Commit | Line | Data |
---|---|---|
b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
ff9fc791 HS |
2 | /* |
3 | * Implement cfg80211 ("iw") support. | |
4 | * | |
5 | * Copyright (C) 2009 M&N Solutions GmbH, 61191 Rosbach, Germany | |
6 | * Holger Schurig <hs4233@mail.mn-solutions.de> | |
7 | * | |
8 | */ | |
9 | ||
0e4e06ae JP |
10 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
11 | ||
a6b7a407 | 12 | #include <linux/hardirq.h> |
241a6a54 AM |
13 | #include <linux/sched.h> |
14 | #include <linux/wait.h> | |
5a0e3ad6 | 15 | #include <linux/slab.h> |
1047d5ed | 16 | #include <linux/ieee80211.h> |
ff9fc791 | 17 | #include <net/cfg80211.h> |
e86dc1ca | 18 | #include <asm/unaligned.h> |
ff9fc791 | 19 | |
e86dc1ca | 20 | #include "decl.h" |
ff9fc791 HS |
21 | #include "cfg.h" |
22 | #include "cmd.h" | |
49fee692 | 23 | #include "mesh.h" |
ff9fc791 HS |
24 | |
25 | ||
26 | #define CHAN2G(_channel, _freq, _flags) { \ | |
57fbcce3 | 27 | .band = NL80211_BAND_2GHZ, \ |
ff9fc791 HS |
28 | .center_freq = (_freq), \ |
29 | .hw_value = (_channel), \ | |
30 | .flags = (_flags), \ | |
31 | .max_antenna_gain = 0, \ | |
32 | .max_power = 30, \ | |
33 | } | |
34 | ||
35 | static struct ieee80211_channel lbs_2ghz_channels[] = { | |
36 | CHAN2G(1, 2412, 0), | |
37 | CHAN2G(2, 2417, 0), | |
38 | CHAN2G(3, 2422, 0), | |
39 | CHAN2G(4, 2427, 0), | |
40 | CHAN2G(5, 2432, 0), | |
41 | CHAN2G(6, 2437, 0), | |
42 | CHAN2G(7, 2442, 0), | |
43 | CHAN2G(8, 2447, 0), | |
44 | CHAN2G(9, 2452, 0), | |
45 | CHAN2G(10, 2457, 0), | |
46 | CHAN2G(11, 2462, 0), | |
47 | CHAN2G(12, 2467, 0), | |
48 | CHAN2G(13, 2472, 0), | |
49 | CHAN2G(14, 2484, 0), | |
50 | }; | |
51 | ||
e86dc1ca KD |
52 | #define RATETAB_ENT(_rate, _hw_value, _flags) { \ |
53 | .bitrate = (_rate), \ | |
54 | .hw_value = (_hw_value), \ | |
55 | .flags = (_flags), \ | |
ff9fc791 HS |
56 | } |
57 | ||
58 | ||
e86dc1ca | 59 | /* Table 6 in section 3.2.1.1 */ |
ff9fc791 | 60 | static struct ieee80211_rate lbs_rates[] = { |
e86dc1ca KD |
61 | RATETAB_ENT(10, 0, 0), |
62 | RATETAB_ENT(20, 1, 0), | |
63 | RATETAB_ENT(55, 2, 0), | |
64 | RATETAB_ENT(110, 3, 0), | |
65 | RATETAB_ENT(60, 9, 0), | |
66 | RATETAB_ENT(90, 6, 0), | |
67 | RATETAB_ENT(120, 7, 0), | |
68 | RATETAB_ENT(180, 8, 0), | |
69 | RATETAB_ENT(240, 9, 0), | |
70 | RATETAB_ENT(360, 10, 0), | |
71 | RATETAB_ENT(480, 11, 0), | |
72 | RATETAB_ENT(540, 12, 0), | |
ff9fc791 HS |
73 | }; |
74 | ||
75 | static struct ieee80211_supported_band lbs_band_2ghz = { | |
76 | .channels = lbs_2ghz_channels, | |
77 | .n_channels = ARRAY_SIZE(lbs_2ghz_channels), | |
78 | .bitrates = lbs_rates, | |
79 | .n_bitrates = ARRAY_SIZE(lbs_rates), | |
80 | }; | |
81 | ||
82 | ||
83 | static const u32 cipher_suites[] = { | |
84 | WLAN_CIPHER_SUITE_WEP40, | |
85 | WLAN_CIPHER_SUITE_WEP104, | |
86 | WLAN_CIPHER_SUITE_TKIP, | |
87 | WLAN_CIPHER_SUITE_CCMP, | |
88 | }; | |
89 | ||
e86dc1ca KD |
90 | /* Time to stay on the channel */ |
91 | #define LBS_DWELL_PASSIVE 100 | |
92 | #define LBS_DWELL_ACTIVE 40 | |
ff9fc791 HS |
93 | |
94 | ||
e86dc1ca KD |
95 | /*************************************************************************** |
96 | * Misc utility functions | |
97 | * | |
98 | * TLVs are Marvell specific. They are very similar to IEs, they have the | |
99 | * same structure: type, length, data*. The only difference: for IEs, the | |
100 | * type and length are u8, but for TLVs they're __le16. | |
101 | */ | |
102 | ||
103 | /* | |
104 | * Convert NL80211's auth_type to the one from Libertas, see chapter 5.9.1 | |
