1 | // SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1) |
2 | /* |
3 | * |
4 | * Implements the station functionality for prism2 |
5 | * |
6 | * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. |
7 | * -------------------------------------------------------------------- |
8 | * |
9 | * linux-wlan |
10 | * |
11 | * -------------------------------------------------------------------- |
12 | * |
13 | * Inquiries regarding the linux-wlan Open Source project can be |
14 | * made directly to: |
15 | * |
16 | * AbsoluteValue Systems Inc. |
17 | * info@linux-wlan.com |
18 | * http://www.linux-wlan.com |
19 | * |
20 | * -------------------------------------------------------------------- |
21 | * |
22 | * Portions of the development of this software were funded by |
23 | * Intersil Corporation as part of PRISM(R) chipset product development. |
24 | * |
25 | * -------------------------------------------------------------------- |
26 | * |
27 | * This file implements the module and linux pcmcia routines for the |
28 | * prism2 driver. |
29 | * |
30 | * -------------------------------------------------------------------- |
31 | */ |
32 | |
33 | #include <linux/module.h> |
34 | #include <linux/kernel.h> |
35 | #include <linux/sched.h> |
36 | #include <linux/types.h> |
37 | #include <linux/slab.h> |
38 | #include <linux/wireless.h> |
39 | #include <linux/netdevice.h> |
40 | #include <linux/workqueue.h> |
41 | #include <linux/byteorder/generic.h> |
42 | #include <linux/etherdevice.h> |
43 | |
44 | #include <linux/io.h> |
45 | #include <linux/delay.h> |
46 | #include <asm/byteorder.h> |
47 | #include <linux/if_arp.h> |
48 | #include <linux/if_ether.h> |
49 | #include <linux/bitops.h> |
50 | |
51 | #include "p80211types.h" |
52 | #include "p80211hdr.h" |
53 | #include "p80211mgmt.h" |
54 | #include "p80211conv.h" |
55 | #include "p80211msg.h" |
56 | #include "p80211netdev.h" |
57 | #include "p80211req.h" |
58 | #include "p80211metadef.h" |
59 | #include "p80211metastruct.h" |
60 | #include "hfa384x.h" |
61 | #include "prism2mgmt.h" |
62 | |
63 | static char *dev_info = "prism2_usb" ; |
64 | static struct wlandevice *create_wlan(void); |
65 | |
66 | int prism2_reset_holdtime = 30; /* Reset hold time in ms */ |
67 | int prism2_reset_settletime = 100; /* Reset settle time in ms */ |
68 | |
69 | static int prism2_doreset; /* Do a reset at init? */ |
70 | |
71 | module_param(prism2_doreset, int, 0644); |
72 | MODULE_PARM_DESC(prism2_doreset, "Issue a reset on initialization" ); |
73 | |
74 | module_param(prism2_reset_holdtime, int, 0644); |
75 | MODULE_PARM_DESC(prism2_reset_holdtime, "reset hold time in ms" ); |
76 | module_param(prism2_reset_settletime, int, 0644); |
77 | MODULE_PARM_DESC(prism2_reset_settletime, "reset settle time in ms" ); |
78 | |
79 | MODULE_LICENSE("Dual MPL/GPL" ); |
80 | |
81 | static int prism2sta_open(struct wlandevice *wlandev); |
82 | static int prism2sta_close(struct wlandevice *wlandev); |
83 | static void prism2sta_reset(struct wlandevice *wlandev); |
84 | static int prism2sta_txframe(struct wlandevice *wlandev, struct sk_buff *skb, |
85 | struct p80211_hdr *p80211_hdr, |
86 | struct p80211_metawep *p80211_wep); |
87 | static int prism2sta_mlmerequest(struct wlandevice *wlandev, |
88 | struct p80211msg *msg); |
89 | static int prism2sta_getcardinfo(struct wlandevice *wlandev); |
90 | static int prism2sta_globalsetup(struct wlandevice *wlandev); |
91 | static int prism2sta_setmulticast(struct wlandevice *wlandev, |
92 | struct net_device *dev); |
93 | static void prism2sta_inf_tallies(struct wlandevice *wlandev, |
94 | struct hfa384x_inf_frame *inf); |
95 | static void prism2sta_inf_hostscanresults(struct wlandevice *wlandev, |
96 | struct hfa384x_inf_frame *inf); |
97 | static void prism2sta_inf_scanresults(struct wlandevice *wlandev, |
98 | struct hfa384x_inf_frame *inf); |
99 | static void prism2sta_inf_chinforesults(struct wlandevice *wlandev, |
100 | struct hfa384x_inf_frame *inf); |
101 | static void prism2sta_inf_linkstatus(struct wlandevice *wlandev, |
102 | struct hfa384x_inf_frame *inf); |
103 | static void prism2sta_inf_assocstatus(struct wlandevice *wlandev, |
104 | struct hfa384x_inf_frame *inf); |
105 | static void prism2sta_inf_authreq(struct wlandevice *wlandev, |
106 | struct hfa384x_inf_frame *inf); |
107 | static void prism2sta_inf_authreq_defer(struct wlandevice *wlandev, |
108 | struct hfa384x_inf_frame *inf); |
109 | static void prism2sta_inf_psusercnt(struct wlandevice *wlandev, |
110 | struct hfa384x_inf_frame *inf); |
111 | |
112 | /* |
113 | * prism2sta_open |
114 | * |
115 | * WLAN device open method. Called from p80211netdev when kernel |
116 | * device open (start) method is called in response to the |
117 | * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP |
118 | * from clear to set. |
119 | * |
120 | * Arguments: |
121 | * wlandev wlan device structure |
122 | * |
123 | * Returns: |
124 | * 0 success |
125 | * >0 f/w reported error |
126 | * <0 driver reported error |
127 | * |
128 | * Side effects: |
129 | * |
130 | * Call context: |
131 | * process thread |
132 | */ |
133 | static int prism2sta_open(struct wlandevice *wlandev) |
134 | { |
135 | /* We don't currently have to do anything else. |
136 | * The setup of the MAC should be subsequently completed via |
137 | * the mlme commands. |
138 | * Higher layers know we're ready from dev->start==1 and |
139 | * dev->tbusy==0. Our rx path knows to pass up received/ |
140 | * frames because of dev->flags&IFF_UP is true. |
141 | */ |
142 | |
143 | return 0; |
144 | } |
145 | |
146 | /* |
147 | * prism2sta_close |
148 | * |
149 | * WLAN device close method. Called from p80211netdev when kernel |
150 | * device close method is called in response to the |
151 | * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP |
152 | * from set to clear. |
153 | * |
154 | * Arguments: |
155 | * wlandev wlan device structure |
156 | * |
157 | * Returns: |
158 | * 0 success |
159 | * >0 f/w reported error |
160 | * <0 driver reported error |
161 | * |
162 | * Side effects: |
163 | * |
164 | * Call context: |
165 | * process thread |
166 | */ |
167 | static int prism2sta_close(struct wlandevice *wlandev) |
168 | { |
169 | /* We don't currently have to do anything else. |
170 | * Higher layers know we're not ready from dev->start==0 and |
171 | * dev->tbusy==1. Our rx path knows to not pass up received |
172 | * frames because of dev->flags&IFF_UP is false. |
173 | */ |
174 | |
175 | return 0; |
176 | } |
177 | |
178 | /* |
179 | * prism2sta_reset |
180 | * |
181 | * Currently not implemented. |
182 | * |
183 | * Arguments: |
184 | * wlandev wlan device structure |
185 | * none |
186 | * |
187 | * Returns: |
188 | * nothing |
189 | * |
190 | * Side effects: |
191 | * |
192 | * Call context: |
193 | * process thread |
194 | */ |
195 | static void prism2sta_reset(struct wlandevice *wlandev) |
196 | { |
197 | } |
198 | |
199 | /* |
200 | * prism2sta_txframe |
201 | * |
202 | * Takes a frame from p80211 and queues it for transmission. |
203 | * |
204 | * Arguments: |
205 | * wlandev wlan device structure |
206 | * pb packet buffer struct. Contains an 802.11 |
207 | * data frame. |
208 | * p80211_hdr points to the 802.11 header for the packet. |
209 | * Returns: |
210 | * 0 Success and more buffs available |
211 | * 1 Success but no more buffs |
212 | * 2 Allocation failure |
213 | * 4 Buffer full or queue busy |
214 | * |
215 | * Side effects: |
216 | * |
217 | * Call context: |
218 | * process thread |
219 | */ |
220 | static int prism2sta_txframe(struct wlandevice *wlandev, struct sk_buff *skb, |
221 | struct p80211_hdr *p80211_hdr, |
222 | struct p80211_metawep *p80211_wep) |
223 | { |
224 | struct hfa384x *hw = wlandev->priv; |
225 | |
226 | /* If necessary, set the 802.11 WEP bit */ |
227 | if ((wlandev->hostwep & (HOSTWEP_PRIVACYINVOKED | HOSTWEP_ENCRYPT)) == |
228 | HOSTWEP_PRIVACYINVOKED) { |
229 | p80211_hdr->frame_control |= cpu_to_le16(WLAN_SET_FC_ISWEP(1)); |
230 | } |
231 | |
232 | return hfa384x_drvr_txframe(hw, skb, p80211_hdr, p80211_wep); |
233 | } |
234 | |
235 | /* |
236 | * prism2sta_mlmerequest |
237 | * |
238 | * wlan command message handler. All we do here is pass the message |
239 | * over to the prism2sta_mgmt_handler. |
240 | * |
241 | * Arguments: |
242 | * wlandev wlan device structure |
243 | * msg wlan command message |
