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libertas: fix association with some APs by using extended rates
[net-next-2.6.git] / drivers / net / wireless / libertas / cfg.c
CommitLineData
ff9fc791
HS		 1/*
2 * Implement cfg80211 ("iw") support.
3 *
4 * Copyright (C) 2009 M&N Solutions GmbH, 61191 Rosbach, Germany
5 * Holger Schurig <hs4233@mail.mn-solutions.de>
6 *
7 */
8
5a0e3ad6 9#include <linux/slab.h>
1047d5ed 10#include <linux/ieee80211.h>
ff9fc791 11#include <net/cfg80211.h>
e86dc1ca 12#include <asm/unaligned.h>
ff9fc791 13
e86dc1ca 14#include "decl.h"
ff9fc791
HS		 15#include "cfg.h"
16#include "cmd.h"
17
18
19#define CHAN2G(_channel, _freq, _flags) { \
20 .band = IEEE80211_BAND_2GHZ, \
21 .center_freq = (_freq), \
22 .hw_value = (_channel), \
23 .flags = (_flags), \
24 .max_antenna_gain = 0, \
25 .max_power = 30, \
26}
27
28static struct ieee80211_channel lbs_2ghz_channels[] = {
29 CHAN2G(1, 2412, 0),
30 CHAN2G(2, 2417, 0),
31 CHAN2G(3, 2422, 0),
32 CHAN2G(4, 2427, 0),
33 CHAN2G(5, 2432, 0),
34 CHAN2G(6, 2437, 0),
35 CHAN2G(7, 2442, 0),
36 CHAN2G(8, 2447, 0),
37 CHAN2G(9, 2452, 0),
38 CHAN2G(10, 2457, 0),
39 CHAN2G(11, 2462, 0),
40 CHAN2G(12, 2467, 0),
41 CHAN2G(13, 2472, 0),
42 CHAN2G(14, 2484, 0),
43};
44
e86dc1ca
KD		 45#define RATETAB_ENT(_rate, _hw_value, _flags) { \
46 .bitrate = (_rate), \
47 .hw_value = (_hw_value), \
48 .flags = (_flags), \
ff9fc791
HS		 49}
50
51
e86dc1ca 52/* Table 6 in section 3.2.1.1 */
ff9fc791 53static struct ieee80211_rate lbs_rates[] = {
e86dc1ca
KD		 54 RATETAB_ENT(10, 0, 0),
55 RATETAB_ENT(20, 1, 0),
56 RATETAB_ENT(55, 2, 0),
57 RATETAB_ENT(110, 3, 0),
58 RATETAB_ENT(60, 9, 0),
59 RATETAB_ENT(90, 6, 0),
60 RATETAB_ENT(120, 7, 0),
61 RATETAB_ENT(180, 8, 0),
62 RATETAB_ENT(240, 9, 0),
63 RATETAB_ENT(360, 10, 0),
64 RATETAB_ENT(480, 11, 0),
65 RATETAB_ENT(540, 12, 0),
ff9fc791
HS		 66};
67
68static struct ieee80211_supported_band lbs_band_2ghz = {
69 .channels = lbs_2ghz_channels,
70 .n_channels = ARRAY_SIZE(lbs_2ghz_channels),
71 .bitrates = lbs_rates,
72 .n_bitrates = ARRAY_SIZE(lbs_rates),
73};
74
75
76static const u32 cipher_suites[] = {
77 WLAN_CIPHER_SUITE_WEP40,
78 WLAN_CIPHER_SUITE_WEP104,
79 WLAN_CIPHER_SUITE_TKIP,
80 WLAN_CIPHER_SUITE_CCMP,
81};
82
e86dc1ca
KD		 83/* Time to stay on the channel */
84#define LBS_DWELL_PASSIVE 100
85#define LBS_DWELL_ACTIVE 40
ff9fc791
HS		 86
87
e86dc1ca
KD		 88/***************************************************************************
89 * Misc utility functions
90 *
91 * TLVs are Marvell specific. They are very similar to IEs, they have the
92 * same structure: type, length, data*. The only difference: for IEs, the
93 * type and length are u8, but for TLVs they're __le16.
94 */
95
96/*
97 * Convert NL80211's auth_type to the one from Libertas, see chapter 5.9.1
98 * in the firmware spec
99 */
100static u8 lbs_auth_to_authtype(enum nl80211_auth_type auth_type)
101{
102 int ret = -ENOTSUPP;
103
104 switch (auth_type) {
105 case NL80211_AUTHTYPE_OPEN_SYSTEM:
106 case NL80211_AUTHTYPE_SHARED_KEY:
107 ret = auth_type;
108 break;
109 case NL80211_AUTHTYPE_AUTOMATIC:
110 ret = NL80211_AUTHTYPE_OPEN_SYSTEM;
111 break;
112 case NL80211_AUTHTYPE_NETWORK_EAP:
113 ret = 0x80;
114 break;
115 default:
116 /* silence compiler */
117 break;
118 }
119 return ret;
120}
121
122
123/* Various firmware commands need the list of supported rates, but with
124 the hight-bit set for basic rates */
125static int lbs_add_rates(u8 *rates)
126{
127 size_t i;
128
129 for (i = 0; i < ARRAY_SIZE(lbs_rates); i++) {
130 u8 rate = lbs_rates[i].bitrate / 5;
131 if (rate == 0x02 || rate == 0x04 ||
132 rate == 0x0b || rate == 0x16)
133 rate |= 0x80;
134 rates[i] = rate;
135 }
136 return ARRAY_SIZE(lbs_rates);
137}
138
139
140/***************************************************************************
141 * TLV utility functions
142 *
143 * TLVs are Marvell specific. They are very similar to IEs, they have the
144 * same structure: type, length, data*. The only difference: for IEs, the
145 * type and length are u8, but for TLVs they're __le16.
146 */
147
148
149/*
150 * Add ssid TLV
151 */
152#define LBS_MAX_SSID_TLV_SIZE \
153 (sizeof(struct mrvl_ie_header) \
154 + IEEE80211_MAX_SSID_LEN)
155
156static int lbs_add_ssid_tlv(u8 *tlv, const u8 *ssid, int ssid_len)
157{
158 struct mrvl_ie_ssid_param_set *ssid_tlv = (void *)tlv;
159
160 /*
161 * TLV-ID SSID 00 00
162 * length 06 00
163 * ssid 4d 4e 54 45 53 54
164 */
165 ssid_tlv->header.type = cpu_to_le16(TLV_TYPE_SSID);
166 ssid_tlv->header.len = cpu_to_le16(ssid_len);
167 memcpy(ssid_tlv->ssid, ssid, ssid_len);
168 return sizeof(ssid_tlv->header) + ssid_len;
169}
170
171
172/*
173 * Add channel list TLV (section 8.4.2)
174 *
175 * Actual channel data comes from priv->wdev->wiphy->channels.
176 */
177#define LBS_MAX_CHANNEL_LIST_TLV_SIZE \
178 (sizeof(struct mrvl_ie_header) \
179 + (LBS_SCAN_BEFORE_NAP * sizeof(struct chanscanparamset)))
180
181static int lbs_add_channel_list_tlv(struct lbs_private *priv, u8 *tlv,
182 int last_channel, int active_scan)
183{
184 int chanscanparamsize = sizeof(struct chanscanparamset) *
185 (last_channel - priv->scan_channel);
186
187 struct mrvl_ie_header *header = (void *) tlv;
188
189 /*
190 * TLV-ID CHANLIST 01 01
191 * length 0e 00
192 * channel 00 01 00 00 00 64 00
193 * radio type 00
194 * channel 01
195 * scan type 00
196 * min scan time 00 00
197 * max scan time 64 00
198 * channel 2 00 02 00 00 00 64 00
199 *
200 */
201
202 header->type = cpu_to_le16(TLV_TYPE_CHANLIST);
203 header->len = cpu_to_le16(chanscanparamsize);
204 tlv += sizeof(struct mrvl_ie_header);
205
206 /* lbs_deb_scan("scan: channels %d to %d\n", priv->scan_channel,
207 last_channel); */
208 memset(tlv, 0, chanscanparamsize);
209
210 while (priv->scan_channel < last_channel) {
211 struct chanscanparamset *param = (void *) tlv;
212
213 param->radiotype = CMD_SCAN_RADIO_TYPE_BG;
214 param->channumber =
215 priv->scan_req->channels[priv->scan_channel]->hw_value;
216 if (active_scan) {
217 param->maxscantime = cpu_to_le16(LBS_DWELL_ACTIVE);
218 } else {
219 param->chanscanmode.passivescan = 1;
220 param->maxscantime = cpu_to_le16(LBS_DWELL_PASSIVE);
221 }
222 tlv += sizeof(struct chanscanparamset);
223 priv->scan_channel++;
224 }
225 return sizeof(struct mrvl_ie_header) + chanscanparamsize;
226}
227
228
229/*
230 * Add rates TLV
231 *
232 * The rates are in lbs_bg_rates[], but for the 802.11b
233 * rates the high bit is set. We add this TLV only because
234 * there's a firmware which otherwise doesn't report all
235 * APs in range.
