.
1100 * wlandev wlan device structure
1101 * inf ptr to info frame (contents in hfa384x order)
1110 ----------------------------------------------------------------*/
1111 static void prism2sta_inf_hostscanresults(wlandevice_t
*wlandev
,
1112 hfa384x_InfFrame_t
*inf
)
1114 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1117 nbss
= (inf
->framelen
- 3) / 32;
1118 pr_debug("Received %d hostscan results\n", nbss
);
1123 kfree(hw
->scanresults
);
1125 hw
->scanresults
= kmemdup(inf
, sizeof(hfa384x_InfFrame_t
), GFP_ATOMIC
);
1130 /* Notify/wake the sleeping caller. */
1131 hw
->scanflag
= nbss
;
1132 wake_up_interruptible(&hw
->cmdq
);
1135 /*----------------------------------------------------------------
1136 * prism2sta_inf_chinforesults
1138 * Handles the receipt of a Channel Info Results info frame.
1141 * wlandev wlan device structure
1142 * inf ptr to info frame (contents in hfa384x order)
1151 ----------------------------------------------------------------*/
1152 static void prism2sta_inf_chinforesults(wlandevice_t
*wlandev
,
1153 hfa384x_InfFrame_t
*inf
)
1155 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1158 hw
->channel_info
.results
.scanchannels
=
1159 le16_to_cpu(inf
->info
.chinforesult
.scanchannels
);
1161 for (i
= 0, n
= 0; i
< HFA384x_CHINFORESULT_MAX
; i
++) {
1162 hfa384x_ChInfoResultSub_t
*result
;
1163 hfa384x_ChInfoResultSub_t
*chinforesult
;
1166 if (!(hw
->channel_info
.results
.scanchannels
& (1 << i
)))
1169 result
= &inf
->info
.chinforesult
.result
[n
];
1170 chan
= le16_to_cpu(result
->chid
) - 1;
1172 if (chan
< 0 || chan
>= HFA384x_CHINFORESULT_MAX
)
1175 chinforesult
= &hw
->channel_info
.results
.result
[chan
];
1176 chinforesult
->chid
= chan
;
1177 chinforesult
->anl
= le16_to_cpu(result
->anl
);
1178 chinforesult
->pnl
= le16_to_cpu(result
->pnl
);
1179 chinforesult
->active
= le16_to_cpu(result
->active
);
1181 pr_debug("chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
1183 (chinforesult
->active
& HFA384x_CHINFORESULT_BSSACTIVE
)
1184 ? "signal" : "noise",
1185 chinforesult
->anl
, chinforesult
->pnl
,
1186 (chinforesult
->active
& HFA384x_CHINFORESULT_PCFACTIVE
)
1190 atomic_set(&hw
->channel_info
.done
, 2);
1192 hw
->channel_info
.count
= n
;
1195 void prism2sta_processing_defer(struct work_struct
*data
)
1197 hfa384x_t
*hw
= container_of(data
, struct hfa384x
, link_bh
);
1198 wlandevice_t
*wlandev
= hw
->wlandev
;
1199 hfa384x_bytestr32_t ssid
;
1202 /* First let's process the auth frames */
1204 struct sk_buff
*skb
;
1205 hfa384x_InfFrame_t
*inf
;
1207 while ((skb
= skb_dequeue(&hw
->authq
))) {
1208 inf
= (hfa384x_InfFrame_t
*) skb
->data
;
1209 prism2sta_inf_authreq_defer(wlandev
, inf
);
1214 /* Now let's handle the linkstatus stuff */
1215 if (hw
->link_status
== hw
->link_status_new
)
1218 hw
->link_status
= hw
->link_status_new
;
1220 switch (hw
->link_status
) {
1221 case HFA384x_LINK_NOTCONNECTED
:
1222 /* I'm currently assuming that this is the initial link
1223 * state. It should only be possible immediately
1224 * following an Enable command.
1226 * Block Transmits, Ignore receives of data frames
1228 netif_carrier_off(wlandev
->netdev
);
1230 printk(KERN_INFO
"linkstatus=NOTCONNECTED (unhandled)\n");
1233 case HFA384x_LINK_CONNECTED
:
1234 /* This one indicates a successful scan/join/auth/assoc.