244 | * Returns: |
245 | * 0 success |
246 | * <0 successful acceptance of message, but we're |
247 | * waiting for an async process to finish before |
248 | * we're done with the msg. When the asynch |
249 | * process is done, we'll call the p80211 |
250 | * function p80211req_confirm() . |
251 | * >0 An error occurred while we were handling |
252 | * the message. |
253 | * |
254 | * Side effects: |
255 | * |
256 | * Call context: |
257 | * process thread |
258 | */ |
259 | static int prism2sta_mlmerequest(struct wlandevice *wlandev, |
260 | struct p80211msg *msg) |
261 | { |
262 | struct hfa384x *hw = wlandev->priv; |
263 | |
264 | int result = 0; |
265 | |
266 | switch (msg->msgcode) { |
267 | case DIDMSG_DOT11REQ_MIBGET: |
268 | netdev_dbg(wlandev->netdev, "Received mibget request\n" ); |
269 | result = prism2mgmt_mibset_mibget(wlandev, msgp: msg); |
270 | break; |
271 | case DIDMSG_DOT11REQ_MIBSET: |
272 | netdev_dbg(wlandev->netdev, "Received mibset request\n" ); |
273 | result = prism2mgmt_mibset_mibget(wlandev, msgp: msg); |
274 | break; |
275 | case DIDMSG_DOT11REQ_SCAN: |
276 | netdev_dbg(wlandev->netdev, "Received scan request\n" ); |
277 | result = prism2mgmt_scan(wlandev, msgp: msg); |
278 | break; |
279 | case DIDMSG_DOT11REQ_SCAN_RESULTS: |
280 | netdev_dbg(wlandev->netdev, "Received scan_results request\n" ); |
281 | result = prism2mgmt_scan_results(wlandev, msgp: msg); |
282 | break; |
283 | case DIDMSG_DOT11REQ_START: |
284 | netdev_dbg(wlandev->netdev, "Received mlme start request\n" ); |
285 | result = prism2mgmt_start(wlandev, msgp: msg); |
286 | break; |
287 | /* |
288 | * Prism2 specific messages |
289 | */ |
290 | case DIDMSG_P2REQ_READPDA: |
291 | netdev_dbg(wlandev->netdev, "Received mlme readpda request\n" ); |
292 | result = prism2mgmt_readpda(wlandev, msgp: msg); |
293 | break; |
294 | case DIDMSG_P2REQ_RAMDL_STATE: |
295 | netdev_dbg(wlandev->netdev, |
296 | "Received mlme ramdl_state request\n" ); |
297 | result = prism2mgmt_ramdl_state(wlandev, msgp: msg); |
298 | break; |
299 | case DIDMSG_P2REQ_RAMDL_WRITE: |
300 | netdev_dbg(wlandev->netdev, |
301 | "Received mlme ramdl_write request\n" ); |
302 | result = prism2mgmt_ramdl_write(wlandev, msgp: msg); |
303 | break; |
304 | case DIDMSG_P2REQ_FLASHDL_STATE: |
305 | netdev_dbg(wlandev->netdev, |
306 | "Received mlme flashdl_state request\n" ); |
307 | result = prism2mgmt_flashdl_state(wlandev, msgp: msg); |
308 | break; |
309 | case DIDMSG_P2REQ_FLASHDL_WRITE: |
310 | netdev_dbg(wlandev->netdev, |
311 | "Received mlme flashdl_write request\n" ); |
312 | result = prism2mgmt_flashdl_write(wlandev, msgp: msg); |
313 | break; |
314 | /* |
315 | * Linux specific messages |
316 | */ |
317 | case DIDMSG_LNXREQ_HOSTWEP: |
318 | break; /* ignore me. */ |
319 | case DIDMSG_LNXREQ_IFSTATE: { |
320 | struct p80211msg_lnxreq_ifstate *ifstatemsg; |
321 | |
322 | netdev_dbg(wlandev->netdev, "Received mlme ifstate request\n" ); |
323 | ifstatemsg = (struct p80211msg_lnxreq_ifstate *)msg; |
324 | result = prism2sta_ifstate(wlandev, |
325 | ifstate: ifstatemsg->ifstate.data); |
326 | ifstatemsg->resultcode.status = |
327 | P80211ENUM_msgitem_status_data_ok; |
328 | ifstatemsg->resultcode.data = result; |
329 | result = 0; |
330 | break; |
331 | } |
332 | case DIDMSG_LNXREQ_WLANSNIFF: |
333 | netdev_dbg(wlandev->netdev, |
334 | "Received mlme wlansniff request\n" ); |
335 | result = prism2mgmt_wlansniff(wlandev, msgp: msg); |
336 | break; |
337 | case DIDMSG_LNXREQ_AUTOJOIN: |
338 | netdev_dbg(wlandev->netdev, "Received mlme autojoin request\n" ); |
339 | result = prism2mgmt_autojoin(wlandev, msgp: msg); |
340 | break; |
341 | case DIDMSG_LNXREQ_COMMSQUALITY: { |
342 | struct p80211msg_lnxreq_commsquality *qualmsg; |
343 | |
344 | netdev_dbg(wlandev->netdev, "Received commsquality request\n" ); |
345 | |
346 | qualmsg = (struct p80211msg_lnxreq_commsquality *)msg; |
347 | |
348 | qualmsg->link.status = P80211ENUM_msgitem_status_data_ok; |
349 | qualmsg->level.status = P80211ENUM_msgitem_status_data_ok; |
350 | qualmsg->noise.status = P80211ENUM_msgitem_status_data_ok; |
351 | |
352 | qualmsg->link.data = le16_to_cpu(hw->qual.cq_curr_bss); |
353 | qualmsg->level.data = le16_to_cpu(hw->qual.asl_curr_bss); |
354 | qualmsg->noise.data = le16_to_cpu(hw->qual.anl_curr_fc); |
355 | qualmsg->txrate.data = hw->txrate; |
356 | |
357 | break; |
358 | } |
359 | default: |
360 | netdev_warn(dev: wlandev->netdev, |
361 | format: "Unknown mgmt request message 0x%08x" , |
362 | msg->msgcode); |
363 | break; |
364 | } |
365 | |
366 | return result; |
367 | } |
368 | |
369 | /* |
370 | * prism2sta_ifstate |
371 | * |
372 | * Interface state. This is the primary WLAN interface enable/disable |
373 | * handler. Following the driver/load/deviceprobe sequence, this |
374 | * function must be called with a state of "enable" before any other |
375 | * commands will be accepted. |
376 | * |
377 | * Arguments: |
378 | * wlandev wlan device structure |
379 | * msgp ptr to msg buffer |
380 | * |
381 | * Returns: |
382 | * A p80211 message resultcode value. |
383 | * |
384 | * Side effects: |
385 | * |
386 | * Call context: |
387 | * process thread (usually) |
388 | * interrupt |
389 | */ |
390 | u32 prism2sta_ifstate(struct wlandevice *wlandev, u32 ifstate) |
391 | { |
392 | struct hfa384x *hw = wlandev->priv; |
393 | u32 result; |
394 | |
395 | result = P80211ENUM_resultcode_implementation_failure; |
396 | |
397 | netdev_dbg(wlandev->netdev, "Current MSD state(%d), requesting(%d)\n" , |
398 | wlandev->msdstate, ifstate); |
399 | switch (ifstate) { |
400 | case P80211ENUM_ifstate_fwload: |
401 | switch (wlandev->msdstate) { |
402 | case WLAN_MSD_HWPRESENT: |
403 | wlandev->msdstate = WLAN_MSD_FWLOAD_PENDING; |
404 | /* |
405 | * Initialize the device+driver sufficiently |
406 | * for firmware loading. |
407 | */ |
408 | result = hfa384x_drvr_start(hw); |
409 | if (result) { |
410 | netdev_err(dev: wlandev->netdev, |
411 | format: "hfa384x_drvr_start() failed,result=%d\n" , |
412 | (int)result); |
413 | result = |
414 | P80211ENUM_resultcode_implementation_failure; |
415 | wlandev->msdstate = WLAN_MSD_HWPRESENT; |
416 | break; |
417 | } |
418 | wlandev->msdstate = WLAN_MSD_FWLOAD; |
419 | result = P80211ENUM_resultcode_success; |
420 | break; |
421 | case WLAN_MSD_FWLOAD: |
422 | hfa384x_cmd_initialize(hw); |
423 | result = P80211ENUM_resultcode_success; |
424 | break; |
425 | case WLAN_MSD_RUNNING: |
426 | netdev_warn(dev: wlandev->netdev, |
427 | format: "Cannot enter fwload state from enable state, you must disable first.\n" ); |
428 | result = P80211ENUM_resultcode_invalid_parameters; |
429 | break; |
430 | case WLAN_MSD_HWFAIL: |
431 | default: |
432 | /* probe() had a problem or the msdstate contains |
433 | * an unrecognized value, there's nothing we can do. |
434 | */ |
435 | result = P80211ENUM_resultcode_implementation_failure; |
436 | break; |
437 | } |
438 | break; |
439 | case P80211ENUM_ifstate_enable: |
440 | switch (wlandev->msdstate) { |
441 | case WLAN_MSD_HWPRESENT: |
442 | case WLAN_MSD_FWLOAD: |
443 | wlandev->msdstate = WLAN_MSD_RUNNING_PENDING; |
444 | /* Initialize the device+driver for full |
445 | * operation. Note that this might me an FWLOAD |
446 | * to RUNNING transition so we must not do a chip |
447 | * or board level reset. Note that on failure, |
448 | * the MSD state is set to HWPRESENT because we |
449 | * can't make any assumptions about the state |
450 | * of the hardware or a previous firmware load. |
451 | */ |
452 | result = hfa384x_drvr_start(hw); |
453 | if (result) { |
454 | netdev_err(dev: wlandev->netdev, |
455 | format: "hfa384x_drvr_start() failed,result=%d\n" , |
456 | (int)result); |
457 | result = |
458 | P80211ENUM_resultcode_implementation_failure; |
459 | wlandev->msdstate = WLAN_MSD_HWPRESENT; |
460 | break; |
461 | } |
462 | |
463 | result = prism2sta_getcardinfo(wlandev); |
464 | if (result) { |
465 | netdev_err(dev: wlandev->netdev, |
466 | format: "prism2sta_getcardinfo() failed,result=%d\n" , |
467 | (int)result); |
468 | result = |
469 | P80211ENUM_resultcode_implementation_failure; |
470 | hfa384x_drvr_stop(hw); |
471 | wlandev->msdstate = WLAN_MSD_HWPRESENT; |
472 | break; |
473 | } |
474 | result = prism2sta_globalsetup(wlandev); |
475 | if (result) { |
476 | netdev_err(dev: wlandev->netdev, |
477 | format: "prism2sta_globalsetup() failed,result=%d\n" , |