236 */
237#define LBS_MAX_RATES_TLV_SIZE \
238 (sizeof(struct mrvl_ie_header) \
239 + (ARRAY_SIZE(lbs_rates)))
240
241/* Adds a TLV with all rates the hardware supports */
242static int lbs_add_supported_rates_tlv(u8 *tlv)
243{
244 size_t i;
245 struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv;
246
247 /*
248 * TLV-ID RATES 01 00
249 * length 0e 00
250 * rates 82 84 8b 96 0c 12 18 24 30 48 60 6c
251 */
252 rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES);
253 tlv += sizeof(rate_tlv->header);
254 i = lbs_add_rates(tlv);
255 tlv += i;
256 rate_tlv->header.len = cpu_to_le16(i);
257 return sizeof(rate_tlv->header) + i;
258}
259
19757539
DW		 260/* Add common rates from a TLV and return the new end of the TLV */
261static u8 *
262add_ie_rates(u8 *tlv, const u8 *ie, int *nrates)
263{
264 int hw, ap, ap_max = ie[1];
265 u8 hw_rate;
266
267 /* Advance past IE header */
268 ie += 2;
269
270 lbs_deb_hex(LBS_DEB_ASSOC, "AP IE Rates", (u8 *) ie, ap_max);
271
272 for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
273 hw_rate = lbs_rates[hw].bitrate / 5;
274 for (ap = 0; ap < ap_max; ap++) {
275 if (hw_rate == (ie[ap] & 0x7f)) {
276 *tlv++ = ie[ap];
277 *nrates = *nrates + 1;
278 }
279 }
280 }
281 return tlv;
282}
e86dc1ca
KD		 283
284/*
285 * Adds a TLV with all rates the hardware *and* BSS supports.
286 */
287static int lbs_add_common_rates_tlv(u8 *tlv, struct cfg80211_bss *bss)
288{
289 struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv;
19757539
DW		 290 const u8 *rates_eid, *ext_rates_eid;
291 int n = 0;
292
293 rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
294 ext_rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_EXT_SUPP_RATES);
e86dc1ca
KD		 295
296 /*
297 * 01 00 TLV_TYPE_RATES
298 * 04 00 len
299 * 82 84 8b 96 rates
300 */
301 rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES);
302 tlv += sizeof(rate_tlv->header);
303
19757539
DW		 304 /* Add basic rates */
305 if (rates_eid) {
306 tlv = add_ie_rates(tlv, rates_eid, &n);
307
308 /* Add extended rates, if any */
309 if (ext_rates_eid)
310 tlv = add_ie_rates(tlv, ext_rates_eid, &n);
311 } else {
312 lbs_deb_assoc("assoc: bss had no basic rate IE\n");
e86dc1ca
KD		 313 /* Fallback: add basic 802.11b rates */
314 *tlv++ = 0x82;
315 *tlv++ = 0x84;
316 *tlv++ = 0x8b;
317 *tlv++ = 0x96;
318 n = 4;
e86dc1ca
KD		 319 }
320
321 rate_tlv->header.len = cpu_to_le16(n);
322 return sizeof(rate_tlv->header) + n;
323}
324
325
326/*
327 * Add auth type TLV.
328 *
329 * This is only needed for newer firmware (V9 and up).
330 */
331#define LBS_MAX_AUTH_TYPE_TLV_SIZE \
332 sizeof(struct mrvl_ie_auth_type)
333
334static int lbs_add_auth_type_tlv(u8 *tlv, enum nl80211_auth_type auth_type)
335{
336 struct mrvl_ie_auth_type *auth = (void *) tlv;
337
338 /*
339 * 1f 01 TLV_TYPE_AUTH_TYPE
340 * 01 00 len
341 * 01 auth type
342 */
343 auth->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
344 auth->header.len = cpu_to_le16(sizeof(*auth)-sizeof(auth->header));
345 auth->auth = cpu_to_le16(lbs_auth_to_authtype(auth_type));
346 return sizeof(*auth);
347}
348
349
350/*
351 * Add channel (phy ds) TLV
352 */
353#define LBS_MAX_CHANNEL_TLV_SIZE \
354 sizeof(struct mrvl_ie_header)
355
356static int lbs_add_channel_tlv(u8 *tlv, u8 channel)
357{
358 struct mrvl_ie_ds_param_set *ds = (void *) tlv;
359
360 /*
361 * 03 00 TLV_TYPE_PHY_DS
362 * 01 00 len
363 * 06 channel
364 */
365 ds->header.type = cpu_to_le16(TLV_TYPE_PHY_DS);
366 ds->header.len = cpu_to_le16(sizeof(*ds)-sizeof(ds->header));
367 ds->channel = channel;
368 return sizeof(*ds);
369}
370
371
372/*
373 * Add (empty) CF param TLV of the form:
374 */
375#define LBS_MAX_CF_PARAM_TLV_SIZE \
376 sizeof(struct mrvl_ie_header)
377
378static int lbs_add_cf_param_tlv(u8 *tlv)
379{
380 struct mrvl_ie_cf_param_set *cf = (void *)tlv;
381
382 /*
383 * 04 00 TLV_TYPE_CF
384 * 06 00 len
385 * 00 cfpcnt
386 * 00 cfpperiod
387 * 00 00 cfpmaxduration
388 * 00 00 cfpdurationremaining
389 */
390 cf->header.type = cpu_to_le16(TLV_TYPE_CF);
391 cf->header.len = cpu_to_le16(sizeof(*cf)-sizeof(cf->header));
392 return sizeof(*cf);
393}
394
395/*
396 * Add WPA TLV
397 */
398#define LBS_MAX_WPA_TLV_SIZE \
399 (sizeof(struct mrvl_ie_header) \
400 + 128 /* TODO: I guessed the size */)
401
402static int lbs_add_wpa_tlv(u8 *tlv, const u8 *ie, u8 ie_len)
403{
404 size_t tlv_len;
405
406 /*
407 * We need just convert an IE to an TLV. IEs use u8 for the header,
408 * u8 type
409 * u8 len
410 * u8[] data
411 * but TLVs use __le16 instead:
412 * __le16 type
413 * __le16 len
414 * u8[] data
415 */
416 *tlv++ = *ie++;
417 *tlv++ = 0;
418 tlv_len = *tlv++ = *ie++;
419 *tlv++ = 0;
420 while (tlv_len--)
421 *tlv++ = *ie++;
422 /* the TLV is two bytes larger than the IE */
423 return ie_len + 2;
424}
425
426/***************************************************************************
427 * Set Channel
428 */
429
ff9fc791 430static int lbs_cfg_set_channel(struct wiphy *wiphy,
f444de05 431 struct net_device *netdev,
e86dc1ca 432 struct ieee80211_channel *channel,
ff9fc791
HS		 433 enum nl80211_channel_type channel_type)
434{
435 struct lbs_private *priv = wiphy_priv(wiphy);
e86dc1ca
KD		 436 int ret = -ENOTSUPP;
437
438 lbs_deb_enter_args(LBS_DEB_CFG80211, "freq %d, type %d",
439 channel->center_freq, channel_type);
440
441 if (channel_type != NL80211_CHAN_NO_HT)
442 goto out;
443
444 ret = lbs_set_channel(priv, channel->hw_value);
445
446 out:
447 lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
448 return ret;
449}
450
451
452
453/***************************************************************************
454 * Scanning
455 */
456
457/*
458 * When scanning, the firmware doesn't send a nul packet with the power-safe
459 * bit to the AP. So we cannot stay away from our current channel too long,
460 * otherwise we loose data. So take a "nap" while scanning every other
461 * while.
462 */
463#define LBS_SCAN_BEFORE_NAP 4
464
465
466/*
467 * When the firmware reports back a scan-result, it gives us an "u8 rssi",
468 * which isn't really an RSSI, as it becomes larger when moving away from
469 * the AP. Anyway, we need to convert that into mBm.
470 */
471#define LBS_SCAN_RSSI_TO_MBM(rssi) \
472 ((-(int)rssi + 3)*100)
473
474static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
475 struct cmd_header *resp)
476{
477 struct cmd_ds_802_11_scan_rsp *scanresp = (void *)resp;
478 int bsssize;
479 const u8 *pos;
480 u16 nr_sets;
481 const u8 *tsfdesc;
482 int tsfsize;
483 int i;
484 int ret = -EILSEQ;
485
486 lbs_deb_enter(LBS_DEB_CFG80211);
487
488 bsssize = get_unaligned_le16(&scanresp->bssdescriptsize);
aebb628f
DW		 489 nr_sets = le16_to_cpu(scanresp->nr_sets);
490
491 lbs_deb_scan("scan response: %d BSSs (%d bytes); resp size %d bytes\n",
492 nr_sets, bsssize, le16_to_cpu(resp->size));
493
494 if (nr_sets == 0) {
495 ret = 0;
496 goto done;
497 }
e86dc1ca
KD		 498
499 /*
500 * The general layout of the scan response is described in chapter
501 * 5.7.1. Basically we have a common part, then any number of BSS
502 * descriptor sections. Finally we have section with the same number
503 * of TSFs.