1235 * When we have the full MLME complement, this event will
1236 * signify successful completion of both mlme_authenticate
1237 * and mlme_associate. State management will get a little
1240 * Indicate authentication and/or association
1241 * Enable Transmits, Receives and pass up data frames
1244 netif_carrier_on(wlandev
->netdev
);
1246 /* If we are joining a specific AP, set our
1247 * state and reset retries
1249 if (hw
->join_ap
== 1)
1251 hw
->join_retries
= 60;
1253 /* Don't call this in monitor mode */
1254 if (wlandev
->netdev
->type
== ARPHRD_ETHER
) {
1257 printk(KERN_INFO
"linkstatus=CONNECTED\n");
1259 /* For non-usb devices, we can use the sync versions */
1260 /* Collect the BSSID, and set state to allow tx */
1262 result
= hfa384x_drvr_getconfig(hw
,
1263 HFA384x_RID_CURRENTBSSID
,
1268 ("getconfig(0x%02x) failed, result = %d\n",
1269 HFA384x_RID_CURRENTBSSID
, result
);
1273 result
= hfa384x_drvr_getconfig(hw
,
1274 HFA384x_RID_CURRENTSSID
,
1275 &ssid
, sizeof(ssid
));
1278 ("getconfig(0x%02x) failed, result = %d\n",
1279 HFA384x_RID_CURRENTSSID
, result
);
1282 prism2mgmt_bytestr2pstr((hfa384x_bytestr_t
*) &ssid
,
1286 /* Collect the port status */
1287 result
= hfa384x_drvr_getconfig16(hw
,
1288 HFA384x_RID_PORTSTATUS
,
1292 ("getconfig(0x%02x) failed, result = %d\n",
1293 HFA384x_RID_PORTSTATUS
, result
);
1297 (portstatus
== HFA384x_PSTATUS_CONN_IBSS
) ?
1298 WLAN_MACMODE_IBSS_STA
: WLAN_MACMODE_ESS_STA
;
1300 /* signal back up to cfg80211 layer */
1301 prism2_connect_result(wlandev
, P80211ENUM_truth_false
);
1303 /* Get the ball rolling on the comms quality stuff */
1304 prism2sta_commsqual_defer(&hw
->commsqual_bh
);
1308 case HFA384x_LINK_DISCONNECTED
:
1309 /* This one indicates that our association is gone. We've
1310 * lost connection with the AP and/or been disassociated.
1311 * This indicates that the MAC has completely cleared it's
1312 * associated state. We * should send a deauth indication
1313 * (implying disassoc) up * to the MLME.
1315 * Indicate Deauthentication
1316 * Block Transmits, Ignore receives of data frames
1318 if (wlandev
->netdev
->type
== ARPHRD_ETHER
)
1320 "linkstatus=DISCONNECTED (unhandled)\n");
1321 wlandev
->macmode
= WLAN_MACMODE_NONE
;
1323 netif_carrier_off(wlandev
->netdev
);
1325 /* signal back up to cfg80211 layer */
1326 prism2_disconnected(wlandev
);
1330 case HFA384x_LINK_AP_CHANGE
:
1331 /* This one indicates that the MAC has decided to and
1332 * successfully completed a change to another AP. We
1333 * should probably implement a reassociation indication
1334 * in response to this one. I'm thinking that the the
1335 * p80211 layer needs to be notified in case of
1336 * buffering/queueing issues. User mode also needs to be
1337 * notified so that any BSS dependent elements can be
1339 * associated state. We * should send a deauth indication
1340 * (implying disassoc) up * to the MLME.