478 | (int)result); |
479 | result = |
480 | P80211ENUM_resultcode_implementation_failure; |
481 | hfa384x_drvr_stop(hw); |
482 | wlandev->msdstate = WLAN_MSD_HWPRESENT; |
483 | break; |
484 | } |
485 | wlandev->msdstate = WLAN_MSD_RUNNING; |
486 | hw->join_ap = 0; |
487 | hw->join_retries = 60; |
488 | result = P80211ENUM_resultcode_success; |
489 | break; |
490 | case WLAN_MSD_RUNNING: |
491 | /* Do nothing, we're already in this state. */ |
492 | result = P80211ENUM_resultcode_success; |
493 | break; |
494 | case WLAN_MSD_HWFAIL: |
495 | default: |
496 | /* probe() had a problem or the msdstate contains |
497 | * an unrecognized value, there's nothing we can do. |
498 | */ |
499 | result = P80211ENUM_resultcode_implementation_failure; |
500 | break; |
501 | } |
502 | break; |
503 | case P80211ENUM_ifstate_disable: |
504 | switch (wlandev->msdstate) { |
505 | case WLAN_MSD_HWPRESENT: |
506 | /* Do nothing, we're already in this state. */ |
507 | result = P80211ENUM_resultcode_success; |
508 | break; |
509 | case WLAN_MSD_FWLOAD: |
510 | case WLAN_MSD_RUNNING: |
511 | wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING; |
512 | /* |
513 | * TODO: Shut down the MAC completely. Here a chip |
514 | * or board level reset is probably called for. |
515 | * After a "disable" _all_ results are lost, even |
516 | * those from a fwload. |
517 | */ |
518 | if (!wlandev->hwremoved) |
519 | netif_carrier_off(dev: wlandev->netdev); |
520 | |
521 | hfa384x_drvr_stop(hw); |
522 | |
523 | wlandev->macmode = WLAN_MACMODE_NONE; |
524 | wlandev->msdstate = WLAN_MSD_HWPRESENT; |
525 | result = P80211ENUM_resultcode_success; |
526 | break; |
527 | case WLAN_MSD_HWFAIL: |
528 | default: |
529 | /* probe() had a problem or the msdstate contains |
530 | * an unrecognized value, there's nothing we can do. |
531 | */ |
532 | result = P80211ENUM_resultcode_implementation_failure; |
533 | break; |
534 | } |
535 | break; |
536 | default: |
537 | result = P80211ENUM_resultcode_invalid_parameters; |
538 | break; |
539 | } |
540 | |
541 | return result; |
542 | } |
543 | |
544 | /* |
545 | * prism2sta_getcardinfo |
546 | * |
547 | * Collect the NICID, firmware version and any other identifiers |
548 | * we'd like to have in host-side data structures. |
549 | * |
550 | * Arguments: |
551 | * wlandev wlan device structure |
552 | * |
553 | * Returns: |
554 | * 0 success |
555 | * >0 f/w reported error |
556 | * <0 driver reported error |
557 | * |
558 | * Side effects: |
559 | * |
560 | * Call context: |
561 | * Either. |
562 | */ |
563 | static int prism2sta_getcardinfo(struct wlandevice *wlandev) |
564 | { |
565 | int result = 0; |
566 | struct hfa384x *hw = wlandev->priv; |
567 | u16 temp; |
568 | u8 snum[HFA384x_RID_NICSERIALNUMBER_LEN]; |
569 | u8 addr[ETH_ALEN]; |
570 | |
571 | /* Collect version and compatibility info */ |
572 | /* Some are critical, some are not */ |
573 | /* NIC identity */ |
574 | result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICIDENTITY, |
575 | buf: &hw->ident_nic, |
576 | len: sizeof(struct hfa384x_compident)); |
577 | if (result) { |
578 | netdev_err(dev: wlandev->netdev, format: "Failed to retrieve NICIDENTITY\n" ); |
579 | goto failed; |
580 | } |
581 | |
582 | /* get all the nic id fields in host byte order */ |
583 | le16_to_cpus(&hw->ident_nic.id); |
584 | le16_to_cpus(&hw->ident_nic.variant); |
585 | le16_to_cpus(&hw->ident_nic.major); |
586 | le16_to_cpus(&hw->ident_nic.minor); |
587 | |
588 | netdev_info(dev: wlandev->netdev, format: "ident: nic h/w: id=0x%02x %d.%d.%d\n" , |
589 | hw->ident_nic.id, hw->ident_nic.major, |
590 | hw->ident_nic.minor, hw->ident_nic.variant); |
591 | |
592 | /* Primary f/w identity */ |
593 | result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRIIDENTITY, |
594 | buf: &hw->ident_pri_fw, |
595 | len: sizeof(struct hfa384x_compident)); |
596 | if (result) { |
597 | netdev_err(dev: wlandev->netdev, format: "Failed to retrieve PRIIDENTITY\n" ); |
598 | goto failed; |
599 | } |
600 | |
601 | /* get all the private fw id fields in host byte order */ |
602 | le16_to_cpus(&hw->ident_pri_fw.id); |
603 | le16_to_cpus(&hw->ident_pri_fw.variant); |
604 | le16_to_cpus(&hw->ident_pri_fw.major); |
605 | le16_to_cpus(&hw->ident_pri_fw.minor); |
606 | |
607 | netdev_info(dev: wlandev->netdev, format: "ident: pri f/w: id=0x%02x %d.%d.%d\n" , |
608 | hw->ident_pri_fw.id, hw->ident_pri_fw.major, |
609 | hw->ident_pri_fw.minor, hw->ident_pri_fw.variant); |
610 | |
611 | /* Station (Secondary?) f/w identity */ |
612 | result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STAIDENTITY, |
613 | buf: &hw->ident_sta_fw, |
614 | len: sizeof(struct hfa384x_compident)); |
615 | if (result) { |
616 | netdev_err(dev: wlandev->netdev, format: "Failed to retrieve STAIDENTITY\n" ); |
617 | goto failed; |
618 | } |
619 | |
620 | if (hw->ident_nic.id < 0x8000) { |
621 | netdev_err(dev: wlandev->netdev, |
622 | format: "FATAL: Card is not an Intersil Prism2/2.5/3\n" ); |
623 | result = -1; |
624 | goto failed; |
625 | } |
626 | |
627 | /* get all the station fw id fields in host byte order */ |
628 | le16_to_cpus(&hw->ident_sta_fw.id); |
629 | le16_to_cpus(&hw->ident_sta_fw.variant); |
630 | le16_to_cpus(&hw->ident_sta_fw.major); |
631 | le16_to_cpus(&hw->ident_sta_fw.minor); |
632 | |
633 | /* strip out the 'special' variant bits */ |
634 | hw->mm_mods = hw->ident_sta_fw.variant & GENMASK(15, 14); |
635 | hw->ident_sta_fw.variant &= ~((u16)GENMASK(15, 14)); |
636 | |
637 | if (hw->ident_sta_fw.id == 0x1f) { |
638 | netdev_info(dev: wlandev->netdev, |
639 | format: "ident: sta f/w: id=0x%02x %d.%d.%d\n" , |
640 | hw->ident_sta_fw.id, hw->ident_sta_fw.major, |
641 | hw->ident_sta_fw.minor, hw->ident_sta_fw.variant); |
642 | } else { |
643 | netdev_info(dev: wlandev->netdev, |
644 | format: "ident: ap f/w: id=0x%02x %d.%d.%d\n" , |
645 | hw->ident_sta_fw.id, hw->ident_sta_fw.major, |
646 | hw->ident_sta_fw.minor, hw->ident_sta_fw.variant); |
647 | netdev_err(dev: wlandev->netdev, format: "Unsupported Tertiary AP firmware loaded!\n" ); |
648 | goto failed; |
649 | } |
650 | |
651 | /* Compatibility range, Modem supplier */ |
652 | result = hfa384x_drvr_getconfig(hw, HFA384x_RID_MFISUPRANGE, |
653 | buf: &hw->cap_sup_mfi, |
654 | len: sizeof(struct hfa384x_caplevel)); |
655 | if (result) { |
656 | netdev_err(dev: wlandev->netdev, format: "Failed to retrieve MFISUPRANGE\n" ); |
657 | goto failed; |
658 | } |
659 | |
660 | /* get all the Compatibility range, modem interface supplier |
661 | * fields in byte order |
662 | */ |
663 | le16_to_cpus(&hw->cap_sup_mfi.role); |
664 | le16_to_cpus(&hw->cap_sup_mfi.id); |
665 | le16_to_cpus(&hw->cap_sup_mfi.variant); |
666 | le16_to_cpus(&hw->cap_sup_mfi.bottom); |
667 | le16_to_cpus(&hw->cap_sup_mfi.top); |
668 | |
669 | netdev_info(dev: wlandev->netdev, |
670 | format: "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n" , |
671 | hw->cap_sup_mfi.role, hw->cap_sup_mfi.id, |
672 | hw->cap_sup_mfi.variant, hw->cap_sup_mfi.bottom, |
673 | hw->cap_sup_mfi.top); |
674 | |
675 | /* Compatibility range, Controller supplier */ |
676 | result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CFISUPRANGE, |
677 | buf: &hw->cap_sup_cfi, |
678 | len: sizeof(struct hfa384x_caplevel)); |
679 | if (result) { |
680 | netdev_err(dev: wlandev->netdev, format: "Failed to retrieve CFISUPRANGE\n" ); |
681 | goto failed; |
682 | } |
683 | |
684 | /* get all the Compatibility range, controller interface supplier |
685 | * fields in byte order |
686 | */ |
687 | le16_to_cpus(&hw->cap_sup_cfi.role); |
688 | le16_to_cpus(&hw->cap_sup_cfi.id); |
689 | le16_to_cpus(&hw->cap_sup_cfi.variant); |
690 | le16_to_cpus(&hw->cap_sup_cfi.bottom); |
691 | le16_to_cpus(&hw->cap_sup_cfi.top); |
692 | |
693 | netdev_info(dev: wlandev->netdev, |
694 | format: "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n" , |
695 | hw->cap_sup_cfi.role, hw->cap_sup_cfi.id, |
696 | hw->cap_sup_cfi.variant, hw->cap_sup_cfi.bottom, |
697 | hw->cap_sup_cfi.top); |
698 | |
699 | /* Compatibility range, Primary f/w supplier */ |
700 | result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRISUPRANGE, |
701 | buf: &hw->cap_sup_pri, |
702 | len: sizeof(struct hfa384x_caplevel)); |
703 | if (result) { |
704 | netdev_err(dev: wlandev->netdev, format: "Failed to retrieve PRISUPRANGE\n" ); |