504 *
505 * cmd_ds_802_11_scan_rsp
506 * cmd_header
507 * pos_size
508 * nr_sets
509 * bssdesc 1
510 * bssid
511 * rssi
512 * timestamp
513 * intvl
514 * capa
515 * IEs
516 * bssdesc 2
517 * bssdesc n
518 * MrvlIEtypes_TsfFimestamp_t
519 * TSF for BSS 1
520 * TSF for BSS 2
521 * TSF for BSS n
522 */
523
524 pos = scanresp->bssdesc_and_tlvbuffer;
525
526 tsfdesc = pos + bsssize;
527 tsfsize = 4 + 8 * scanresp->nr_sets;
528
529 /* Validity check: we expect a Marvell-Local TLV */
530 i = get_unaligned_le16(tsfdesc);
531 tsfdesc += 2;
532 if (i != TLV_TYPE_TSFTIMESTAMP)
533 goto done;
534 /* Validity check: the TLV holds TSF values with 8 bytes each, so
535 * the size in the TLV must match the nr_sets value */
536 i = get_unaligned_le16(tsfdesc);
537 tsfdesc += 2;
538 if (i / 8 != scanresp->nr_sets)
539 goto done;
540
541 for (i = 0; i < scanresp->nr_sets; i++) {
542 const u8 *bssid;
543 const u8 *ie;
544 int left;
545 int ielen;
546 int rssi;
547 u16 intvl;
548 u16 capa;
549 int chan_no = -1;
550 const u8 *ssid = NULL;
551 u8 ssid_len = 0;
552 DECLARE_SSID_BUF(ssid_buf);
553
554 int len = get_unaligned_le16(pos);
555 pos += 2;
556
557 /* BSSID */
558 bssid = pos;
559 pos += ETH_ALEN;
560 /* RSSI */
561 rssi = *pos++;
562 /* Packet time stamp */
563 pos += 8;
564 /* Beacon interval */
565 intvl = get_unaligned_le16(pos);
566 pos += 2;
567 /* Capabilities */
568 capa = get_unaligned_le16(pos);
569 pos += 2;
570
571 /* To find out the channel, we must parse the IEs */
572 ie = pos;
573 /* 6+1+8+2+2: size of BSSID, RSSI, time stamp, beacon
574 interval, capabilities */
575 ielen = left = len - (6 + 1 + 8 + 2 + 2);
576 while (left >= 2) {
577 u8 id, elen;
578 id = *pos++;
579 elen = *pos++;
580 left -= 2;
581 if (elen > left || elen == 0)
582 goto done;
583 if (id == WLAN_EID_DS_PARAMS)
584 chan_no = *pos;
585 if (id == WLAN_EID_SSID) {
586 ssid = pos;
587 ssid_len = elen;
588 }
589 left -= elen;
590 pos += elen;
591 }
592
593 /* No channel, no luck */
594 if (chan_no != -1) {
595 struct wiphy *wiphy = priv->wdev->wiphy;
596 int freq = ieee80211_channel_to_frequency(chan_no);
597 struct ieee80211_channel *channel =
598 ieee80211_get_channel(wiphy, freq);
599
600 lbs_deb_scan("scan: %pM, capa %04x, chan %2d, %s, "
601 "%d dBm\n",
602 bssid, capa, chan_no,
603 print_ssid(ssid_buf, ssid, ssid_len),
604 LBS_SCAN_RSSI_TO_MBM(rssi)/100);
605
606 if (channel ||
607 !(channel->flags & IEEE80211_CHAN_DISABLED))
608 cfg80211_inform_bss(wiphy, channel,
609 bssid, le64_to_cpu(*(__le64 *)tsfdesc),
610 capa, intvl, ie, ielen,
611 LBS_SCAN_RSSI_TO_MBM(rssi),
612 GFP_KERNEL);
613 }
614 tsfdesc += 8;
615 }
616 ret = 0;
617
618 done:
619 lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
620 return ret;
621}
622
623
624/*
625 * Our scan command contains a TLV, consting of a SSID TLV, a channel list
626 * TLV and a rates TLV. Determine the maximum size of them:
627 */
628#define LBS_SCAN_MAX_CMD_SIZE \
629 (sizeof(struct cmd_ds_802_11_scan) \
630 + LBS_MAX_SSID_TLV_SIZE \
631 + LBS_MAX_CHANNEL_LIST_TLV_SIZE \
632 + LBS_MAX_RATES_TLV_SIZE)
633
634/*
635 * Assumes priv->scan_req is initialized and valid
636 * Assumes priv->scan_channel is initialized
637 */
638static void lbs_scan_worker(struct work_struct *work)
639{
640 struct lbs_private *priv =
641 container_of(work, struct lbs_private, scan_work.work);
642 struct cmd_ds_802_11_scan *scan_cmd;
643 u8 *tlv; /* pointer into our current, growing TLV storage area */
644 int last_channel;
645 int running, carrier;
646
647 lbs_deb_enter(LBS_DEB_SCAN);
648
649 scan_cmd = kzalloc(LBS_SCAN_MAX_CMD_SIZE, GFP_KERNEL);
650 if (scan_cmd == NULL)
651 goto out_no_scan_cmd;
652
653 /* prepare fixed part of scan command */
654 scan_cmd->bsstype = CMD_BSS_TYPE_ANY;
655
656 /* stop network while we're away from our main channel */
657 running = !netif_queue_stopped(priv->dev);
658 carrier = netif_carrier_ok(priv->dev);
659 if (running)
660 netif_stop_queue(priv->dev);
661 if (carrier)
662 netif_carrier_off(priv->dev);
663
664 /* prepare fixed part of scan command */
665 tlv = scan_cmd->tlvbuffer;
666
667 /* add SSID TLV */
668 if (priv->scan_req->n_ssids)
669 tlv += lbs_add_ssid_tlv(tlv,
670 priv->scan_req->ssids[0].ssid,
671 priv->scan_req->ssids[0].ssid_len);
672
673 /* add channel TLVs */
674 last_channel = priv->scan_channel + LBS_SCAN_BEFORE_NAP;
675 if (last_channel > priv->scan_req->n_channels)
676 last_channel = priv->scan_req->n_channels;
677 tlv += lbs_add_channel_list_tlv(priv, tlv, last_channel,
678 priv->scan_req->n_ssids);
679
680 /* add rates TLV */
681 tlv += lbs_add_supported_rates_tlv(tlv);
682
683 if (priv->scan_channel < priv->scan_req->n_channels) {
684 cancel_delayed_work(&priv->scan_work);
685 queue_delayed_work(priv->work_thread, &priv->scan_work,
686 msecs_to_jiffies(300));
687 }
688
689 /* This is the final data we are about to send */
690 scan_cmd->hdr.size = cpu_to_le16(tlv - (u8 *)scan_cmd);
691 lbs_deb_hex(LBS_DEB_SCAN, "SCAN_CMD", (void *)scan_cmd,
692 sizeof(*scan_cmd));
693 lbs_deb_hex(LBS_DEB_SCAN, "SCAN_TLV", scan_cmd->tlvbuffer,
694 tlv - scan_cmd->tlvbuffer);
695
696 __lbs_cmd(priv, CMD_802_11_SCAN, &scan_cmd->hdr,
697 le16_to_cpu(scan_cmd->hdr.size),
698 lbs_ret_scan, 0);
699
700 if (priv->scan_channel >= priv->scan_req->n_channels) {
701 /* Mark scan done */
702 cfg80211_scan_done(priv->scan_req, false);
703 priv->scan_req = NULL;
704 }
705
706 /* Restart network */
707 if (carrier)
708 netif_carrier_on(priv->dev);
709 if (running && !priv->tx_pending_len)
710 netif_wake_queue(priv->dev);
711
712 kfree(scan_cmd);
713
714 out_no_scan_cmd:
715 lbs_deb_leave(LBS_DEB_SCAN);
716}
717
718
719static int lbs_cfg_scan(struct wiphy *wiphy,
720 struct net_device *dev,
721 struct cfg80211_scan_request *request)
722{
723 struct lbs_private *priv = wiphy_priv(wiphy);
724 int ret = 0;
725
726 lbs_deb_enter(LBS_DEB_CFG80211);
727
728 if (priv->scan_req || delayed_work_pending(&priv->scan_work)) {
729 /* old scan request not yet processed */
730 ret = -EAGAIN;
731 goto out;
732 }
733
734 lbs_deb_scan("scan: ssids %d, channels %d, ie_len %zd\n",
735 request->n_ssids, request->n_channels, request->ie_len);
736
737 priv->scan_channel = 0;
738 queue_delayed_work(priv->work_thread, &priv->scan_work,
739 msecs_to_jiffies(50));
740
741 if (priv->surpriseremoved)
742 ret = -EIO;
743
744 priv->scan_req = request;
745
746 out:
747 lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
748 return ret;
749}
750
751
752
753
754/***************************************************************************
755 * Events
756 */
757
758void lbs_send_disconnect_notification(struct lbs_private *priv)
759{
760 lbs_deb_enter(LBS_DEB_CFG80211);
761
762 cfg80211_disconnected(priv->dev,
763 0,
764 NULL, 0,
765 GFP_KERNEL);
766
767 lbs_deb_leave(LBS_DEB_CFG80211);
768}
769
770void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event)
771{
772 lbs_deb_enter(LBS_DEB_CFG80211);
773
774 cfg80211_michael_mic_failure(priv->dev,
775 priv->assoc_bss,
776 event == MACREG_INT_CODE_MIC_ERR_MULTICAST ?