1342 * Indicate Reassociation
1343 * Enable Transmits, Receives and pass up data frames
1345 printk(KERN_INFO
"linkstatus=AP_CHANGE\n");
1347 result
= hfa384x_drvr_getconfig(hw
,
1348 HFA384x_RID_CURRENTBSSID
,
1349 wlandev
->bssid
, WLAN_BSSID_LEN
);
1351 pr_debug("getconfig(0x%02x) failed, result = %d\n",
1352 HFA384x_RID_CURRENTBSSID
, result
);
1356 result
= hfa384x_drvr_getconfig(hw
,
1357 HFA384x_RID_CURRENTSSID
,
1358 &ssid
, sizeof(ssid
));
1360 pr_debug("getconfig(0x%02x) failed, result = %d\n",
1361 HFA384x_RID_CURRENTSSID
, result
);
1364 prism2mgmt_bytestr2pstr((hfa384x_bytestr_t
*) &ssid
,
1365 (p80211pstrd_t
*) &wlandev
->ssid
);
1367 hw
->link_status
= HFA384x_LINK_CONNECTED
;
1368 netif_carrier_on(wlandev
->netdev
);
1370 /* signal back up to cfg80211 layer */
1371 prism2_roamed(wlandev
);
1375 case HFA384x_LINK_AP_OUTOFRANGE
:
1376 /* This one indicates that the MAC has decided that the
1377 * AP is out of range, but hasn't found a better candidate
1378 * so the MAC maintains its "associated" state in case
1379 * we get back in range. We should block transmits and
1380 * receives in this state. Do we need an indication here?
1381 * Probably not since a polling user-mode element would
1382 * get this status from from p2PortStatus(FD40). What about
1385 * Block Transmits, Ignore receives of data frames
1387 printk(KERN_INFO
"linkstatus=AP_OUTOFRANGE (unhandled)\n");
1389 netif_carrier_off(wlandev
->netdev
);
1393 case HFA384x_LINK_AP_INRANGE
:
1394 /* This one indicates that the MAC has decided that the
1395 * AP is back in range. We continue working with our
1396 * existing association.
1398 * Enable Transmits, Receives and pass up data frames
1400 printk(KERN_INFO
"linkstatus=AP_INRANGE\n");
1402 hw
->link_status
= HFA384x_LINK_CONNECTED
;
1403 netif_carrier_on(wlandev
->netdev
);
1407 case HFA384x_LINK_ASSOCFAIL
:
1408 /* This one is actually a peer to CONNECTED. We've
1409 * requested a join for a given SSID and optionally BSSID.
1410 * We can use this one to indicate authentication and
1411 * association failures. The trick is going to be
1412 * 1) identifying the failure, and 2) state management.
1414 * Disable Transmits, Ignore receives of data frames
1416 if (hw
->join_ap
&& --hw
->join_retries
> 0) {
1417 hfa384x_JoinRequest_data_t joinreq
;
1418 joinreq
= hw
->joinreq
;
1419 /* Send the join request */
1420 hfa384x_drvr_setconfig(hw
,
1421 HFA384x_RID_JOINREQUEST
,
1423 HFA384x_RID_JOINREQUEST_LEN
);
1425 "linkstatus=ASSOCFAIL (re-submitting join)\n");
1427 printk(KERN_INFO
"linkstatus=ASSOCFAIL (unhandled)\n");
1430 netif_carrier_off(wlandev
->netdev
);
1432 /* signal back up to cfg80211 layer */
1433 prism2_connect_result(wlandev
, P80211ENUM_truth_true
);
1438 /* This is bad, IO port problems? */
1440 "unknown linkstatus=0x%02x\n", hw
->link_status
);
1444 wlandev
->linkstatus
= (hw
->link_status
== HFA384x_LINK_CONNECTED
);
1447 /*----------------------------------------------------------------
1448 * prism2sta_inf_linkstatus
1450 * Handles the receipt of a Link Status info frame.
1453 * wlandev wlan device structure
1454 * inf ptr to info frame (contents in hfa384x order)
1463 ----------------------------------------------------------------*/
1464 static void prism2sta_inf_linkstatus(wlandevice_t
*wlandev
,
1465 hfa384x_InfFrame_t
*inf
)
1467 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1469 hw
->link_status_new
= le16_to_cpu(inf
->info
.linkstatus
.linkstatus
);
1471 schedule_work(&hw
->link_bh
);
1474 /*----------------------------------------------------------------
1475 * prism2sta_inf_assocstatus
1477 * Handles the receipt of an Association Status info frame. Should
1478 * be present in APs only.