705 | goto failed; |
706 | } |
707 | |
708 | /* get all the Compatibility range, primary firmware supplier |
709 | * fields in byte order |
710 | */ |
711 | le16_to_cpus(&hw->cap_sup_pri.role); |
712 | le16_to_cpus(&hw->cap_sup_pri.id); |
713 | le16_to_cpus(&hw->cap_sup_pri.variant); |
714 | le16_to_cpus(&hw->cap_sup_pri.bottom); |
715 | le16_to_cpus(&hw->cap_sup_pri.top); |
716 | |
717 | netdev_info(dev: wlandev->netdev, |
718 | format: "PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n" , |
719 | hw->cap_sup_pri.role, hw->cap_sup_pri.id, |
720 | hw->cap_sup_pri.variant, hw->cap_sup_pri.bottom, |
721 | hw->cap_sup_pri.top); |
722 | |
723 | /* Compatibility range, Station f/w supplier */ |
724 | result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STASUPRANGE, |
725 | buf: &hw->cap_sup_sta, |
726 | len: sizeof(struct hfa384x_caplevel)); |
727 | if (result) { |
728 | netdev_err(dev: wlandev->netdev, format: "Failed to retrieve STASUPRANGE\n" ); |
729 | goto failed; |
730 | } |
731 | |
732 | /* get all the Compatibility range, station firmware supplier |
733 | * fields in byte order |
734 | */ |
735 | le16_to_cpus(&hw->cap_sup_sta.role); |
736 | le16_to_cpus(&hw->cap_sup_sta.id); |
737 | le16_to_cpus(&hw->cap_sup_sta.variant); |
738 | le16_to_cpus(&hw->cap_sup_sta.bottom); |
739 | le16_to_cpus(&hw->cap_sup_sta.top); |
740 | |
741 | if (hw->cap_sup_sta.id == 0x04) { |
742 | netdev_info(dev: wlandev->netdev, |
743 | format: "STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n" , |
744 | hw->cap_sup_sta.role, hw->cap_sup_sta.id, |
745 | hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom, |
746 | hw->cap_sup_sta.top); |
747 | } else { |
748 | netdev_info(dev: wlandev->netdev, |
749 | format: "AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n" , |
750 | hw->cap_sup_sta.role, hw->cap_sup_sta.id, |
751 | hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom, |
752 | hw->cap_sup_sta.top); |
753 | } |
754 | |
755 | /* Compatibility range, primary f/w actor, CFI supplier */ |
756 | result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRI_CFIACTRANGES, |
757 | buf: &hw->cap_act_pri_cfi, |
758 | len: sizeof(struct hfa384x_caplevel)); |
759 | if (result) { |
760 | netdev_err(dev: wlandev->netdev, format: "Failed to retrieve PRI_CFIACTRANGES\n" ); |
761 | goto failed; |
762 | } |
763 | |
764 | /* get all the Compatibility range, primary f/w actor, CFI supplier |
765 | * fields in byte order |
766 | */ |
767 | le16_to_cpus(&hw->cap_act_pri_cfi.role); |
768 | le16_to_cpus(&hw->cap_act_pri_cfi.id); |
769 | le16_to_cpus(&hw->cap_act_pri_cfi.variant); |
770 | le16_to_cpus(&hw->cap_act_pri_cfi.bottom); |
771 | le16_to_cpus(&hw->cap_act_pri_cfi.top); |
772 | |
773 | netdev_info(dev: wlandev->netdev, |
774 | format: "PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n" , |
775 | hw->cap_act_pri_cfi.role, hw->cap_act_pri_cfi.id, |
776 | hw->cap_act_pri_cfi.variant, hw->cap_act_pri_cfi.bottom, |
777 | hw->cap_act_pri_cfi.top); |
778 | |
779 | /* Compatibility range, sta f/w actor, CFI supplier */ |
780 | result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_CFIACTRANGES, |
781 | buf: &hw->cap_act_sta_cfi, |
782 | len: sizeof(struct hfa384x_caplevel)); |
783 | if (result) { |
784 | netdev_err(dev: wlandev->netdev, format: "Failed to retrieve STA_CFIACTRANGES\n" ); |
785 | goto failed; |
786 | } |
787 | |
788 | /* get all the Compatibility range, station f/w actor, CFI supplier |
789 | * fields in byte order |
790 | */ |
791 | le16_to_cpus(&hw->cap_act_sta_cfi.role); |
792 | le16_to_cpus(&hw->cap_act_sta_cfi.id); |
793 | le16_to_cpus(&hw->cap_act_sta_cfi.variant); |
794 | le16_to_cpus(&hw->cap_act_sta_cfi.bottom); |
795 | le16_to_cpus(&hw->cap_act_sta_cfi.top); |
796 | |
797 | netdev_info(dev: wlandev->netdev, |
798 | format: "STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n" , |
799 | hw->cap_act_sta_cfi.role, hw->cap_act_sta_cfi.id, |
800 | hw->cap_act_sta_cfi.variant, hw->cap_act_sta_cfi.bottom, |
801 | hw->cap_act_sta_cfi.top); |
802 | |
803 | /* Compatibility range, sta f/w actor, MFI supplier */ |
804 | result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_MFIACTRANGES, |
805 | buf: &hw->cap_act_sta_mfi, |
806 | len: sizeof(struct hfa384x_caplevel)); |
807 | if (result) { |
808 | netdev_err(dev: wlandev->netdev, format: "Failed to retrieve STA_MFIACTRANGES\n" ); |
809 | goto failed; |
810 | } |
811 | |
812 | /* get all the Compatibility range, station f/w actor, MFI supplier |
813 | * fields in byte order |
814 | */ |
815 | le16_to_cpus(&hw->cap_act_sta_mfi.role); |
816 | le16_to_cpus(&hw->cap_act_sta_mfi.id); |
817 | le16_to_cpus(&hw->cap_act_sta_mfi.variant); |
818 | le16_to_cpus(&hw->cap_act_sta_mfi.bottom); |
819 | le16_to_cpus(&hw->cap_act_sta_mfi.top); |
820 | |
821 | netdev_info(dev: wlandev->netdev, |
822 | format: "STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n" , |
823 | hw->cap_act_sta_mfi.role, hw->cap_act_sta_mfi.id, |
824 | hw->cap_act_sta_mfi.variant, hw->cap_act_sta_mfi.bottom, |
825 | hw->cap_act_sta_mfi.top); |
826 | |
827 | /* Serial Number */ |
828 | result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICSERIALNUMBER, |
829 | buf: snum, HFA384x_RID_NICSERIALNUMBER_LEN); |
830 | if (!result) { |
831 | netdev_info(dev: wlandev->netdev, format: "Prism2 card SN: %*pE\n" , |
832 | HFA384x_RID_NICSERIALNUMBER_LEN, snum); |
833 | } else { |
834 | netdev_err(dev: wlandev->netdev, format: "Failed to retrieve Prism2 Card SN\n" ); |
835 | goto failed; |
836 | } |
837 | |
838 | /* Collect the MAC address */ |
839 | result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFOWNMACADDR, |
840 | buf: addr, ETH_ALEN); |
841 | if (result != 0) { |
842 | netdev_err(dev: wlandev->netdev, format: "Failed to retrieve mac address\n" ); |
843 | goto failed; |
844 | } |
845 | eth_hw_addr_set(dev: wlandev->netdev, addr); |
846 | |
847 | /* short preamble is always implemented */ |
848 | wlandev->nsdcaps |= P80211_NSDCAP_SHORT_PREAMBLE; |
849 | |
850 | /* find out if hardware wep is implemented */ |
851 | hfa384x_drvr_getconfig16(hw, HFA384x_RID_PRIVACYOPTIMP, val: &temp); |
852 | if (temp) |
853 | wlandev->nsdcaps |= P80211_NSDCAP_HARDWAREWEP; |
854 | |
855 | /* get the dBm Scaling constant */ |
856 | hfa384x_drvr_getconfig16(hw, HFA384x_RID_CNFDBMADJUST, val: &temp); |
857 | hw->dbmadjust = temp; |
858 | |
859 | /* Only enable scan by default on newer firmware */ |
860 | if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major, |
861 | hw->ident_sta_fw.minor, |
862 | hw->ident_sta_fw.variant) < |
863 | HFA384x_FIRMWARE_VERSION(1, 5, 5)) { |
864 | wlandev->nsdcaps |= P80211_NSDCAP_NOSCAN; |
865 | } |
866 | |
867 | /* TODO: Set any internally managed config items */ |
868 | |
869 | goto done; |
870 | failed: |
871 | netdev_err(dev: wlandev->netdev, format: "Failed, result=%d\n" , result); |
872 | done: |
873 | return result; |
874 | } |
875 | |
876 | /* |
877 | * prism2sta_globalsetup |
878 | * |
879 | * Set any global RIDs that we want to set at device activation. |
880 | * |
881 | * Arguments: |
882 | * wlandev wlan device structure |
883 | * |
884 | * Returns: |
885 | * 0 success |
886 | * >0 f/w reported error |
887 | * <0 driver reported error |
888 | * |
889 | * Side effects: |
890 | * |
891 | * Call context: |
892 | * process thread |
893 | */ |
894 | static int prism2sta_globalsetup(struct wlandevice *wlandev) |
895 | { |
896 | struct hfa384x *hw = wlandev->priv; |
897 | |
898 | /* Set the maximum frame size */ |
899 | return hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN, |
900 | WLAN_DATA_MAXLEN); |
901 | } |
902 | |
903 | static int prism2sta_setmulticast(struct wlandevice *wlandev, |
904 | struct net_device *dev) |
905 | { |
906 | int result = 0; |
907 | struct hfa384x *hw = wlandev->priv; |
908 | |
909 | u16 promisc; |
910 | |
911 | /* If we're not ready, what's the point? */ |
912 | if (hw->state != HFA384x_STATE_RUNNING) |
913 | goto exit; |
914 | |
915 | if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0) |
916 | promisc = P80211ENUM_truth_true; |
917 | else |
918 | promisc = P80211ENUM_truth_false; |
919 | |
920 | result = |
921 | hfa384x_drvr_setconfig16_async(hw, HFA384x_RID_PROMISCMODE, |
922 | val: promisc); |
923 | exit: |
924 | return result; |
925 | } |
926 | |
927 | /* |
928 | * prism2sta_inf_tallies |
929 | * |
930 | * Handles the receipt of a CommTallies info frame. |