777 NL80211_KEYTYPE_GROUP :
778 NL80211_KEYTYPE_PAIRWISE,
779 -1,
780 NULL,
781 GFP_KERNEL);
782
783 lbs_deb_leave(LBS_DEB_CFG80211);
784}
785
786
787
788
789/***************************************************************************
790 * Connect/disconnect
791 */
792
793
794/*
795 * This removes all WEP keys
796 */
797static int lbs_remove_wep_keys(struct lbs_private *priv)
798{
799 struct cmd_ds_802_11_set_wep cmd;
800 int ret;
801
802 lbs_deb_enter(LBS_DEB_CFG80211);
803
804 memset(&cmd, 0, sizeof(cmd));
805 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
806 cmd.keyindex = cpu_to_le16(priv->wep_tx_key);
807 cmd.action = cpu_to_le16(CMD_ACT_REMOVE);
808
809 ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
810
811 lbs_deb_leave(LBS_DEB_CFG80211);
812 return ret;
813}
814
815/*
816 * Set WEP keys
817 */
818static int lbs_set_wep_keys(struct lbs_private *priv)
819{
820 struct cmd_ds_802_11_set_wep cmd;
821 int i;
822 int ret;
823
824 lbs_deb_enter(LBS_DEB_CFG80211);
825
826 /*
827 * command 13 00
828 * size 50 00
829 * sequence xx xx
830 * result 00 00
831 * action 02 00 ACT_ADD
832 * transmit key 00 00
833 * type for key 1 01 WEP40
834 * type for key 2 00
835 * type for key 3 00
836 * type for key 4 00
837 * key 1 39 39 39 39 39 00 00 00
838 * 00 00 00 00 00 00 00 00
839 * key 2 00 00 00 00 00 00 00 00
840 * 00 00 00 00 00 00 00 00
841 * key 3 00 00 00 00 00 00 00 00
842 * 00 00 00 00 00 00 00 00
843 * key 4 00 00 00 00 00 00 00 00
844 */
845 if (priv->wep_key_len[0] || priv->wep_key_len[1] ||
846 priv->wep_key_len[2] || priv->wep_key_len[3]) {
847 /* Only set wep keys if we have at least one of them */
848 memset(&cmd, 0, sizeof(cmd));
849 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
850 cmd.keyindex = cpu_to_le16(priv->wep_tx_key);
851 cmd.action = cpu_to_le16(CMD_ACT_ADD);
852
853 for (i = 0; i < 4; i++) {
854 switch (priv->wep_key_len[i]) {
855 case WLAN_KEY_LEN_WEP40:
856 cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
857 break;
858 case WLAN_KEY_LEN_WEP104:
859 cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
860 break;
861 default:
862 cmd.keytype[i] = 0;
863 break;
864 }
865 memcpy(cmd.keymaterial[i], priv->wep_key[i],
866 priv->wep_key_len[i]);
867 }
868
869 ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
870 } else {
871 /* Otherwise remove all wep keys */
872 ret = lbs_remove_wep_keys(priv);
873 }
874
875 lbs_deb_leave(LBS_DEB_CFG80211);
876 return ret;
877}
878
879
880/*
881 * Enable/Disable RSN status
882 */
883static int lbs_enable_rsn(struct lbs_private *priv, int enable)
884{
885 struct cmd_ds_802_11_enable_rsn cmd;
886 int ret;
887
888 lbs_deb_enter_args(LBS_DEB_CFG80211, "%d", enable);
889
890 /*
891 * cmd 2f 00
892 * size 0c 00
893 * sequence xx xx
894 * result 00 00
895 * action 01 00 ACT_SET
896 * enable 01 00
897 */
898 memset(&cmd, 0, sizeof(cmd));
899 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
900 cmd.action = cpu_to_le16(CMD_ACT_SET);
901 cmd.enable = cpu_to_le16(enable);
902
903 ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
904
905 lbs_deb_leave(LBS_DEB_CFG80211);
906 return ret;
907}
908
909
910/*
911 * Set WPA/WPA key material
912 */
913
914/* like "struct cmd_ds_802_11_key_material", but with cmd_header. Once we
915 * get rid of WEXT, this should go into host.h */
916
917struct cmd_key_material {
918 struct cmd_header hdr;
919
920 __le16 action;
921 struct MrvlIEtype_keyParamSet param;
beabe914 922} __packed;
e86dc1ca
KD		 923
924static int lbs_set_key_material(struct lbs_private *priv,
925 int key_type,
926 int key_info,
927 u8 *key, u16 key_len)
928{
929 struct cmd_key_material cmd;
930 int ret;
931
932 lbs_deb_enter(LBS_DEB_CFG80211);
933
934 /*
935 * Example for WPA (TKIP):
936 *
937 * cmd 5e 00
938 * size 34 00
939 * sequence xx xx
940 * result 00 00
941 * action 01 00
942 * TLV type 00 01 key param
943 * length 00 26
944 * key type 01 00 TKIP
945 * key info 06 00 UNICAST | ENABLED
946 * key len 20 00
947 * key 32 bytes
948 */
949 memset(&cmd, 0, sizeof(cmd));
950 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
951 cmd.action = cpu_to_le16(CMD_ACT_SET);
952 cmd.param.type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
953 cmd.param.length = cpu_to_le16(sizeof(cmd.param) - 4);
954 cmd.param.keytypeid = cpu_to_le16(key_type);
955 cmd.param.keyinfo = cpu_to_le16(key_info);
956 cmd.param.keylen = cpu_to_le16(key_len);
957 if (key && key_len)
958 memcpy(cmd.param.key, key, key_len);
959
960 ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
961
962 lbs_deb_leave(LBS_DEB_CFG80211);
963 return ret;
964}
965
966
967/*
968 * Sets the auth type (open, shared, etc) in the firmware. That
969 * we use CMD_802_11_AUTHENTICATE is misleading, this firmware
970 * command doesn't send an authentication frame at all, it just
971 * stores the auth_type.
972 */
973static int lbs_set_authtype(struct lbs_private *priv,
974 struct cfg80211_connect_params *sme)
975{
976 struct cmd_ds_802_11_authenticate cmd;
977 int ret;
978
979 lbs_deb_enter_args(LBS_DEB_CFG80211, "%d", sme->auth_type);
980
981 /*
982 * cmd 11 00
983 * size 19 00
984 * sequence xx xx
985 * result 00 00
986 * BSS id 00 13 19 80 da 30
987 * auth type 00
988 * reserved 00 00 00 00 00 00 00 00 00 00
989 */
990 memset(&cmd, 0, sizeof(cmd));
991 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
992 if (sme->bssid)
993 memcpy(cmd.bssid, sme->bssid, ETH_ALEN);
994 /* convert auth_type */
995 ret = lbs_auth_to_authtype(sme->auth_type);
996 if (ret < 0)
997 goto done;
998
999 cmd.authtype = ret;
1000 ret = lbs_cmd_with_response(priv, CMD_802_11_AUTHENTICATE, &cmd);
1001
1002 done:
1003 lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
1004 return ret;
1005}
1006
1007
1008/*
1009 * Create association request
1010 */
1011#define LBS_ASSOC_MAX_CMD_SIZE \
1012 (sizeof(struct cmd_ds_802_11_associate) \
1013 - 512 /* cmd_ds_802_11_associate.iebuf */ \
1014 + LBS_MAX_SSID_TLV_SIZE \
1015 + LBS_MAX_CHANNEL_TLV_SIZE \
1016 + LBS_MAX_CF_PARAM_TLV_SIZE \
1017 + LBS_MAX_AUTH_TYPE_TLV_SIZE \
1018 + LBS_MAX_WPA_TLV_SIZE)
1019
1020static int lbs_associate(struct lbs_private *priv,
1021 struct cfg80211_bss *bss,
1022 struct cfg80211_connect_params *sme)
1023{
1024 struct cmd_ds_802_11_associate_response *resp;
1025 struct cmd_ds_802_11_associate *cmd = kzalloc(LBS_ASSOC_MAX_CMD_SIZE,
1026 GFP_KERNEL);
1027 const u8 *ssid_eid;
1028 size_t len, resp_ie_len;
1029 int status;
1030 int ret;
1031 u8 *pos = &(cmd->iebuf[0]);
19757539 1032 u8 *tmp;
e86dc1ca
KD		 1033
1034 lbs_deb_enter(LBS_DEB_CFG80211);
1035
1036 if (!cmd) {
1037 ret = -ENOMEM;
1038 goto done;
1039 }
1040
1041 /*
1042 * cmd 50 00
1043 * length 34 00
1044 * sequence xx xx
1045 * result 00 00
1046 * BSS id 00 13 19 80 da 30
1047 * capabilities 11 00
1048 * listen interval 0a 00
1049 * beacon interval 00 00
1050 * DTIM period 00
1051 * TLVs xx (up to 512 bytes)
1052 */
1053 cmd->hdr.command = cpu_to_le16(CMD_802_11_ASSOCIATE);
1054
1055 /* Fill in static fields */
1056 memcpy(cmd->bssid, bss->bssid, ETH_ALEN);
1057 cmd->listeninterval = cpu_to_le16(MRVDRV_DEFAULT_LISTEN_INTERVAL);
1058 cmd->capability = cpu_to_le16(bss->capability);
1059
1060 /* add SSID TLV */
1061 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
1062 if (ssid_eid)
1063 pos += lbs_add_ssid_tlv(pos, ssid_eid + 2, ssid_eid[1]);
1064 else
1065 lbs_deb_assoc("no SSID\n");
1066
1067 /* add DS param TLV */
1068 if (bss->channel)