1481 * wlandev wlan device structure
1482 * inf ptr to info frame (contents in hfa384x order)
1491 ----------------------------------------------------------------*/
1492 static void prism2sta_inf_assocstatus(wlandevice_t
*wlandev
,
1493 hfa384x_InfFrame_t
*inf
)
1495 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1496 hfa384x_AssocStatus_t rec
;
1499 memcpy(&rec
, &inf
->info
.assocstatus
, sizeof(rec
));
1500 rec
.assocstatus
= le16_to_cpu(rec
.assocstatus
);
1501 rec
.reason
= le16_to_cpu(rec
.reason
);
1504 ** Find the address in the list of authenticated stations.
1505 ** If it wasn't found, then this address has not been previously
1506 ** authenticated and something weird has happened if this is
1507 ** anything other than an "authentication failed" message.
1508 ** If the address was found, then set the "associated" flag for
1509 ** that station, based on whether the station is associating or
1510 ** losing its association. Something weird has also happened
1511 ** if we find the address in the list of authenticated stations
1512 ** but we are getting an "authentication failed" message.
1515 for (i
= 0; i
< hw
->authlist
.cnt
; i
++)
1516 if (memcmp(rec
.sta_addr
, hw
->authlist
.addr
[i
], ETH_ALEN
) == 0)
1519 if (i
>= hw
->authlist
.cnt
) {
1520 if (rec
.assocstatus
!= HFA384x_ASSOCSTATUS_AUTHFAIL
)
1522 "assocstatus info frame received for non-authenticated station.\n");
1524 hw
->authlist
.assoc
[i
] =
1525 (rec
.assocstatus
== HFA384x_ASSOCSTATUS_STAASSOC
||
1526 rec
.assocstatus
== HFA384x_ASSOCSTATUS_REASSOC
);
1528 if (rec
.assocstatus
== HFA384x_ASSOCSTATUS_AUTHFAIL
)
1530 "authfail assocstatus info frame received for authenticated station.\n");
1534 /*----------------------------------------------------------------
1535 * prism2sta_inf_authreq
1537 * Handles the receipt of an Authentication Request info frame. Should
1538 * be present in APs only.
1541 * wlandev wlan device structure
1542 * inf ptr to info frame (contents in hfa384x order)
1552 ----------------------------------------------------------------*/
1553 static void prism2sta_inf_authreq(wlandevice_t
*wlandev
,
1554 hfa384x_InfFrame_t
*inf
)
1556 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1557 struct sk_buff
*skb
;
1559 skb
= dev_alloc_skb(sizeof(*inf
));
1561 skb_put(skb
, sizeof(*inf
));
1562 memcpy(skb
->data
, inf
, sizeof(*inf
));
1563 skb_queue_tail(&hw
->authq
, skb
);
1564 schedule_work(&hw
->link_bh
);
1568 static void prism2sta_inf_authreq_defer(wlandevice_t
*wlandev
,
1569 hfa384x_InfFrame_t
*inf
)
1571 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1572 hfa384x_authenticateStation_data_t rec
;
1574 int i
, added
, result
, cnt
;
1578 ** Build the AuthenticateStation record. Initialize it for denying
1582 memcpy(rec
.address
, inf
->info
.authreq
.sta_addr
, ETH_ALEN
);
1583 rec
.status
= P80211ENUM_status_unspec_failure
;
1586 ** Authenticate based on the access mode.
1589 switch (hw
->accessmode
) {
1590 case WLAN_ACCESS_NONE
:
1593 ** Deny all new authentications. However, if a station
1594 ** is ALREADY authenticated, then accept it.
1597 for (i
= 0; i
< hw
->authlist
.cnt
; i
++)
1598 if (memcmp(rec
.address
, hw
->authlist
.addr
[i
],
1600 rec
.status
= P80211ENUM_status_successful
;
1606 case WLAN_ACCESS_ALL
:
1609 ** Allow all authentications.
1612 rec
.status
= P80211ENUM_status_successful
;
1615 case WLAN_ACCESS_ALLOW
:
1618 ** Only allow the authentication if the MAC address
1619 ** is in the list of allowed addresses.
1621 ** Since this is the interrupt handler, we may be here
1622 ** while the access list is in the middle of being
1623 ** updated. Choose the list which is currently okay.
1624 ** See "prism2mib_priv_accessallow()" for details.