105 | * in the firmware spec | |
106 | */ | |
effcc625 | 107 | static int lbs_auth_to_authtype(enum nl80211_auth_type auth_type) |
e86dc1ca KD |
108 | { |
109 | int ret = -ENOTSUPP; | |
110 | ||
111 | switch (auth_type) { | |
112 | case NL80211_AUTHTYPE_OPEN_SYSTEM: | |
113 | case NL80211_AUTHTYPE_SHARED_KEY: | |
114 | ret = auth_type; | |
115 | break; | |
116 | case NL80211_AUTHTYPE_AUTOMATIC: | |
117 | ret = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
118 | break; | |
119 | case NL80211_AUTHTYPE_NETWORK_EAP: | |
120 | ret = 0x80; | |
121 | break; | |
122 | default: | |
123 | /* silence compiler */ | |
124 | break; | |
125 | } | |
126 | return ret; | |
127 | } | |
128 | ||
129 | ||
8973a6e7 RD |
130 | /* |
131 | * Various firmware commands need the list of supported rates, but with | |
132 | * the hight-bit set for basic rates | |
133 | */ | |
e86dc1ca KD |
134 | static int lbs_add_rates(u8 *rates) |
135 | { | |
136 | size_t i; | |
137 | ||
138 | for (i = 0; i < ARRAY_SIZE(lbs_rates); i++) { | |
139 | u8 rate = lbs_rates[i].bitrate / 5; | |
140 | if (rate == 0x02 || rate == 0x04 || | |
141 | rate == 0x0b || rate == 0x16) | |
142 | rate |= 0x80; | |
143 | rates[i] = rate; | |
144 | } | |
145 | return ARRAY_SIZE(lbs_rates); | |
146 | } | |
147 | ||
148 | ||
149 | /*************************************************************************** | |
150 | * TLV utility functions | |
151 | * | |
152 | * TLVs are Marvell specific. They are very similar to IEs, they have the | |
153 | * same structure: type, length, data*. The only difference: for IEs, the | |
154 | * type and length are u8, but for TLVs they're __le16. | |
155 | */ | |
156 | ||
157 | ||
158 | /* | |
159 | * Add ssid TLV | |
160 | */ | |
161 | #define LBS_MAX_SSID_TLV_SIZE \ | |
162 | (sizeof(struct mrvl_ie_header) \ | |
163 | + IEEE80211_MAX_SSID_LEN) | |
164 | ||
165 | static int lbs_add_ssid_tlv(u8 *tlv, const u8 *ssid, int ssid_len) | |
166 | { | |
167 | struct mrvl_ie_ssid_param_set *ssid_tlv = (void *)tlv; | |
168 | ||
169 | /* | |
170 | * TLV-ID SSID 00 00 | |
171 | * length 06 00 | |
172 | * ssid 4d 4e 54 45 53 54 | |
173 | */ | |
174 | ssid_tlv->header.type = cpu_to_le16(TLV_TYPE_SSID); | |
175 | ssid_tlv->header.len = cpu_to_le16(ssid_len); | |
176 | memcpy(ssid_tlv->ssid, ssid, ssid_len); | |
177 | return sizeof(ssid_tlv->header) + ssid_len; | |
178 | } | |
179 | ||
180 | ||
181 | /* | |
182 | * Add channel list TLV (section 8.4.2) | |
183 | * | |
184 | * Actual channel data comes from priv->wdev->wiphy->channels. | |
185 | */ | |
186 | #define LBS_MAX_CHANNEL_LIST_TLV_SIZE \ | |
187 | (sizeof(struct mrvl_ie_header) \ | |
188 | + (LBS_SCAN_BEFORE_NAP * sizeof(struct chanscanparamset))) | |
189 | ||
190 | static int lbs_add_channel_list_tlv(struct lbs_private *priv, u8 *tlv, | |
191 | int last_channel, int active_scan) | |
192 | { | |
193 | int chanscanparamsize = sizeof(struct chanscanparamset) * | |
194 | (last_channel - priv->scan_channel); | |
195 | ||
196 | struct mrvl_ie_header *header = (void *) tlv; | |
197 | ||
198 | /* | |
199 | * TLV-ID CHANLIST 01 01 | |
200 | * length 0e 00 | |
201 | * channel 00 01 00 00 00 64 00 | |
202 | * radio type 00 | |
203 | * channel 01 | |
204 | * scan type 00 | |
205 | * min scan time 00 00 | |
206 | * max scan time 64 00 | |
207 | * channel 2 00 02 00 00 00 64 00 | |
208 | * | |
209 | */ | |
210 | ||
211 | header->type = cpu_to_le16(TLV_TYPE_CHANLIST); | |
212 | header->len = cpu_to_le16(chanscanparamsize); | |
213 | tlv += sizeof(struct mrvl_ie_header); | |
214 | ||