1069 pos += lbs_add_channel_tlv(pos, bss->channel->hw_value);
1070 else
1071 lbs_deb_assoc("no channel\n");
1072
1073 /* add (empty) CF param TLV */
1074 pos += lbs_add_cf_param_tlv(pos);
1075
1076 /* add rates TLV */
19757539 1077 tmp = pos + 4; /* skip Marvell IE header */
e86dc1ca 1078 pos += lbs_add_common_rates_tlv(pos, bss);
19757539 1079 lbs_deb_hex(LBS_DEB_ASSOC, "Common Rates", tmp, pos - tmp);
e86dc1ca
KD		 1080
1081 /* add auth type TLV */
1082 if (priv->fwrelease >= 0x09000000)
1083 pos += lbs_add_auth_type_tlv(pos, sme->auth_type);
1084
1085 /* add WPA/WPA2 TLV */
1086 if (sme->ie && sme->ie_len)
1087 pos += lbs_add_wpa_tlv(pos, sme->ie, sme->ie_len);
1088
1089 len = (sizeof(*cmd) - sizeof(cmd->iebuf)) +
1090 (u16)(pos - (u8 *) &cmd->iebuf);
1091 cmd->hdr.size = cpu_to_le16(len);
1092
1093 /* store for later use */
1094 memcpy(priv->assoc_bss, bss->bssid, ETH_ALEN);
1095
1096 ret = lbs_cmd_with_response(priv, CMD_802_11_ASSOCIATE, cmd);
1097 if (ret)
1098 goto done;
1099
1100
1101 /* generate connect message to cfg80211 */
1102
1103 resp = (void *) cmd; /* recast for easier field access */
1104 status = le16_to_cpu(resp->statuscode);
1105
1106 /* Convert statis code of old firmware */
1107 if (priv->fwrelease < 0x09000000)
1108 switch (status) {
1109 case 0:
1110 break;
1111 case 1:
1112 lbs_deb_assoc("invalid association parameters\n");
1113 status = WLAN_STATUS_CAPS_UNSUPPORTED;
1114 break;
1115 case 2:
1116 lbs_deb_assoc("timer expired while waiting for AP\n");
1117 status = WLAN_STATUS_AUTH_TIMEOUT;
1118 break;
1119 case 3:
1120 lbs_deb_assoc("association refused by AP\n");
1121 status = WLAN_STATUS_ASSOC_DENIED_UNSPEC;
1122 break;
1123 case 4:
1124 lbs_deb_assoc("authentication refused by AP\n");
1125 status = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
1126 break;
1127 default:
1128 lbs_deb_assoc("association failure %d\n", status);
1129 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1130 }
1131
1132 lbs_deb_assoc("status %d, capability 0x%04x\n", status,
1133 le16_to_cpu(resp->capability));
1134
1135 resp_ie_len = le16_to_cpu(resp->hdr.size)
1136 - sizeof(resp->hdr)
1137 - 6;
1138 cfg80211_connect_result(priv->dev,
1139 priv->assoc_bss,
1140 sme->ie, sme->ie_len,
1141 resp->iebuf, resp_ie_len,
1142 status,
1143 GFP_KERNEL);
1144
1145 if (status == 0) {
1146 /* TODO: get rid of priv->connect_status */
1147 priv->connect_status = LBS_CONNECTED;
1148 netif_carrier_on(priv->dev);
1149 if (!priv->tx_pending_len)
1150 netif_tx_wake_all_queues(priv->dev);
1151 }
1152
1153
1154done:
1155 lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
1156 return ret;
1157}
1158
1159
1160
1161static int lbs_cfg_connect(struct wiphy *wiphy, struct net_device *dev,
1162 struct cfg80211_connect_params *sme)
1163{
1164 struct lbs_private *priv = wiphy_priv(wiphy);
1165 struct cfg80211_bss *bss = NULL;
1166 int ret = 0;
1167 u8 preamble = RADIO_PREAMBLE_SHORT;
1168
1169 lbs_deb_enter(LBS_DEB_CFG80211);
1170
1171 if (sme->bssid) {
1172 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
1173 sme->ssid, sme->ssid_len,
1174 WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
1175 } else {
1176 /*
1177 * Here we have an impedance mismatch. The firmware command
1178 * CMD_802_11_ASSOCIATE always needs a BSSID, it cannot
1179 * connect otherwise. However, for the connect-API of
1180 * cfg80211 the bssid is purely optional. We don't get one,
1181 * except the user specifies one on the "iw" command line.
1182 *
1183 * If we don't got one, we could initiate a scan and look
1184 * for the best matching cfg80211_bss entry.
1185 *
1186 * Or, better yet, net/wireless/sme.c get's rewritten into
1187 * something more generally useful.
1188 */
1189 lbs_pr_err("TODO: no BSS specified\n");
1190 ret = -ENOTSUPP;
1191 goto done;
1192 }
1193
1194
1195 if (!bss) {
1196 lbs_pr_err("assicate: bss %pM not in scan results\n",
1197 sme->bssid);
1198 ret = -ENOENT;
1199 goto done;
1200 }
1201 lbs_deb_assoc("trying %pM", sme->bssid);
1202 lbs_deb_assoc("cipher 0x%x, key index %d, key len %d\n",
1203 sme->crypto.cipher_group,
1204 sme->key_idx, sme->key_len);
1205
1206 /* As this is a new connection, clear locally stored WEP keys */
1207 priv->wep_tx_key = 0;
1208 memset(priv->wep_key, 0, sizeof(priv->wep_key));
1209 memset(priv->wep_key_len, 0, sizeof(priv->wep_key_len));
1210
1211 /* set/remove WEP keys */
1212 switch (sme->crypto.cipher_group) {
1213 case WLAN_CIPHER_SUITE_WEP40:
1214 case WLAN_CIPHER_SUITE_WEP104:
1215 /* Store provided WEP keys in priv-> */
1216 priv->wep_tx_key = sme->key_idx;
1217 priv->wep_key_len[sme->key_idx] = sme->key_len;
1218 memcpy(priv->wep_key[sme->key_idx], sme->key, sme->key_len);
1219 /* Set WEP keys and WEP mode */
1220 lbs_set_wep_keys(priv);
1221 priv->mac_control |= CMD_ACT_MAC_WEP_ENABLE;
1222 lbs_set_mac_control(priv);
1223 /* No RSN mode for WEP */
1224 lbs_enable_rsn(priv, 0);
1225 break;
1226 case 0: /* there's no WLAN_CIPHER_SUITE_NONE definition */
1227 /*
1228 * If we don't have no WEP, no WPA and no WPA2,
1229 * we remove all keys like in the WPA/WPA2 setup,
1230 * we just don't set RSN.
1231 *
1232 * Therefore: fall-throught
1233 */
1234 case WLAN_CIPHER_SUITE_TKIP:
1235 case WLAN_CIPHER_SUITE_CCMP:
1236 /* Remove WEP keys and WEP mode */
1237 lbs_remove_wep_keys(priv);
1238 priv->mac_control &= ~CMD_ACT_MAC_WEP_ENABLE;
1239 lbs_set_mac_control(priv);
1240
1241 /* clear the WPA/WPA2 keys */
1242 lbs_set_key_material(priv,
1243 KEY_TYPE_ID_WEP, /* doesn't matter */
1244 KEY_INFO_WPA_UNICAST,
1245 NULL, 0);
1246 lbs_set_key_material(priv,
1247 KEY_TYPE_ID_WEP, /* doesn't matter */
1248 KEY_INFO_WPA_MCAST,
1249 NULL, 0);
1250 /* RSN mode for WPA/WPA2 */
1251 lbs_enable_rsn(priv, sme->crypto.cipher_group != 0);
1252 break;
1253 default:
1254 lbs_pr_err("unsupported cipher group 0x%x\n",
1255 sme->crypto.cipher_group);
1256 ret = -ENOTSUPP;
1257 goto done;
1258 }
1259
1260 lbs_set_authtype(priv, sme);
1261 lbs_set_radio(priv, preamble, 1);
1262
1263 /* Do the actual association */
1264 lbs_associate(priv, bss, sme);
1265
1266 done:
1267 if (bss)
1268 cfg80211_put_bss(bss);
1269 lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
1270 return ret;
1271}
1272
e86dc1ca
KD		 1273static int lbs_cfg_disconnect(struct wiphy *wiphy, struct net_device *dev,
1274 u16 reason_code)
1275{
1276 struct lbs_private *priv = wiphy_priv(wiphy);
1277 struct cmd_ds_802_11_deauthenticate cmd;
ff9fc791 1278
e86dc1ca 1279 lbs_deb_enter_args(LBS_DEB_CFG80211, "reason_code %d", reason_code);
ff9fc791 1280
e86dc1ca
KD		 1281 /* store for lbs_cfg_ret_disconnect() */
1282 priv->disassoc_reason = reason_code;
1283
1284 memset(&cmd, 0, sizeof(cmd));
1285 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1286 /* Mildly ugly to use a locally store my own BSSID ... */
1287 memcpy(cmd.macaddr, &priv->assoc_bss, ETH_ALEN);
1288 cmd.reasoncode = cpu_to_le16(reason_code);
1289
e4fe4eaf
KD		 1290 if (lbs_cmd_with_response(priv, CMD_802_11_DEAUTHENTICATE, &cmd))
1291 return -EFAULT;
1292
1293 cfg80211_disconnected(priv->dev,
1294 priv->disassoc_reason,
1295 NULL, 0,
1296 GFP_KERNEL);
1297 priv->connect_status = LBS_DISCONNECTED;
e86dc1ca
KD		 1298
1299 return 0;
1300}
1301
1302
1303static int lbs_cfg_set_default_key(struct wiphy *wiphy,
1304 struct net_device *netdev,
1305 u8 key_index)
1306{
1307 struct lbs_private *priv = wiphy_priv(wiphy);
1308
1309 lbs_deb_enter(LBS_DEB_CFG80211);
1310
1311 if (key_index != priv->wep_tx_key) {