1627 if (hw
->allow
.modify
== 0) {
1628 cnt
= hw
->allow
.cnt
;
1629 addr
= hw
->allow
.addr
[0];
1631 cnt
= hw
->allow
.cnt1
;
1632 addr
= hw
->allow
.addr1
[0];
1635 for (i
= 0; i
< cnt
; i
++, addr
+= ETH_ALEN
)
1636 if (memcmp(rec
.address
, addr
, ETH_ALEN
) == 0) {
1637 rec
.status
= P80211ENUM_status_successful
;
1643 case WLAN_ACCESS_DENY
:
1646 ** Allow the authentication UNLESS the MAC address is
1647 ** in the list of denied addresses.
1649 ** Since this is the interrupt handler, we may be here
1650 ** while the access list is in the middle of being
1651 ** updated. Choose the list which is currently okay.
1652 ** See "prism2mib_priv_accessdeny()" for details.
1655 if (hw
->deny
.modify
== 0) {
1657 addr
= hw
->deny
.addr
[0];
1659 cnt
= hw
->deny
.cnt1
;
1660 addr
= hw
->deny
.addr1
[0];
1663 rec
.status
= P80211ENUM_status_successful
;
1665 for (i
= 0; i
< cnt
; i
++, addr
+= ETH_ALEN
)
1666 if (memcmp(rec
.address
, addr
, ETH_ALEN
) == 0) {
1667 rec
.status
= P80211ENUM_status_unspec_failure
;
1675 ** If the authentication is okay, then add the MAC address to the
1676 ** list of authenticated stations. Don't add the address if it
1677 ** is already in the list. (802.11b does not seem to disallow
1678 ** a station from issuing an authentication request when the
1679 ** station is already authenticated. Does this sort of thing
1680 ** ever happen? We might as well do the check just in case.)
1685 if (rec
.status
== P80211ENUM_status_successful
) {
1686 for (i
= 0; i
< hw
->authlist
.cnt
; i
++)
1687 if (memcmp(rec
.address
, hw
->authlist
.addr
[i
], ETH_ALEN
)
1691 if (i
>= hw
->authlist
.cnt
) {
1692 if (hw
->authlist
.cnt
>= WLAN_AUTH_MAX
) {
1693 rec
.status
= P80211ENUM_status_ap_full
;
1695 memcpy(hw
->authlist
.addr
[hw
->authlist
.cnt
],
1696 rec
.address
, ETH_ALEN
);
1704 ** Send back the results of the authentication. If this doesn't work,
1705 ** then make sure to remove the address from the authenticated list if
1709 rec
.status
= cpu_to_le16(rec
.status
);
1710 rec
.algorithm
= inf
->info
.authreq
.algorithm
;
1712 result
= hfa384x_drvr_setconfig(hw
, HFA384x_RID_AUTHENTICATESTA
,
1718 "setconfig(authenticatestation) failed, result=%d\n",
1723 /*----------------------------------------------------------------
1724 * prism2sta_inf_psusercnt
1726 * Handles the receipt of a PowerSaveUserCount info frame. Should
1727 * be present in APs only.
1730 * wlandev wlan device structure
1731 * inf ptr to info frame (contents in hfa384x order)
1740 ----------------------------------------------------------------*/
1741 static void prism2sta_inf_psusercnt(wlandevice_t
*wlandev
,
1742 hfa384x_InfFrame_t
*inf
)
1744 hfa384x_t
*hw
= (hfa384x_t
*) wlandev
->priv
;
1746 hw
->psusercount
= le16_to_cpu(inf
->info
.psusercnt
.usercnt
);
1749 /*----------------------------------------------------------------
1752 * Handles the Info event.