931 | * |
932 | * Arguments: |
933 | * wlandev wlan device structure |
934 | * inf ptr to info frame (contents in hfa384x order) |
935 | * |
936 | * Returns: |
937 | * nothing |
938 | * |
939 | * Side effects: |
940 | * |
941 | * Call context: |
942 | * interrupt |
943 | */ |
944 | static void prism2sta_inf_tallies(struct wlandevice *wlandev, |
945 | struct hfa384x_inf_frame *inf) |
946 | { |
947 | struct hfa384x *hw = wlandev->priv; |
948 | __le16 *src16; |
949 | u32 *dst; |
950 | __le32 *src32; |
951 | int i; |
952 | int cnt; |
953 | |
954 | /* |
955 | * Determine if these are 16-bit or 32-bit tallies, based on the |
956 | * record length of the info record. |
957 | */ |
958 | |
959 | cnt = sizeof(struct hfa384x_comm_tallies_32) / sizeof(u32); |
960 | if (inf->framelen > 22) { |
961 | dst = (u32 *)&hw->tallies; |
962 | src32 = (__le32 *)&inf->info.commtallies32; |
963 | for (i = 0; i < cnt; i++, dst++, src32++) |
964 | *dst += le32_to_cpu(*src32); |
965 | } else { |
966 | dst = (u32 *)&hw->tallies; |
967 | src16 = (__le16 *)&inf->info.commtallies16; |
968 | for (i = 0; i < cnt; i++, dst++, src16++) |
969 | *dst += le16_to_cpu(*src16); |
970 | } |
971 | } |
972 | |
973 | /* |
974 | * prism2sta_inf_scanresults |
975 | * |
976 | * Handles the receipt of a Scan Results info frame. |
977 | * |
978 | * Arguments: |
979 | * wlandev wlan device structure |
980 | * inf ptr to info frame (contents in hfa384x order) |
981 | * |
982 | * Returns: |
983 | * nothing |
984 | * |
985 | * Side effects: |
986 | * |
987 | * Call context: |
988 | * interrupt |
989 | */ |
990 | static void prism2sta_inf_scanresults(struct wlandevice *wlandev, |
991 | struct hfa384x_inf_frame *inf) |
992 | { |
993 | struct hfa384x *hw = wlandev->priv; |
994 | int nbss; |
995 | struct hfa384x_scan_result *sr = &inf->info.scanresult; |
996 | int i; |
997 | struct hfa384x_join_request_data joinreq; |
998 | int result; |
999 | |
1000 | /* Get the number of results, first in bytes, then in results */ |
1001 | nbss = (inf->framelen * sizeof(u16)) - |
1002 | sizeof(inf->infotype) - sizeof(inf->info.scanresult.scanreason); |
1003 | nbss /= sizeof(struct hfa384x_scan_result_sub); |
1004 | |
1005 | /* Print em */ |
1006 | netdev_dbg(wlandev->netdev, "rx scanresults, reason=%d, nbss=%d:\n" , |
1007 | inf->info.scanresult.scanreason, nbss); |
1008 | for (i = 0; i < nbss; i++) { |
1009 | netdev_dbg(wlandev->netdev, "chid=%d anl=%d sl=%d bcnint=%d\n" , |
1010 | sr->result[i].chid, sr->result[i].anl, |
1011 | sr->result[i].sl, sr->result[i].bcnint); |
1012 | netdev_dbg(wlandev->netdev, |
1013 | " capinfo=0x%04x proberesp_rate=%d\n" , |
1014 | sr->result[i].capinfo, sr->result[i].proberesp_rate); |
1015 | } |
1016 | /* issue a join request */ |
1017 | joinreq.channel = sr->result[0].chid; |
1018 | memcpy(joinreq.bssid, sr->result[0].bssid, WLAN_BSSID_LEN); |
1019 | result = hfa384x_drvr_setconfig(hw, |
1020 | HFA384x_RID_JOINREQUEST, |
1021 | buf: &joinreq, HFA384x_RID_JOINREQUEST_LEN); |
1022 | if (result) { |
1023 | netdev_err(dev: wlandev->netdev, format: "setconfig(joinreq) failed, result=%d\n" , |
1024 | result); |
1025 | } |
1026 | } |
1027 | |
1028 | /* |
1029 | * prism2sta_inf_hostscanresults |
1030 | * |
1031 | * Handles the receipt of a Scan Results info frame. |
1032 | * |
1033 | * Arguments: |
1034 | * wlandev wlan device structure |
1035 | * inf ptr to info frame (contents in hfa384x order) |
1036 | * |
1037 | * Returns: |
1038 | * nothing |
1039 | * |
1040 | * Side effects: |
1041 | * |
1042 | * Call context: |
1043 | * interrupt |
1044 | */ |
1045 | static void prism2sta_inf_hostscanresults(struct wlandevice *wlandev, |
1046 | struct hfa384x_inf_frame *inf) |
1047 | { |
1048 | struct hfa384x *hw = wlandev->priv; |
1049 | int nbss; |
1050 | |
1051 | nbss = (inf->framelen - 3) / 32; |
1052 | netdev_dbg(wlandev->netdev, "Received %d hostscan results\n" , nbss); |
1053 | |
1054 | if (nbss > 32) |
1055 | nbss = 32; |
1056 | |
1057 | kfree(objp: hw->scanresults); |
1058 | |
1059 | hw->scanresults = kmemdup(p: inf, size: sizeof(*inf), GFP_ATOMIC); |
1060 | |
1061 | if (nbss == 0) |
1062 | nbss = -1; |
1063 | |
1064 | /* Notify/wake the sleeping caller. */ |
1065 | hw->scanflag = nbss; |
1066 | wake_up_interruptible(&hw->cmdq); |
1067 | }; |
1068 | |
1069 | /* |
1070 | * prism2sta_inf_chinforesults |
1071 | * |
1072 | * Handles the receipt of a Channel Info Results info frame. |
1073 | * |
1074 | * Arguments: |
1075 | * wlandev wlan device structure |
1076 | * inf ptr to info frame (contents in hfa384x order) |
1077 | * |
1078 | * Returns: |
1079 | * nothing |
1080 | * |
1081 | * Side effects: |
1082 | * |
1083 | * Call context: |
1084 | * interrupt |
1085 | */ |
1086 | static void prism2sta_inf_chinforesults(struct wlandevice *wlandev, |
1087 | struct hfa384x_inf_frame *inf) |
1088 | { |
1089 | struct hfa384x *hw = wlandev->priv; |
1090 | unsigned int i, n; |
1091 | |
1092 | hw->channel_info.results.scanchannels = |
1093 | inf->info.chinforesult.scanchannels; |
1094 | |
1095 | for (i = 0, n = 0; i < HFA384x_CHINFORESULT_MAX; i++) { |
1096 | struct hfa384x_ch_info_result_sub *result; |
1097 | struct hfa384x_ch_info_result_sub *chinforesult; |
1098 | int chan; |
1099 | |
1100 | if (!(hw->channel_info.results.scanchannels & (1 << i))) |
1101 | continue; |
1102 | |
1103 | result = &inf->info.chinforesult.result[n]; |
1104 | chan = result->chid - 1; |
1105 | |
1106 | if (chan < 0 || chan >= HFA384x_CHINFORESULT_MAX) |
1107 | continue; |
1108 | |
1109 | chinforesult = &hw->channel_info.results.result[chan]; |
1110 | chinforesult->chid = chan; |
1111 | chinforesult->anl = result->anl; |
1112 | chinforesult->pnl = result->pnl; |
1113 | chinforesult->active = result->active; |
1114 | |
1115 | netdev_dbg(wlandev->netdev, |
1116 | "chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n" , |
1117 | chan + 1, |
1118 | (chinforesult->active & HFA384x_CHINFORESULT_BSSACTIVE) ? |
1119 | "signal" : "noise" , |
1120 | chinforesult->anl, |
1121 | chinforesult->pnl, |
1122 | (chinforesult->active & HFA384x_CHINFORESULT_PCFACTIVE) ? 1 : 0); |
1123 | n++; |
1124 | } |
1125 | atomic_set(v: &hw->channel_info.done, i: 2); |
1126 | |
1127 | hw->channel_info.count = n; |
1128 | } |
1129 | |
1130 | void prism2sta_processing_defer(struct work_struct *data) |
1131 | { |
1132 | struct hfa384x *hw = container_of(data, struct hfa384x, link_bh); |
1133 | struct wlandevice *wlandev = hw->wlandev; |
1134 | struct hfa384x_bytestr32 ssid; |
1135 | int result; |
1136 | |
1137 | /* First let's process the auth frames */ |
1138 | { |
1139 | struct sk_buff *skb; |
1140 | struct hfa384x_inf_frame *inf; |
1141 | |
1142 | while ((skb = skb_dequeue(list: &hw->authq))) { |
1143 | inf = (struct hfa384x_inf_frame *)skb->data; |
1144 | prism2sta_inf_authreq_defer(wlandev, inf); |
1145 | } |
1146 | } |
1147 | |
1148 | /* Now let's handle the linkstatus stuff */ |
1149 | if (hw->link_status == hw->link_status_new) |
1150 | return; |
1151 | |
1152 | hw->link_status = hw->link_status_new; |
1153 | |
1154 | switch (hw->link_status) { |
1155 | case HFA384x_LINK_NOTCONNECTED: |
1156 | /* I'm currently assuming that this is the initial link |
1157 | * state. It should only be possible immediately |
1158 | * following an Enable command. |
1159 | * Response: |
1160 | * Block Transmits, Ignore receives of data frames |
1161 | */ |
1162 | netif_carrier_off(dev: wlandev->netdev); |
1163 | |
1164 | netdev_info(dev: wlandev->netdev, format: "linkstatus=NOTCONNECTED (unhandled)\n" ); |
1165 | break; |
1166 | |
1167 | case HFA384x_LINK_CONNECTED: |
1168 | /* This one indicates a successful scan/join/auth/assoc. |
1169 | * When we have the full MLME complement, this event will |
1170 | * signify successful completion of both mlme_authenticate |
1171 | * and mlme_associate. State management will get a little |
1172 | * ugly here. |
1173 | * Response: |
1174 | * Indicate authentication and/or association |
1175 | * Enable Transmits, Receives and pass up data frames |
1176 | */ |
1177 | |
1178 | netif_carrier_on(dev: wlandev->netdev); |
1179 | |
1180 | /* If we are joining a specific AP, set our |
1181 | * state and reset retries |
1182 | */ |
1183 | if (hw->join_ap == 1) |
1184 | hw->join_ap = 2; |
1185 | hw->join_retries = 60; |
1186 | |
1187 | /* Don't call this in monitor mode */ |
1188 | if (wlandev->netdev->type == ARPHRD_ETHER) { |