1312 lbs_deb_assoc("set_default_key: to %d\n", key_index);
1313 priv->wep_tx_key = key_index;
1314 lbs_set_wep_keys(priv);
1315 }
1316
1317 return 0;
1318}
1319
1320
1321static int lbs_cfg_add_key(struct wiphy *wiphy, struct net_device *netdev,
1322 u8 idx, const u8 *mac_addr,
1323 struct key_params *params)
1324{
1325 struct lbs_private *priv = wiphy_priv(wiphy);
1326 u16 key_info;
1327 u16 key_type;
1328 int ret = 0;
1329
1330 lbs_deb_enter(LBS_DEB_CFG80211);
1331
1332 lbs_deb_assoc("add_key: cipher 0x%x, mac_addr %pM\n",
1333 params->cipher, mac_addr);
1334 lbs_deb_assoc("add_key: key index %d, key len %d\n",
1335 idx, params->key_len);
1336 if (params->key_len)
1337 lbs_deb_hex(LBS_DEB_CFG80211, "KEY",
1338 params->key, params->key_len);
1339
1340 lbs_deb_assoc("add_key: seq len %d\n", params->seq_len);
1341 if (params->seq_len)
1342 lbs_deb_hex(LBS_DEB_CFG80211, "SEQ",
1343 params->seq, params->seq_len);
1344
1345 switch (params->cipher) {
1346 case WLAN_CIPHER_SUITE_WEP40:
1347 case WLAN_CIPHER_SUITE_WEP104:
1348 /* actually compare if something has changed ... */
1349 if ((priv->wep_key_len[idx] != params->key_len) ||
1350 memcmp(priv->wep_key[idx],
1351 params->key, params->key_len) != 0) {
1352 priv->wep_key_len[idx] = params->key_len;
1353 memcpy(priv->wep_key[idx],
1354 params->key, params->key_len);
1355 lbs_set_wep_keys(priv);
1356 }
1357 break;
1358 case WLAN_CIPHER_SUITE_TKIP:
1359 case WLAN_CIPHER_SUITE_CCMP:
1360 key_info = KEY_INFO_WPA_ENABLED | ((idx == 0)
1361 ? KEY_INFO_WPA_UNICAST
1362 : KEY_INFO_WPA_MCAST);
1363 key_type = (params->cipher == WLAN_CIPHER_SUITE_TKIP)
1364 ? KEY_TYPE_ID_TKIP
1365 : KEY_TYPE_ID_AES;
1366 lbs_set_key_material(priv,
1367 key_type,
1368 key_info,
1369 params->key, params->key_len);
1370 break;
1371 default:
1372 lbs_pr_err("unhandled cipher 0x%x\n", params->cipher);
1373 ret = -ENOTSUPP;
1374 break;
1375 }
1376
1377 return ret;
1378}
1379
1380
1381static int lbs_cfg_del_key(struct wiphy *wiphy, struct net_device *netdev,
1382 u8 key_index, const u8 *mac_addr)
1383{
1384
1385 lbs_deb_enter(LBS_DEB_CFG80211);
1386
1387 lbs_deb_assoc("del_key: key_idx %d, mac_addr %pM\n",
1388 key_index, mac_addr);
1389
1390#ifdef TODO
1391 struct lbs_private *priv = wiphy_priv(wiphy);
1392 /*
1393 * I think can keep this a NO-OP, because:
1394
1395 * - we clear all keys whenever we do lbs_cfg_connect() anyway
1396 * - neither "iw" nor "wpa_supplicant" won't call this during
1397 * an ongoing connection
1398 * - TODO: but I have to check if this is still true when
1399 * I set the AP to periodic re-keying
1400 * - we've not kzallec() something when we've added a key at
1401 * lbs_cfg_connect() or lbs_cfg_add_key().
1402 *
1403 * This causes lbs_cfg_del_key() only called at disconnect time,
1404 * where we'd just waste time deleting a key that is not going
1405 * to be used anyway.
1406 */
1407 if (key_index < 3 && priv->wep_key_len[key_index]) {
1408 priv->wep_key_len[key_index] = 0;
1409 lbs_set_wep_keys(priv);
1410 }
1411#endif
1412
1413 return 0;
1414}
1415
1416
e86dc1ca
KD		 1417/***************************************************************************
1418 * Get station
1419 */
1420
e86dc1ca
KD		 1421static int lbs_cfg_get_station(struct wiphy *wiphy, struct net_device *dev,
1422 u8 *mac, struct station_info *sinfo)
1423{
1424 struct lbs_private *priv = wiphy_priv(wiphy);
1425 s8 signal, noise;
1426 int ret;
1427 size_t i;
1428
1429 lbs_deb_enter(LBS_DEB_CFG80211);
1430
1431 sinfo->filled |= STATION_INFO_TX_BYTES |
1432 STATION_INFO_TX_PACKETS |
1433 STATION_INFO_RX_BYTES |
1434 STATION_INFO_RX_PACKETS;
1435 sinfo->tx_bytes = priv->dev->stats.tx_bytes;
1436 sinfo->tx_packets = priv->dev->stats.tx_packets;
1437 sinfo->rx_bytes = priv->dev->stats.rx_bytes;
1438 sinfo->rx_packets = priv->dev->stats.rx_packets;
1439
1440 /* Get current RSSI */
9fb7663d 1441 ret = lbs_get_rssi(priv, &signal, &noise);
e86dc1ca
KD		 1442 if (ret == 0) {
1443 sinfo->signal = signal;
1444 sinfo->filled |= STATION_INFO_SIGNAL;
1445 }
1446
1447 /* Convert priv->cur_rate from hw_value to NL80211 value */
1448 for (i = 0; i < ARRAY_SIZE(lbs_rates); i++) {
1449 if (priv->cur_rate == lbs_rates[i].hw_value) {
1450 sinfo->txrate.legacy = lbs_rates[i].bitrate;
1451 sinfo->filled |= STATION_INFO_TX_BITRATE;
1452 break;
1453 }
1454 }
1455
1456 return 0;
1457}
1458
1459
1460
1461
1462/***************************************************************************
1463 * "Site survey", here just current channel and noise level
1464 */
1465
1466static int lbs_get_survey(struct wiphy *wiphy, struct net_device *dev,
1467 int idx, struct survey_info *survey)
1468{
1469 struct lbs_private *priv = wiphy_priv(wiphy);
1470 s8 signal, noise;
1471 int ret;
1472
1473 if (idx != 0)
1474 ret = -ENOENT;
1475
1476 lbs_deb_enter(LBS_DEB_CFG80211);
1477
1478 survey->channel = ieee80211_get_channel(wiphy,
1479 ieee80211_channel_to_frequency(priv->channel));
1480
9fb7663d 1481 ret = lbs_get_rssi(priv, &signal, &noise);
e86dc1ca
KD		 1482 if (ret == 0) {
1483 survey->filled = SURVEY_INFO_NOISE_DBM;
1484 survey->noise = noise;
1485 }
1486
1487 lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
1488 return ret;
1489}
1490
1491
1492
1493
1494/***************************************************************************
1495 * Change interface
1496 */
1497
1498static int lbs_change_intf(struct wiphy *wiphy, struct net_device *dev,
1499 enum nl80211_iftype type, u32 *flags,
1500 struct vif_params *params)
1501{
1502 struct lbs_private *priv = wiphy_priv(wiphy);
1503 int ret = 0;
1504
1505 lbs_deb_enter(LBS_DEB_CFG80211);
1506
1507 switch (type) {
1508 case NL80211_IFTYPE_MONITOR:
a45b6f4f 1509 ret = lbs_set_monitor_mode(priv, 1);
e86dc1ca
KD		 1510 break;
1511 case NL80211_IFTYPE_STATION:
1512 if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR)
a45b6f4f 1513 ret = lbs_set_monitor_mode(priv, 0);
e86dc1ca
KD		 1514 if (!ret)
1515 ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_BSS_TYPE, 1);
1516 break;
1517 case NL80211_IFTYPE_ADHOC:
1518 if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR)
a45b6f4f 1519 ret = lbs_set_monitor_mode(priv, 0);
e86dc1ca
KD		 1520 if (!ret)
1521 ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_BSS_TYPE, 2);
1522 break;
1523 default:
1524 ret = -ENOTSUPP;
1525 }
1526
1527 if (!ret)
1528 priv->wdev->iftype = type;
1529
1530 lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
1531 return ret;
1532}
1533
1534
1535
1536/***************************************************************************
1537 * IBSS (Ad-Hoc)
1538 */
1539
1540/* The firmware needs the following bits masked out of the beacon-derived
1541 * capability field when associating/joining to a BSS:
1542 * 9 (QoS), 11 (APSD), 12 (unused), 14 (unused), 15 (unused)
1543 */
1544#define CAPINFO_MASK (~(0xda00))
1545
1546
1547static void lbs_join_post(struct lbs_private *priv,
1548 struct cfg80211_ibss_params *params,
1549 u8 *bssid, u16 capability)
1550{
1551 u8 fake_ie[2 + IEEE80211_MAX_SSID_LEN + /* ssid */
1552 2 + 4 + /* basic rates */
1553 2 + 1 + /* DS parameter */
1554 2 + 2 + /* atim */
1555 2 + 8]; /* extended rates */
1556 u8 *fake = fake_ie;
1557
1558 lbs_deb_enter(LBS_DEB_CFG80211);
1559
1560 /*
1561 * For cfg80211_inform_bss, we'll need a fake IE, as we can't get
1562 * the real IE from the firmware. So we fabricate a fake IE based on
1563 * what the firmware actually sends (sniffed with wireshark).