1755 * wlandev wlan device structure
1756 * inf ptr to a generic info frame
1765 ----------------------------------------------------------------*/
1766 void prism2sta_ev_info(wlandevice_t
*wlandev
, hfa384x_InfFrame_t
*inf
)
1768 inf
->infotype
= le16_to_cpu(inf
->infotype
);
1770 switch (inf
->infotype
) {
1771 case HFA384x_IT_HANDOVERADDR
:
1772 prism2sta_inf_handover(wlandev
, inf
);
1774 case HFA384x_IT_COMMTALLIES
:
1775 prism2sta_inf_tallies(wlandev
, inf
);
1777 case HFA384x_IT_HOSTSCANRESULTS
:
1778 prism2sta_inf_hostscanresults(wlandev
, inf
);
1780 case HFA384x_IT_SCANRESULTS
:
1781 prism2sta_inf_scanresults(wlandev
, inf
);
1783 case HFA384x_IT_CHINFORESULTS
:
1784 prism2sta_inf_chinforesults(wlandev
, inf
);
1786 case HFA384x_IT_LINKSTATUS
:
1787 prism2sta_inf_linkstatus(wlandev
, inf
);
1789 case HFA384x_IT_ASSOCSTATUS
:
1790 prism2sta_inf_assocstatus(wlandev
, inf
);
1792 case HFA384x_IT_AUTHREQ
:
1793 prism2sta_inf_authreq(wlandev
, inf
);
1795 case HFA384x_IT_PSUSERCNT
:
1796 prism2sta_inf_psusercnt(wlandev
, inf
);
1798 case HFA384x_IT_KEYIDCHANGED
:
1799 printk(KERN_WARNING
"Unhandled IT_KEYIDCHANGED\n");
1801 case HFA384x_IT_ASSOCREQ
:
1802 printk(KERN_WARNING
"Unhandled IT_ASSOCREQ\n");
1804 case HFA384x_IT_MICFAILURE
:
1805 printk(KERN_WARNING
"Unhandled IT_MICFAILURE\n");
1809 "Unknown info type=0x%02x\n", inf
->infotype
);
1814 /*----------------------------------------------------------------
1815 * prism2sta_ev_txexc
1817 * Handles the TxExc event. A Transmit Exception event indicates
1818 * that the MAC's TX process was unsuccessful - so the packet did
1819 * not get transmitted.
1822 * wlandev wlan device structure
1823 * status tx frame status word
1832 ----------------------------------------------------------------*/
1833 void prism2sta_ev_txexc(wlandevice_t
*wlandev
, u16 status
)
1835 pr_debug("TxExc status=0x%x.\n", status
);
1838 /*----------------------------------------------------------------
1841 * Handles the Tx event.
1844 * wlandev wlan device structure
1845 * status tx frame status word
1853 ----------------------------------------------------------------*/
1854 void prism2sta_ev_tx(wlandevice_t
*wlandev
, u16 status
)
1856 pr_debug("Tx Complete, status=0x%04x\n", status
);
1857 /* update linux network stats */
1858 wlandev
->linux_stats
.tx_packets
++;
1861 /*----------------------------------------------------------------
1864 * Handles the Rx event.
1867 * wlandev wlan device structure
1876 ----------------------------------------------------------------*/
1877 void prism2sta_ev_rx(wlandevice_t
*wlandev
, struct sk_buff
*skb
)
1879 p80211netdev_rx(wlandev
, skb
);
1882 /*----------------------------------------------------------------
1883 * prism2sta_ev_alloc
1885 * Handles the Alloc event.
1888 * wlandev wlan device structure
1897 ----------------------------------------------------------------*/
1898 void prism2sta_ev_alloc(wlandevice_t
*wlandev
)
1900 netif_wake_queue(wlandev
->netdev
);
1903 /*----------------------------------------------------------------
1906 * Called at module init time. This creates the wlandevice_t structure
1907 * and initializes it with relevant bits.
1913 * the created wlandevice_t structure.
1916 * also allocates the priv/hw structures.