1189 | u16 portstatus; |
1190 | |
1191 | netdev_info(dev: wlandev->netdev, format: "linkstatus=CONNECTED\n" ); |
1192 | |
1193 | /* For non-usb devices, we can use the sync versions */ |
1194 | /* Collect the BSSID, and set state to allow tx */ |
1195 | |
1196 | result = hfa384x_drvr_getconfig(hw, |
1197 | HFA384x_RID_CURRENTBSSID, |
1198 | buf: wlandev->bssid, |
1199 | WLAN_BSSID_LEN); |
1200 | if (result) { |
1201 | netdev_dbg(wlandev->netdev, |
1202 | "getconfig(0x%02x) failed, result = %d\n" , |
1203 | HFA384x_RID_CURRENTBSSID, result); |
1204 | return; |
1205 | } |
1206 | |
1207 | result = hfa384x_drvr_getconfig(hw, |
1208 | HFA384x_RID_CURRENTSSID, |
1209 | buf: &ssid, len: sizeof(ssid)); |
1210 | if (result) { |
1211 | netdev_dbg(wlandev->netdev, |
1212 | "getconfig(0x%02x) failed, result = %d\n" , |
1213 | HFA384x_RID_CURRENTSSID, result); |
1214 | return; |
1215 | } |
1216 | prism2mgmt_bytestr2pstr(bytestr: (struct hfa384x_bytestr *)&ssid, |
1217 | pstr: (struct p80211pstrd *)&wlandev->ssid); |
1218 | |
1219 | /* Collect the port status */ |
1220 | result = hfa384x_drvr_getconfig16(hw, |
1221 | HFA384x_RID_PORTSTATUS, |
1222 | val: &portstatus); |
1223 | if (result) { |
1224 | netdev_dbg(wlandev->netdev, |
1225 | "getconfig(0x%02x) failed, result = %d\n" , |
1226 | HFA384x_RID_PORTSTATUS, result); |
1227 | return; |
1228 | } |
1229 | wlandev->macmode = |
1230 | (portstatus == HFA384x_PSTATUS_CONN_IBSS) ? |
1231 | WLAN_MACMODE_IBSS_STA : WLAN_MACMODE_ESS_STA; |
1232 | |
1233 | /* signal back up to cfg80211 layer */ |
1234 | prism2_connect_result(wlandev, P80211ENUM_truth_false); |
1235 | |
1236 | /* Get the ball rolling on the comms quality stuff */ |
1237 | prism2sta_commsqual_defer(data: &hw->commsqual_bh); |
1238 | } |
1239 | break; |
1240 | |
1241 | case HFA384x_LINK_DISCONNECTED: |
1242 | /* This one indicates that our association is gone. We've |
1243 | * lost connection with the AP and/or been disassociated. |
1244 | * This indicates that the MAC has completely cleared it's |
1245 | * associated state. We * should send a deauth indication |
1246 | * (implying disassoc) up * to the MLME. |
1247 | * Response: |
1248 | * Indicate Deauthentication |
1249 | * Block Transmits, Ignore receives of data frames |
1250 | */ |
1251 | if (wlandev->netdev->type == ARPHRD_ETHER) |
1252 | netdev_info(dev: wlandev->netdev, |
1253 | format: "linkstatus=DISCONNECTED (unhandled)\n" ); |
1254 | wlandev->macmode = WLAN_MACMODE_NONE; |
1255 | |
1256 | netif_carrier_off(dev: wlandev->netdev); |
1257 | |
1258 | /* signal back up to cfg80211 layer */ |
1259 | prism2_disconnected(wlandev); |
1260 | |
1261 | break; |
1262 | |
1263 | case HFA384x_LINK_AP_CHANGE: |
1264 | /* This one indicates that the MAC has decided to and |
1265 | * successfully completed a change to another AP. We |
1266 | * should probably implement a reassociation indication |
1267 | * in response to this one. I'm thinking that the |
1268 | * p80211 layer needs to be notified in case of |
1269 | * buffering/queueing issues. User mode also needs to be |
1270 | * notified so that any BSS dependent elements can be |
1271 | * updated. |
1272 | * associated state. We * should send a deauth indication |
1273 | * (implying disassoc) up * to the MLME. |
1274 | * Response: |
1275 | * Indicate Reassociation |
1276 | * Enable Transmits, Receives and pass up data frames |
1277 | */ |
1278 | netdev_info(dev: wlandev->netdev, format: "linkstatus=AP_CHANGE\n" ); |
1279 | |
1280 | result = hfa384x_drvr_getconfig(hw, |
1281 | HFA384x_RID_CURRENTBSSID, |
1282 | buf: wlandev->bssid, WLAN_BSSID_LEN); |
1283 | if (result) { |
1284 | netdev_dbg(wlandev->netdev, |
1285 | "getconfig(0x%02x) failed, result = %d\n" , |
1286 | HFA384x_RID_CURRENTBSSID, result); |
1287 | return; |
1288 | } |
1289 | |
1290 | result = hfa384x_drvr_getconfig(hw, |
1291 | HFA384x_RID_CURRENTSSID, |
1292 | buf: &ssid, len: sizeof(ssid)); |
1293 | if (result) { |
1294 | netdev_dbg(wlandev->netdev, |
1295 | "getconfig(0x%02x) failed, result = %d\n" , |
1296 | HFA384x_RID_CURRENTSSID, result); |
1297 | return; |
1298 | } |
1299 | prism2mgmt_bytestr2pstr(bytestr: (struct hfa384x_bytestr *)&ssid, |
1300 | pstr: (struct p80211pstrd *)&wlandev->ssid); |
1301 | |
1302 | hw->link_status = HFA384x_LINK_CONNECTED; |
1303 | netif_carrier_on(dev: wlandev->netdev); |
1304 | |
1305 | /* signal back up to cfg80211 layer */ |
1306 | prism2_roamed(wlandev); |
1307 | |
1308 | break; |
1309 | |
1310 | case HFA384x_LINK_AP_OUTOFRANGE: |
1311 | /* This one indicates that the MAC has decided that the |
1312 | * AP is out of range, but hasn't found a better candidate |
1313 | * so the MAC maintains its "associated" state in case |
1314 | * we get back in range. We should block transmits and |
1315 | * receives in this state. Do we need an indication here? |
1316 | * Probably not since a polling user-mode element would |
1317 | * get this status from p2PortStatus(FD40). What about |
1318 | * p80211? |
1319 | * Response: |
1320 | * Block Transmits, Ignore receives of data frames |
1321 | */ |
1322 | netdev_info(dev: wlandev->netdev, format: "linkstatus=AP_OUTOFRANGE (unhandled)\n" ); |
1323 | |
1324 | netif_carrier_off(dev: wlandev->netdev); |
1325 | |
1326 | break; |
1327 | |
1328 | case HFA384x_LINK_AP_INRANGE: |
1329 | /* This one indicates that the MAC has decided that the |
1330 | * AP is back in range. We continue working with our |
1331 | * existing association. |
1332 | * Response: |
1333 | * Enable Transmits, Receives and pass up data frames |
1334 | */ |
1335 | netdev_info(dev: wlandev->netdev, format: "linkstatus=AP_INRANGE\n" ); |
1336 | |
1337 | hw->link_status = HFA384x_LINK_CONNECTED; |
1338 | netif_carrier_on(dev: wlandev->netdev); |
1339 | |
1340 | break; |
1341 | |
1342 | case HFA384x_LINK_ASSOCFAIL: |
1343 | /* This one is actually a peer to CONNECTED. We've |
1344 | * requested a join for a given SSID and optionally BSSID. |
1345 | * We can use this one to indicate authentication and |
1346 | * association failures. The trick is going to be |
1347 | * 1) identifying the failure, and 2) state management. |
1348 | * Response: |
1349 | * Disable Transmits, Ignore receives of data frames |
1350 | */ |
1351 | if (hw->join_ap && --hw->join_retries > 0) { |
1352 | struct hfa384x_join_request_data joinreq; |
1353 | |
1354 | joinreq = hw->joinreq; |
1355 | /* Send the join request */ |
1356 | hfa384x_drvr_setconfig(hw, |
1357 | HFA384x_RID_JOINREQUEST, |
1358 | buf: &joinreq, |
1359 | HFA384x_RID_JOINREQUEST_LEN); |
1360 | netdev_info(dev: wlandev->netdev, |
1361 | format: "linkstatus=ASSOCFAIL (re-submitting join)\n" ); |
1362 | } else { |
1363 | netdev_info(dev: wlandev->netdev, format: "linkstatus=ASSOCFAIL (unhandled)\n" ); |
1364 | } |
1365 | |
1366 | netif_carrier_off(dev: wlandev->netdev); |
1367 | |
1368 | /* signal back up to cfg80211 layer */ |
1369 | prism2_connect_result(wlandev, P80211ENUM_truth_true); |
1370 | |
1371 | break; |
1372 | |
1373 | default: |
1374 | /* This is bad, IO port problems? */ |
1375 | netdev_warn(dev: wlandev->netdev, |
1376 | format: "unknown linkstatus=0x%02x\n" , hw->link_status); |
1377 | return; |
1378 | } |
1379 | |
1380 | wlandev->linkstatus = (hw->link_status == HFA384x_LINK_CONNECTED); |
1381 | } |
1382 | |
1383 | /* |
1384 | * prism2sta_inf_linkstatus |
1385 | * |
1386 | * Handles the receipt of a Link Status info frame. |
1387 | * |
1388 | * Arguments: |
1389 | * wlandev wlan device structure |
1390 | * inf ptr to info frame (contents in hfa384x order) |
1391 | * |
1392 | * Returns: |
1393 | * nothing |
1394 | * |
1395 | * Side effects: |
1396 | * |
1397 | * Call context: |
1398 | * interrupt |
1399 | */ |
1400 | static void prism2sta_inf_linkstatus(struct wlandevice *wlandev, |
1401 | struct hfa384x_inf_frame *inf) |
1402 | { |
1403 | struct hfa384x *hw = wlandev->priv; |
1404 | |
1405 | hw->link_status_new = le16_to_cpu(inf->info.linkstatus.linkstatus); |
1406 | |
1407 | schedule_work(work: &hw->link_bh); |
1408 | } |
1409 | |
1410 | /* |
1411 | * prism2sta_inf_assocstatus |
1412 | * |
1413 | * Handles the receipt of an Association Status info frame. Should |
1414 | * be present in APs only. |
1415 | * |
1416 | * Arguments: |
1417 | * wlandev wlan device structure |
1418 | * inf ptr to info frame (contents in hfa384x order) |
1419 | * |
1420 | * Returns: |
1421 | * nothing |