1564 */
1565 /* Fake SSID IE */
1566 *fake++ = WLAN_EID_SSID;
1567 *fake++ = params->ssid_len;
1568 memcpy(fake, params->ssid, params->ssid_len);
1569 fake += params->ssid_len;
1570 /* Fake supported basic rates IE */
1571 *fake++ = WLAN_EID_SUPP_RATES;
1572 *fake++ = 4;
1573 *fake++ = 0x82;
1574 *fake++ = 0x84;
1575 *fake++ = 0x8b;
1576 *fake++ = 0x96;
1577 /* Fake DS channel IE */
1578 *fake++ = WLAN_EID_DS_PARAMS;
1579 *fake++ = 1;
1580 *fake++ = params->channel->hw_value;
1581 /* Fake IBSS params IE */
1582 *fake++ = WLAN_EID_IBSS_PARAMS;
1583 *fake++ = 2;
1584 *fake++ = 0; /* ATIM=0 */
1585 *fake++ = 0;
1586 /* Fake extended rates IE, TODO: don't add this for 802.11b only,
1587 * but I don't know how this could be checked */
1588 *fake++ = WLAN_EID_EXT_SUPP_RATES;
1589 *fake++ = 8;
1590 *fake++ = 0x0c;
1591 *fake++ = 0x12;
1592 *fake++ = 0x18;
1593 *fake++ = 0x24;
1594 *fake++ = 0x30;
1595 *fake++ = 0x48;
1596 *fake++ = 0x60;
1597 *fake++ = 0x6c;
1598 lbs_deb_hex(LBS_DEB_CFG80211, "IE", fake_ie, fake - fake_ie);
1599
1600 cfg80211_inform_bss(priv->wdev->wiphy,
1601 params->channel,
1602 bssid,
1603 0,
1604 capability,
1605 params->beacon_interval,
1606 fake_ie, fake - fake_ie,
1607 0, GFP_KERNEL);
e4fe4eaf
KD		 1608
1609 memcpy(priv->wdev->ssid, params->ssid, params->ssid_len);
1610 priv->wdev->ssid_len = params->ssid_len;
1611
e86dc1ca
KD		 1612 cfg80211_ibss_joined(priv->dev, bssid, GFP_KERNEL);
1613
1614 /* TODO: consider doing this at MACREG_INT_CODE_LINK_SENSED time */
1615 priv->connect_status = LBS_CONNECTED;
1616 netif_carrier_on(priv->dev);
1617 if (!priv->tx_pending_len)
1618 netif_wake_queue(priv->dev);
1619
1620 lbs_deb_leave(LBS_DEB_CFG80211);
1621}
1622
1623static int lbs_ibss_join_existing(struct lbs_private *priv,
1624 struct cfg80211_ibss_params *params,
1625 struct cfg80211_bss *bss)
1626{
1627 const u8 *rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
1628 struct cmd_ds_802_11_ad_hoc_join cmd;
1629 u8 preamble = RADIO_PREAMBLE_SHORT;
1630 int ret = 0;
1631
1632 lbs_deb_enter(LBS_DEB_CFG80211);
1633
1634 /* TODO: set preamble based on scan result */
1635 ret = lbs_set_radio(priv, preamble, 1);
1636 if (ret)
1637 goto out;
1638
1639 /*
1640 * Example CMD_802_11_AD_HOC_JOIN command:
1641 *
1642 * command 2c 00 CMD_802_11_AD_HOC_JOIN
1643 * size 65 00
1644 * sequence xx xx
1645 * result 00 00
1646 * bssid 02 27 27 97 2f 96
1647 * ssid 49 42 53 53 00 00 00 00
1648 * 00 00 00 00 00 00 00 00
1649 * 00 00 00 00 00 00 00 00
1650 * 00 00 00 00 00 00 00 00
1651 * type 02 CMD_BSS_TYPE_IBSS
1652 * beacon period 64 00
1653 * dtim period 00
1654 * timestamp 00 00 00 00 00 00 00 00
1655 * localtime 00 00 00 00 00 00 00 00
1656 * IE DS 03
1657 * IE DS len 01
1658 * IE DS channel 01
1659 * reserveed 00 00 00 00
1660 * IE IBSS 06
1661 * IE IBSS len 02
1662 * IE IBSS atim 00 00
1663 * reserved 00 00 00 00
1664 * capability 02 00
1665 * rates 82 84 8b 96 0c 12 18 24 30 48 60 6c 00
1666 * fail timeout ff 00
1667 * probe delay 00 00
1668 */
1669 memset(&cmd, 0, sizeof(cmd));
1670 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1671
1672 memcpy(cmd.bss.bssid, bss->bssid, ETH_ALEN);
1673 memcpy(cmd.bss.ssid, params->ssid, params->ssid_len);
1674 cmd.bss.type = CMD_BSS_TYPE_IBSS;
1675 cmd.bss.beaconperiod = cpu_to_le16(params->beacon_interval);
1676 cmd.bss.ds.header.id = WLAN_EID_DS_PARAMS;
1677 cmd.bss.ds.header.len = 1;
1678 cmd.bss.ds.channel = params->channel->hw_value;
1679 cmd.bss.ibss.header.id = WLAN_EID_IBSS_PARAMS;
1680 cmd.bss.ibss.header.len = 2;
1681 cmd.bss.ibss.atimwindow = 0;
1682 cmd.bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK);
1683
1684 /* set rates to the intersection of our rates and the rates in the
1685 bss */
1686 if (!rates_eid) {
1687 lbs_add_rates(cmd.bss.rates);
1688 } else {
1689 int hw, i;
1690 u8 rates_max = rates_eid[1];
1691 u8 *rates = cmd.bss.rates;
1692 for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
1693 u8 hw_rate = lbs_rates[hw].bitrate / 5;
1694 for (i = 0; i < rates_max; i++) {
1695 if (hw_rate == (rates_eid[i+2] & 0x7f)) {
1696 u8 rate = rates_eid[i+2];
1697 if (rate == 0x02 || rate == 0x04 ||
1698 rate == 0x0b || rate == 0x16)
1699 rate |= 0x80;
1700 *rates++ = rate;
1701 }
1702 }
1703 }
1704 }
1705
1706 /* Only v8 and below support setting this */
1707 if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8) {
1708 cmd.failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
1709 cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
1710 }
1711 ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_JOIN, &cmd);
1712 if (ret)
1713 goto out;
1714
1715 /*
1716 * This is a sample response to CMD_802_11_AD_HOC_JOIN:
1717 *
1718 * response 2c 80
1719 * size 09 00
1720 * sequence xx xx
1721 * result 00 00
1722 * reserved 00
1723 */
1724 lbs_join_post(priv, params, bss->bssid, bss->capability);
1725
1726 out:
1727 lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
1728 return ret;
1729}
1730
1731
1732
1733static int lbs_ibss_start_new(struct lbs_private *priv,
1734 struct cfg80211_ibss_params *params)
1735{
1736 struct cmd_ds_802_11_ad_hoc_start cmd;
1737 struct cmd_ds_802_11_ad_hoc_result *resp =
1738 (struct cmd_ds_802_11_ad_hoc_result *) &cmd;
1739 u8 preamble = RADIO_PREAMBLE_SHORT;
1740 int ret = 0;
1741 u16 capability;
1742
1743 lbs_deb_enter(LBS_DEB_CFG80211);
1744
1745 ret = lbs_set_radio(priv, preamble, 1);
1746 if (ret)
1747 goto out;
1748
1749 /*
1750 * Example CMD_802_11_AD_HOC_START command:
1751 *
1752 * command 2b 00 CMD_802_11_AD_HOC_START
1753 * size b1 00
1754 * sequence xx xx
1755 * result 00 00
1756 * ssid 54 45 53 54 00 00 00 00
1757 * 00 00 00 00 00 00 00 00
1758 * 00 00 00 00 00 00 00 00
1759 * 00 00 00 00 00 00 00 00
1760 * bss type 02
1761 * beacon period 64 00
1762 * dtim period 00
1763 * IE IBSS 06
1764 * IE IBSS len 02
1765 * IE IBSS atim 00 00
1766 * reserved 00 00 00 00
1767 * IE DS 03
1768 * IE DS len 01
1769 * IE DS channel 01
1770 * reserved 00 00 00 00
1771 * probe delay 00 00
1772 * capability 02 00
1773 * rates 82 84 8b 96 (basic rates with have bit 7 set)
1774 * 0c 12 18 24 30 48 60 6c
1775 * padding 100 bytes
1776 */
1777 memset(&cmd, 0, sizeof(cmd));
1778 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1779 memcpy(cmd.ssid, params->ssid, params->ssid_len);
1780 cmd.bsstype = CMD_BSS_TYPE_IBSS;
1781 cmd.beaconperiod = cpu_to_le16(params->beacon_interval);
1782 cmd.ibss.header.id = WLAN_EID_IBSS_PARAMS;
1783 cmd.ibss.header.len = 2;
1784 cmd.ibss.atimwindow = 0;
1785 cmd.ds.header.id = WLAN_EID_DS_PARAMS;
1786 cmd.ds.header.len = 1;
1787 cmd.ds.channel = params->channel->hw_value;
1788 /* Only v8 and below support setting probe delay */
1789 if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8)
1790 cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
1791 /* TODO: mix in WLAN_CAPABILITY_PRIVACY */
1792 capability = WLAN_CAPABILITY_IBSS;
1793 cmd.capability = cpu_to_le16(capability);
1794 lbs_add_rates(cmd.rates);
1795
1796
1797 ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_START, &cmd);
1798 if (ret)
1799 goto out;
1800
1801 /*
1802 * This is a sample response to CMD_802_11_AD_HOC_JOIN:
1803 *
1804 * response 2b 80
1805 * size 14 00
1806 * sequence xx xx