1921 ----------------------------------------------------------------*/
1922 static wlandevice_t
*create_wlan(void)
1924 wlandevice_t
*wlandev
= NULL
;
1925 hfa384x_t
*hw
= NULL
;
1927 /* Alloc our structures */
1928 wlandev
= kzalloc(sizeof(wlandevice_t
), GFP_KERNEL
);
1929 hw
= kzalloc(sizeof(hfa384x_t
), GFP_KERNEL
);
1931 if (!wlandev
|| !hw
) {
1932 printk(KERN_ERR
"%s: Memory allocation failure.\n", dev_info
);
1938 /* Initialize the network device object. */
1939 wlandev
->nsdname
= dev_info
;
1940 wlandev
->msdstate
= WLAN_MSD_HWPRESENT_PENDING
;
1942 wlandev
->open
= prism2sta_open
;
1943 wlandev
->close
= prism2sta_close
;
1944 wlandev
->reset
= prism2sta_reset
;
1945 wlandev
->txframe
= prism2sta_txframe
;
1946 wlandev
->mlmerequest
= prism2sta_mlmerequest
;
1947 wlandev
->set_multicast_list
= prism2sta_setmulticast
;
1948 wlandev
->tx_timeout
= hfa384x_tx_timeout
;
1950 wlandev
->nsdcaps
= P80211_NSDCAP_HWFRAGMENT
| P80211_NSDCAP_AUTOJOIN
;
1952 /* Initialize the device private data structure. */
1953 hw
->dot11_desired_bss_type
= 1;
1958 void prism2sta_commsqual_defer(struct work_struct
*data
)
1960 hfa384x_t
*hw
= container_of(data
, struct hfa384x
, commsqual_bh
);
1961 wlandevice_t
*wlandev
= hw
->wlandev
;
1962 hfa384x_bytestr32_t ssid
;
1963 struct p80211msg_dot11req_mibget msg
;
1964 p80211item_uint32_t
*mibitem
= (p80211item_uint32_t
*)
1965 &msg
.mibattribute
.data
;
1968 if (hw
->wlandev
->hwremoved
)
1971 /* we don't care if we're in AP mode */
1972 if ((wlandev
->macmode
== WLAN_MACMODE_NONE
) ||
1973 (wlandev
->macmode
== WLAN_MACMODE_ESS_AP
)) {
1977 /* It only makes sense to poll these in non-IBSS */
1978 if (wlandev
->macmode
!= WLAN_MACMODE_IBSS_STA
) {
1979 result
= hfa384x_drvr_getconfig(
1980 hw
, HFA384x_RID_DBMCOMMSQUALITY
,
1981 &hw
->qual
, HFA384x_RID_DBMCOMMSQUALITY_LEN
);
1984 printk(KERN_ERR
"error fetching commsqual\n");
1988 pr_debug("commsqual %d %d %d\n",
1989 le16_to_cpu(hw
->qual
.CQ_currBSS
),
1990 le16_to_cpu(hw
->qual
.ASL_currBSS
),
1991 le16_to_cpu(hw
->qual
.ANL_currFC
));
1994 /* Get the signal rate */
1995 msg
.msgcode
= DIDmsg_dot11req_mibget
;
1996 mibitem
->did
= DIDmib_p2_p2MAC_p2CurrentTxRate
;
1997 result
= p80211req_dorequest(wlandev
, (u8
*) &msg
);
2000 pr_debug("get signal rate failed, result = %d\n",
2005 switch (mibitem
->data
) {
2006 case HFA384x_RATEBIT_1
:
2009 case HFA384x_RATEBIT_2
:
2012 case HFA384x_RATEBIT_5dot5
:
2015 case HFA384x_RATEBIT_11
:
2019 pr_debug("Bad ratebit (%d)\n", mibitem
->data
);
2022 /* Lastly, we need to make sure the BSSID didn't change on us */
2023 result
= hfa384x_drvr_getconfig(hw
,
2024 HFA384x_RID_CURRENTBSSID
,
2025 wlandev
->bssid
, WLAN_BSSID_LEN
);
2027 pr_debug("getconfig(0x%02x) failed, result = %d\n",
2028 HFA384x_RID_CURRENTBSSID
, result
);
2032 result
= hfa384x_drvr_getconfig(hw
,
2033 HFA384x_RID_CURRENTSSID
,
2034 &ssid
, sizeof(ssid
));
2036 pr_debug("getconfig(0x%02x) failed, result = %d\n",
2037 HFA384x_RID_CURRENTSSID
, result
);
2040 prism2mgmt_bytestr2pstr((hfa384x_bytestr_t
*) &ssid
,
2041 (p80211pstrd_t
*) &wlandev
->ssid
);
2043 /* Reschedule timer */
2044 mod_timer(&hw
->commsqual_timer
, jiffies
+ HZ
);
2047 void prism2sta_commsqual_timer(unsigned long data
)
2049 hfa384x_t
*hw
= (hfa384x_t
*) data
;
2051 schedule_work(&hw
->commsqual_bh
);