1422 | * |
1423 | * Side effects: |
1424 | * |
1425 | * Call context: |
1426 | * interrupt |
1427 | */ |
1428 | static void prism2sta_inf_assocstatus(struct wlandevice *wlandev, |
1429 | struct hfa384x_inf_frame *inf) |
1430 | { |
1431 | struct hfa384x *hw = wlandev->priv; |
1432 | struct hfa384x_assoc_status rec; |
1433 | int i; |
1434 | |
1435 | memcpy(&rec, &inf->info.assocstatus, sizeof(rec)); |
1436 | le16_to_cpus(&rec.assocstatus); |
1437 | le16_to_cpus(&rec.reason); |
1438 | |
1439 | /* |
1440 | * Find the address in the list of authenticated stations. |
1441 | * If it wasn't found, then this address has not been previously |
1442 | * authenticated and something weird has happened if this is |
1443 | * anything other than an "authentication failed" message. |
1444 | * If the address was found, then set the "associated" flag for |
1445 | * that station, based on whether the station is associating or |
1446 | * losing its association. Something weird has also happened |
1447 | * if we find the address in the list of authenticated stations |
1448 | * but we are getting an "authentication failed" message. |
1449 | */ |
1450 | |
1451 | for (i = 0; i < hw->authlist.cnt; i++) |
1452 | if (ether_addr_equal(addr1: rec.sta_addr, addr2: hw->authlist.addr[i])) |
1453 | break; |
1454 | |
1455 | if (i >= hw->authlist.cnt) { |
1456 | if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL) |
1457 | netdev_warn(dev: wlandev->netdev, |
1458 | format: "assocstatus info frame received for non-authenticated station.\n" ); |
1459 | } else { |
1460 | hw->authlist.assoc[i] = |
1461 | (rec.assocstatus == HFA384x_ASSOCSTATUS_STAASSOC || |
1462 | rec.assocstatus == HFA384x_ASSOCSTATUS_REASSOC); |
1463 | |
1464 | if (rec.assocstatus == HFA384x_ASSOCSTATUS_AUTHFAIL) |
1465 | netdev_warn(dev: wlandev->netdev, |
1466 | format: "authfail assocstatus info frame received for authenticated station.\n" ); |
1467 | } |
1468 | } |
1469 | |
1470 | /* |
1471 | * prism2sta_inf_authreq |
1472 | * |
1473 | * Handles the receipt of an Authentication Request info frame. Should |
1474 | * be present in APs only. |
1475 | * |
1476 | * Arguments: |
1477 | * wlandev wlan device structure |
1478 | * inf ptr to info frame (contents in hfa384x order) |
1479 | * |
1480 | * Returns: |
1481 | * nothing |
1482 | * |
1483 | * Side effects: |
1484 | * |
1485 | * Call context: |
1486 | * interrupt |
1487 | * |
1488 | */ |
1489 | static void prism2sta_inf_authreq(struct wlandevice *wlandev, |
1490 | struct hfa384x_inf_frame *inf) |
1491 | { |
1492 | struct hfa384x *hw = wlandev->priv; |
1493 | struct sk_buff *skb; |
1494 | |
1495 | skb = dev_alloc_skb(length: sizeof(*inf)); |
1496 | if (skb) { |
1497 | skb_put(skb, len: sizeof(*inf)); |
1498 | memcpy(skb->data, inf, sizeof(*inf)); |
1499 | skb_queue_tail(list: &hw->authq, newsk: skb); |
1500 | schedule_work(work: &hw->link_bh); |
1501 | } |
1502 | } |
1503 | |
1504 | static void prism2sta_inf_authreq_defer(struct wlandevice *wlandev, |
1505 | struct hfa384x_inf_frame *inf) |
1506 | { |
1507 | struct hfa384x *hw = wlandev->priv; |
1508 | struct hfa384x_authenticate_station_data rec; |
1509 | |
1510 | int i, added, result, cnt; |
1511 | u8 *addr; |
1512 | |
1513 | /* |
1514 | * Build the AuthenticateStation record. Initialize it for denying |
1515 | * authentication. |
1516 | */ |
1517 | |
1518 | ether_addr_copy(dst: rec.address, src: inf->info.authreq.sta_addr); |
1519 | rec.status = cpu_to_le16(P80211ENUM_status_unspec_failure); |
1520 | |
1521 | /* |
1522 | * Authenticate based on the access mode. |
1523 | */ |
1524 | |
1525 | switch (hw->accessmode) { |
1526 | case WLAN_ACCESS_NONE: |
1527 | |
1528 | /* |
1529 | * Deny all new authentications. However, if a station |
1530 | * is ALREADY authenticated, then accept it. |
1531 | */ |
1532 | |
1533 | for (i = 0; i < hw->authlist.cnt; i++) |
1534 | if (ether_addr_equal(addr1: rec.address, |
1535 | addr2: hw->authlist.addr[i])) { |
1536 | rec.status = cpu_to_le16(P80211ENUM_status_successful); |
1537 | break; |
1538 | } |
1539 | |
1540 | break; |
1541 | |
1542 | case WLAN_ACCESS_ALL: |
1543 | |
1544 | /* |
1545 | * Allow all authentications. |
1546 | */ |
1547 | |
1548 | rec.status = cpu_to_le16(P80211ENUM_status_successful); |
1549 | break; |
1550 | |
1551 | case WLAN_ACCESS_ALLOW: |
1552 | |
1553 | /* |
1554 | * Only allow the authentication if the MAC address |
1555 | * is in the list of allowed addresses. |
1556 | * |
1557 | * Since this is the interrupt handler, we may be here |
1558 | * while the access list is in the middle of being |
1559 | * updated. Choose the list which is currently okay. |
1560 | * See "prism2mib_priv_accessallow()" for details. |
1561 | */ |
1562 | |
1563 | if (hw->allow.modify == 0) { |
1564 | cnt = hw->allow.cnt; |
1565 | addr = hw->allow.addr[0]; |
1566 | } else { |
1567 | cnt = hw->allow.cnt1; |
1568 | addr = hw->allow.addr1[0]; |
1569 | } |
1570 | |
1571 | for (i = 0; i < cnt; i++, addr += ETH_ALEN) |
1572 | if (ether_addr_equal(addr1: rec.address, addr2: addr)) { |
1573 | rec.status = cpu_to_le16(P80211ENUM_status_successful); |
1574 | break; |
1575 | } |
1576 | |
1577 | break; |
1578 | |
1579 | case WLAN_ACCESS_DENY: |
1580 | |
1581 | /* |
1582 | * Allow the authentication UNLESS the MAC address is |
1583 | * in the list of denied addresses. |
1584 | * |
1585 | * Since this is the interrupt handler, we may be here |
1586 | * while the access list is in the middle of being |
1587 | * updated. Choose the list which is currently okay. |
1588 | * See "prism2mib_priv_accessdeny()" for details. |
1589 | */ |
1590 | |
1591 | if (hw->deny.modify == 0) { |
1592 | cnt = hw->deny.cnt; |
1593 | addr = hw->deny.addr[0]; |
1594 | } else { |
1595 | cnt = hw->deny.cnt1; |
1596 | addr = hw->deny.addr1[0]; |
1597 | } |
1598 | |
1599 | rec.status = cpu_to_le16(P80211ENUM_status_successful); |
1600 | |
1601 | for (i = 0; i < cnt; i++, addr += ETH_ALEN) |
1602 | if (ether_addr_equal(addr1: rec.address, addr2: addr)) { |
1603 | rec.status = cpu_to_le16(P80211ENUM_status_unspec_failure); |
1604 | break; |
1605 | } |
1606 | |
1607 | break; |
1608 | } |
1609 | |
1610 | /* |
1611 | * If the authentication is okay, then add the MAC address to the |
1612 | * list of authenticated stations. Don't add the address if it |
1613 | * is already in the list. (802.11b does not seem to disallow |
1614 | * a station from issuing an authentication request when the |
1615 | * station is already authenticated. Does this sort of thing |
1616 | * ever happen? We might as well do the check just in case.) |
1617 | */ |
1618 | |
1619 | added = 0; |
1620 | |
1621 | if (rec.status == cpu_to_le16(P80211ENUM_status_successful)) { |
1622 | for (i = 0; i < hw->authlist.cnt; i++) |
1623 | if (ether_addr_equal(addr1: rec.address, |
1624 | addr2: hw->authlist.addr[i])) |
1625 | break; |
1626 | |
1627 | if (i >= hw->authlist.cnt) { |
1628 | if (hw->authlist.cnt >= WLAN_AUTH_MAX) { |
1629 | rec.status = cpu_to_le16(P80211ENUM_status_ap_full); |
1630 | } else { |
1631 | ether_addr_copy(dst: hw->authlist.addr[hw->authlist.cnt], |
1632 | src: rec.address); |
1633 | hw->authlist.cnt++; |
1634 | added = 1; |
1635 | } |
1636 | } |
1637 | } |
1638 | |
1639 | /* |
1640 | * Send back the results of the authentication. If this doesn't work, |
1641 | * then make sure to remove the address from the authenticated list if |
1642 | * it was added. |
1643 | */ |
1644 | |
1645 | rec.algorithm = inf->info.authreq.algorithm; |
1646 | |
1647 | result = hfa384x_drvr_setconfig(hw, HFA384x_RID_AUTHENTICATESTA, |
1648 | buf: &rec, len: sizeof(rec)); |
1649 | if (result) { |
1650 | if (added) |
1651 | hw->authlist.cnt--; |
1652 | netdev_err(dev: wlandev->netdev, |
1653 | format: "setconfig(authenticatestation) failed, result=%d\n" , |
1654 | result); |
1655 | } |
1656 | } |
1657 | |
1658 | /* |
1659 | * prism2sta_inf_psusercnt |
1660 | * |
1661 | * Handles the receipt of a PowerSaveUserCount info frame. Should |
1662 | * be present in APs only. |
1663 | * |
1664 | * Arguments: |
1665 | * wlandev wlan device structure |
1666 | * inf ptr to info frame (contents in hfa384x order) |
1667 | * |
1668 | * Returns: |
1669 | * nothing |
1670 | * |
1671 | * Side effects: |
1672 | * |
1673 | * Call context: |
1674 | * interrupt |
1675 | */ |
1676 | static void prism2sta_inf_psusercnt(struct wlandevice *wlandev, |
1677 | struct hfa384x_inf_frame *inf) |