1807 * result 00 00
1808 * reserved 00
1809 * bssid 02 2b 7b 0f 86 0e
1810 */
1811 lbs_join_post(priv, params, resp->bssid, capability);
1812
1813 out:
1814 lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
1815 return ret;
1816}
1817
1818
1819static int lbs_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1820 struct cfg80211_ibss_params *params)
1821{
1822 struct lbs_private *priv = wiphy_priv(wiphy);
1823 int ret = 0;
1824 struct cfg80211_bss *bss;
1825 DECLARE_SSID_BUF(ssid_buf);
1826
1827 lbs_deb_enter(LBS_DEB_CFG80211);
1828
1829 if (!params->channel) {
1830 ret = -ENOTSUPP;
1831 goto out;
1832 }
1833
1834 ret = lbs_set_channel(priv, params->channel->hw_value);
1835 if (ret)
ff9fc791
HS		 1836 goto out;
1837
e86dc1ca
KD		 1838 /* Search if someone is beaconing. This assumes that the
1839 * bss list is populated already */
1840 bss = cfg80211_get_bss(wiphy, params->channel, params->bssid,
1841 params->ssid, params->ssid_len,
1842 WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS);
1843
1844 if (bss) {
1845 ret = lbs_ibss_join_existing(priv, params, bss);
1846 cfg80211_put_bss(bss);
1847 } else
1848 ret = lbs_ibss_start_new(priv, params);
1849
ff9fc791
HS		 1850
1851 out:
1852 lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
1853 return ret;
1854}
1855
1856
e86dc1ca
KD		 1857static int lbs_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1858{
1859 struct lbs_private *priv = wiphy_priv(wiphy);
1860 struct cmd_ds_802_11_ad_hoc_stop cmd;
1861 int ret = 0;
1862
1863 lbs_deb_enter(LBS_DEB_CFG80211);
1864
1865 memset(&cmd, 0, sizeof(cmd));
1866 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1867 ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_STOP, &cmd);
1868
1869 /* TODO: consider doing this at MACREG_INT_CODE_ADHOC_BCN_LOST time */
1870 lbs_mac_event_disconnected(priv);
1871
1872 lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
1873 return ret;
1874}
1875
ff9fc791
HS		 1876
1877
e86dc1ca
KD		 1878
1879/***************************************************************************
1880 * Initialization
1881 */
1882
ff9fc791
HS		 1883static struct cfg80211_ops lbs_cfg80211_ops = {
1884 .set_channel = lbs_cfg_set_channel,
e86dc1ca
KD		 1885 .scan = lbs_cfg_scan,
1886 .connect = lbs_cfg_connect,
1887 .disconnect = lbs_cfg_disconnect,
1888 .add_key = lbs_cfg_add_key,
1889 .del_key = lbs_cfg_del_key,
1890 .set_default_key = lbs_cfg_set_default_key,
1891 .get_station = lbs_cfg_get_station,
1892 .dump_survey = lbs_get_survey,
1893 .change_virtual_intf = lbs_change_intf,
1894 .join_ibss = lbs_join_ibss,
1895 .leave_ibss = lbs_leave_ibss,
ff9fc791
HS		 1896};
1897
1898
1899/*
1900 * At this time lbs_private *priv doesn't even exist, so we just allocate
1901 * memory and don't initialize the wiphy further. This is postponed until we
1902 * can talk to the firmware and happens at registration time in
1903 * lbs_cfg_wiphy_register().
1904 */
1905struct wireless_dev *lbs_cfg_alloc(struct device *dev)
1906{
1907 int ret = 0;
1908 struct wireless_dev *wdev;
1909
1910 lbs_deb_enter(LBS_DEB_CFG80211);
1911
1912 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
1913 if (!wdev) {
1914 dev_err(dev, "cannot allocate wireless device\n");
1915 return ERR_PTR(-ENOMEM);
1916 }
1917
1918 wdev->wiphy = wiphy_new(&lbs_cfg80211_ops, sizeof(struct lbs_private));
1919 if (!wdev->wiphy) {
1920 dev_err(dev, "cannot allocate wiphy\n");
1921 ret = -ENOMEM;
1922 goto err_wiphy_new;
1923 }
1924
1925 lbs_deb_leave(LBS_DEB_CFG80211);
1926 return wdev;
1927
1928 err_wiphy_new:
1929 kfree(wdev);
1930 lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
1931 return ERR_PTR(ret);
1932}
1933
1934
e86dc1ca
KD		 1935static void lbs_cfg_set_regulatory_hint(struct lbs_private *priv)
1936{
1937 struct region_code_mapping {
1938 const char *cn;
1939 int code;
1940 };
1941
1942 /* Section 5.17.2 */
1943 static struct region_code_mapping regmap[] = {
1944 {"US ", 0x10}, /* US FCC */
1945 {"CA ", 0x20}, /* Canada */
1946 {"EU ", 0x30}, /* ETSI */
1947 {"ES ", 0x31}, /* Spain */
1948 {"FR ", 0x32}, /* France */
1949 {"JP ", 0x40}, /* Japan */
1950 };
1951 size_t i;
1952
1953 lbs_deb_enter(LBS_DEB_CFG80211);
1954
1955 for (i = 0; i < ARRAY_SIZE(regmap); i++)
1956 if (regmap[i].code == priv->regioncode) {
1957 regulatory_hint(priv->wdev->wiphy, regmap[i].cn);
1958 break;
1959 }
1960
1961 lbs_deb_leave(LBS_DEB_CFG80211);
1962}
1963
1964
ff9fc791
HS		 1965/*
1966 * This function get's called after lbs_setup_firmware() determined the
1967 * firmware capabities. So we can setup the wiphy according to our
1968 * hardware/firmware.
1969 */
1970int lbs_cfg_register(struct lbs_private *priv)
1971{
1972 struct wireless_dev *wdev = priv->wdev;
1973 int ret;
1974
1975 lbs_deb_enter(LBS_DEB_CFG80211);
1976
1977 wdev->wiphy->max_scan_ssids = 1;
1978 wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1979
e86dc1ca
KD		 1980 wdev->wiphy->interface_modes =
1981 BIT(NL80211_IFTYPE_STATION) |
1982 BIT(NL80211_IFTYPE_ADHOC);
1983 if (lbs_rtap_supported(priv))
1984 wdev->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR);
ff9fc791 1985
ff9fc791
HS		 1986 wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &lbs_band_2ghz;
1987
1988 /*
1989 * We could check priv->fwcapinfo && FW_CAPINFO_WPA, but I have
1990 * never seen a firmware without WPA
1991 */
1992 wdev->wiphy->cipher_suites = cipher_suites;
1993 wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
1047d5ed 1994 wdev->wiphy->reg_notifier = lbs_reg_notifier;
ff9fc791
HS		 1995
1996 ret = wiphy_register(wdev->wiphy);
1997 if (ret < 0)
1998 lbs_pr_err("cannot register wiphy device\n");
1999
73714004
DM		 2000 priv->wiphy_registered = true;
2001
ff9fc791
HS		 2002 ret = register_netdev(priv->dev);
2003 if (ret)
2004 lbs_pr_err("cannot register network device\n");
2005
e86dc1ca
KD		 2006 INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker);
2007
2008 lbs_cfg_set_regulatory_hint(priv);
2009
ff9fc791
HS		 2010 lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
2011 return ret;
2012}
2013
1047d5ed
KD		 2014int lbs_reg_notifier(struct wiphy *wiphy,
2015 struct regulatory_request *request)
2016{
cc4b9d39
DW		 2017 struct lbs_private *priv = wiphy_priv(wiphy);
2018 int ret;
2019
1047d5ed
KD		 2020 lbs_deb_enter_args(LBS_DEB_CFG80211, "cfg80211 regulatory domain "
2021 "callback for domain %c%c\n", request->alpha2[0],
2022 request->alpha2[1]);
2023
cc4b9d39 2024 ret = lbs_set_11d_domain_info(priv, request, wiphy->bands);
1047d5ed
KD		 2025
2026 lbs_deb_leave(LBS_DEB_CFG80211);
cc4b9d39 2027 return ret;
1047d5ed 2028}
ff9fc791 2029
e86dc1ca
KD		 2030void lbs_scan_deinit(struct lbs_private *priv)
2031{
2032 lbs_deb_enter(LBS_DEB_CFG80211);
2033 cancel_delayed_work_sync(&priv->scan_work);
2034}
2035
2036
ff9fc791
HS		 2037void lbs_cfg_free(struct lbs_private *priv)
2038{
2039 struct wireless_dev *wdev = priv->wdev;
2040
2041 lbs_deb_enter(LBS_DEB_CFG80211);
2042
2043 if (!wdev)
2044 return;
2045
73714004 2046 if (priv->wiphy_registered)
ff9fc791 2047 wiphy_unregister(wdev->wiphy);
73714004
DM		 2048
2049 if (wdev->wiphy)
ff9fc791 2050 wiphy_free(wdev->wiphy);
73714004 2051
ff9fc791
HS		 2052 kfree(wdev);
2053}
Clone of davem's net-next-2.6 tree