1678 | { |
1679 | struct hfa384x *hw = wlandev->priv; |
1680 | |
1681 | hw->psusercount = le16_to_cpu(inf->info.psusercnt.usercnt); |
1682 | } |
1683 | |
1684 | /* |
1685 | * prism2sta_ev_info |
1686 | * |
1687 | * Handles the Info event. |
1688 | * |
1689 | * Arguments: |
1690 | * wlandev wlan device structure |
1691 | * inf ptr to a generic info frame |
1692 | * |
1693 | * Returns: |
1694 | * nothing |
1695 | * |
1696 | * Side effects: |
1697 | * |
1698 | * Call context: |
1699 | * interrupt |
1700 | */ |
1701 | void prism2sta_ev_info(struct wlandevice *wlandev, |
1702 | struct hfa384x_inf_frame *inf) |
1703 | { |
1704 | le16_to_cpus(&inf->infotype); |
1705 | /* Dispatch */ |
1706 | switch (inf->infotype) { |
1707 | case HFA384x_IT_HANDOVERADDR: |
1708 | netdev_dbg(wlandev->netdev, |
1709 | "received infoframe:HANDOVER (unhandled)\n" ); |
1710 | break; |
1711 | case HFA384x_IT_COMMTALLIES: |
1712 | prism2sta_inf_tallies(wlandev, inf); |
1713 | break; |
1714 | case HFA384x_IT_HOSTSCANRESULTS: |
1715 | prism2sta_inf_hostscanresults(wlandev, inf); |
1716 | break; |
1717 | case HFA384x_IT_SCANRESULTS: |
1718 | prism2sta_inf_scanresults(wlandev, inf); |
1719 | break; |
1720 | case HFA384x_IT_CHINFORESULTS: |
1721 | prism2sta_inf_chinforesults(wlandev, inf); |
1722 | break; |
1723 | case HFA384x_IT_LINKSTATUS: |
1724 | prism2sta_inf_linkstatus(wlandev, inf); |
1725 | break; |
1726 | case HFA384x_IT_ASSOCSTATUS: |
1727 | prism2sta_inf_assocstatus(wlandev, inf); |
1728 | break; |
1729 | case HFA384x_IT_AUTHREQ: |
1730 | prism2sta_inf_authreq(wlandev, inf); |
1731 | break; |
1732 | case HFA384x_IT_PSUSERCNT: |
1733 | prism2sta_inf_psusercnt(wlandev, inf); |
1734 | break; |
1735 | case HFA384x_IT_KEYIDCHANGED: |
1736 | netdev_warn(dev: wlandev->netdev, format: "Unhandled IT_KEYIDCHANGED\n" ); |
1737 | break; |
1738 | case HFA384x_IT_ASSOCREQ: |
1739 | netdev_warn(dev: wlandev->netdev, format: "Unhandled IT_ASSOCREQ\n" ); |
1740 | break; |
1741 | case HFA384x_IT_MICFAILURE: |
1742 | netdev_warn(dev: wlandev->netdev, format: "Unhandled IT_MICFAILURE\n" ); |
1743 | break; |
1744 | default: |
1745 | netdev_warn(dev: wlandev->netdev, |
1746 | format: "Unknown info type=0x%02x\n" , inf->infotype); |
1747 | break; |
1748 | } |
1749 | } |
1750 | |
1751 | /* |
1752 | * prism2sta_ev_tx |
1753 | * |
1754 | * Handles the Tx event. |
1755 | * |
1756 | * Arguments: |
1757 | * wlandev wlan device structure |
1758 | * status tx frame status word |
1759 | * Returns: |
1760 | * nothing |
1761 | * |
1762 | * Side effects: |
1763 | * |
1764 | * Call context: |
1765 | * interrupt |
1766 | */ |
1767 | void prism2sta_ev_tx(struct wlandevice *wlandev, u16 status) |
1768 | { |
1769 | netdev_dbg(wlandev->netdev, "Tx Complete, status=0x%04x\n" , status); |
1770 | /* update linux network stats */ |
1771 | wlandev->netdev->stats.tx_packets++; |
1772 | } |
1773 | |
1774 | /* |
1775 | * prism2sta_ev_alloc |
1776 | * |
1777 | * Handles the Alloc event. |
1778 | * |
1779 | * Arguments: |
1780 | * wlandev wlan device structure |
1781 | * |
1782 | * Returns: |
1783 | * nothing |
1784 | * |
1785 | * Side effects: |
1786 | * |
1787 | * Call context: |
1788 | * interrupt |
1789 | */ |
1790 | void prism2sta_ev_alloc(struct wlandevice *wlandev) |
1791 | { |
1792 | netif_wake_queue(dev: wlandev->netdev); |
1793 | } |
1794 | |
1795 | /* |
1796 | * create_wlan |
1797 | * |
1798 | * Called at module init time. This creates the struct wlandevice structure |
1799 | * and initializes it with relevant bits. |
1800 | * |
1801 | * Arguments: |
1802 | * none |
1803 | * |
1804 | * Returns: |
1805 | * the created struct wlandevice structure. |
1806 | * |
1807 | * Side effects: |
1808 | * also allocates the priv/hw structures. |
1809 | * |
1810 | * Call context: |
1811 | * process thread |
1812 | * |
1813 | */ |
1814 | static struct wlandevice *create_wlan(void) |
1815 | { |
1816 | struct wlandevice *wlandev = NULL; |
1817 | struct hfa384x *hw = NULL; |
1818 | |
1819 | /* Alloc our structures */ |
1820 | wlandev = kzalloc(size: sizeof(*wlandev), GFP_KERNEL); |
1821 | hw = kzalloc(size: sizeof(*hw), GFP_KERNEL); |
1822 | |
1823 | if (!wlandev || !hw) { |
1824 | kfree(objp: wlandev); |
1825 | kfree(objp: hw); |
1826 | return NULL; |
1827 | } |
1828 | |
1829 | /* Initialize the network device object. */ |
1830 | wlandev->nsdname = dev_info; |
1831 | wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING; |
1832 | wlandev->priv = hw; |
1833 | wlandev->open = prism2sta_open; |
1834 | wlandev->close = prism2sta_close; |
1835 | wlandev->reset = prism2sta_reset; |
1836 | wlandev->txframe = prism2sta_txframe; |
1837 | wlandev->mlmerequest = prism2sta_mlmerequest; |
1838 | wlandev->set_multicast_list = prism2sta_setmulticast; |
1839 | wlandev->tx_timeout = hfa384x_tx_timeout; |
1840 | |
1841 | wlandev->nsdcaps = P80211_NSDCAP_HWFRAGMENT | P80211_NSDCAP_AUTOJOIN; |
1842 | |
1843 | /* Initialize the device private data structure. */ |
1844 | hw->dot11_desired_bss_type = 1; |
1845 | |
1846 | return wlandev; |
1847 | } |
1848 | |
1849 | void prism2sta_commsqual_defer(struct work_struct *data) |
1850 | { |
1851 | struct hfa384x *hw = container_of(data, struct hfa384x, commsqual_bh); |
1852 | struct wlandevice *wlandev = hw->wlandev; |
1853 | struct hfa384x_bytestr32 ssid; |
1854 | struct p80211msg_dot11req_mibget msg; |
1855 | struct p80211item_uint32 *mibitem = (struct p80211item_uint32 *) |
1856 | &msg.mibattribute.data; |
1857 | int result = 0; |
1858 | |
1859 | if (hw->wlandev->hwremoved) |
1860 | return; |
1861 | |
1862 | /* we don't care if we're in AP mode */ |
1863 | if ((wlandev->macmode == WLAN_MACMODE_NONE) || |
1864 | (wlandev->macmode == WLAN_MACMODE_ESS_AP)) { |
1865 | return; |
1866 | } |
1867 | |
1868 | /* It only makes sense to poll these in non-IBSS */ |
1869 | if (wlandev->macmode != WLAN_MACMODE_IBSS_STA) { |
1870 | result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DBMCOMMSQUALITY, |
1871 | buf: &hw->qual, HFA384x_RID_DBMCOMMSQUALITY_LEN); |
1872 | |
1873 | if (result) { |
1874 | netdev_err(dev: wlandev->netdev, format: "error fetching commsqual\n" ); |
1875 | return; |
1876 | } |
1877 | |
1878 | netdev_dbg(wlandev->netdev, "commsqual %d %d %d\n" , |
1879 | le16_to_cpu(hw->qual.cq_curr_bss), |
1880 | le16_to_cpu(hw->qual.asl_curr_bss), |
1881 | le16_to_cpu(hw->qual.anl_curr_fc)); |
1882 | } |
1883 | |
1884 | /* Get the signal rate */ |
1885 | msg.msgcode = DIDMSG_DOT11REQ_MIBGET; |
1886 | mibitem->did = DIDMIB_P2_MAC_CURRENTTXRATE; |
1887 | result = p80211req_dorequest(wlandev, msgbuf: (u8 *)&msg); |
1888 | |
1889 | if (result) { |
1890 | netdev_dbg(wlandev->netdev, |
1891 | "get signal rate failed, result = %d\n" , result); |
1892 | return; |
1893 | } |
1894 | |
1895 | switch (mibitem->data) { |
1896 | case HFA384x_RATEBIT_1: |
1897 | hw->txrate = 10; |
1898 | break; |
1899 | case HFA384x_RATEBIT_2: |
1900 | hw->txrate = 20; |
1901 | break; |
1902 | case HFA384x_RATEBIT_5dot5: |
1903 | hw->txrate = 55; |
1904 | break; |
1905 | case HFA384x_RATEBIT_11: |
1906 | hw->txrate = 110; |
1907 | break; |
1908 | default: |
1909 | netdev_dbg(wlandev->netdev, "Bad ratebit (%d)\n" , |
1910 | mibitem->data); |
1911 | } |
1912 | |
1913 | /* Lastly, we need to make sure the BSSID didn't change on us */ |
1914 | result = hfa384x_drvr_getconfig(hw, |
1915 | HFA384x_RID_CURRENTBSSID, |
1916 | buf: wlandev->bssid, WLAN_BSSID_LEN); |
1917 | if (result) { |
1918 | netdev_dbg(wlandev->netdev, |
1919 | "getconfig(0x%02x) failed, result = %d\n" , |
1920 | HFA384x_RID_CURRENTBSSID, result); |
1921 | return; |
1922 | } |
1923 | |
1924 | result = hfa384x_drvr_getconfig(hw, |
1925 | HFA384x_RID_CURRENTSSID, |
1926 | buf: &ssid, len: sizeof(ssid)); |
1927 | if (result) { |
1928 | netdev_dbg(wlandev->netdev, |
1929 | "getconfig(0x%02x) failed, result = %d\n" , |
1930 | HFA384x_RID_CURRENTSSID, result); |
1931 | return; |
1932 | } |
1933 | prism2mgmt_bytestr2pstr(bytestr: (struct hfa384x_bytestr *)&ssid, |
1934 | pstr: (struct p80211pstrd *)&wlandev->ssid); |
1935 | |
1936 | /* Reschedule timer */ |
1937 | mod_timer(timer: &hw->commsqual_timer, expires: jiffies + HZ); |
1938 | } |
1939 | |
1940 | void prism2sta_commsqual_timer(struct timer_list *t) |
1941 | { |
1942 | struct hfa384x *hw = from_timer(hw, t, commsqual_timer); |
1943 | |
1944 | schedule_work(work: &hw->commsqual_bh); |
1945 | } |
1946 | |