215 | /* lbs_deb_scan("scan: channels %d to %d\n", priv->scan_channel, | |
216 | last_channel); */ | |
217 | memset(tlv, 0, chanscanparamsize); | |
218 | ||
219 | while (priv->scan_channel < last_channel) { | |
220 | struct chanscanparamset *param = (void *) tlv; | |
221 | ||
222 | param->radiotype = CMD_SCAN_RADIO_TYPE_BG; | |
223 | param->channumber = | |
224 | priv->scan_req->channels[priv->scan_channel]->hw_value; | |
225 | if (active_scan) { | |
226 | param->maxscantime = cpu_to_le16(LBS_DWELL_ACTIVE); | |
227 | } else { | |
228 | param->chanscanmode.passivescan = 1; | |
229 | param->maxscantime = cpu_to_le16(LBS_DWELL_PASSIVE); | |
230 | } | |
231 | tlv += sizeof(struct chanscanparamset); | |
232 | priv->scan_channel++; | |
233 | } | |
234 | return sizeof(struct mrvl_ie_header) + chanscanparamsize; | |
235 | } | |
236 | ||
237 | ||
238 | /* | |
239 | * Add rates TLV | |
240 | * | |
241 | * The rates are in lbs_bg_rates[], but for the 802.11b | |
242 | * rates the high bit is set. We add this TLV only because | |
243 | * there's a firmware which otherwise doesn't report all | |
244 | * APs in range. | |
245 | */ | |
246 | #define LBS_MAX_RATES_TLV_SIZE \ | |
247 | (sizeof(struct mrvl_ie_header) \ | |
248 | + (ARRAY_SIZE(lbs_rates))) | |
249 | ||
250 | /* Adds a TLV with all rates the hardware supports */ | |
251 | static int lbs_add_supported_rates_tlv(u8 *tlv) | |
252 | { | |
253 | size_t i; | |
254 | struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv; | |
255 | ||
256 | /* | |
257 | * TLV-ID RATES 01 00 | |
258 | * length 0e 00 | |
259 | * rates 82 84 8b 96 0c 12 18 24 30 48 60 6c | |
260 | */ | |
261 | rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES); | |
262 | tlv += sizeof(rate_tlv->header); | |
263 | i = lbs_add_rates(tlv); | |
264 | tlv += i; | |
265 | rate_tlv->header.len = cpu_to_le16(i); | |
266 | return sizeof(rate_tlv->header) + i; | |
267 | } | |
268 | ||
19757539 DW |
269 | /* Add common rates from a TLV and return the new end of the TLV */ |
270 | static u8 * | |
271 | add_ie_rates(u8 *tlv, const u8 *ie, int *nrates) | |
272 | { | |
273 | int hw, ap, ap_max = ie[1]; | |
274 | u8 hw_rate; | |
275 | ||
276 | /* Advance past IE header */ | |
277 | ie += 2; | |
278 | ||
279 | lbs_deb_hex(LBS_DEB_ASSOC, "AP IE Rates", (u8 *) ie, ap_max); | |
280 | ||
281 | for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) { | |
282 | hw_rate = lbs_rates[hw].bitrate / 5; | |
283 | for (ap = 0; ap < ap_max; ap++) { | |
284 | if (hw_rate == (ie[ap] & 0x7f)) { | |
285 | *tlv++ = ie[ap]; | |
286 | *nrates = *nrates + 1; | |
287 | } | |
288 | } | |
289 | } | |
290 | return tlv; | |
291 | } | |
e86dc1ca KD |
292 | |
293 | /* | |
294 | * Adds a TLV with all rates the hardware *and* BSS supports. | |
295 | */ | |
296 | static int lbs_add_common_rates_tlv(u8 *tlv, struct cfg80211_bss *bss) | |
297 | { | |
298 | struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv; | |
19757539 DW |
299 | const u8 *rates_eid, *ext_rates_eid; |
300 | int n = 0; | |
301 | ||
9caf0364 | 302 | rcu_read_lock(); |
19757539 DW |
303 | rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES); |
304 | ext_rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_EXT_SUPP_RATES); | |
e86dc1ca KD |
305 | |
306 | /* | |
307 | * 01 00 TLV_TYPE_RATES | |
308 | * 04 00 len | |
309 | * 82 84 8b 96 rates | |
310 | */ | |
311 | rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES); | |
312 | tlv += sizeof(rate_tlv->header); | |
313 | ||
19757539 DW |
314 | /* Add basic rates */ |
315 | if (rates_eid) { | |
316 | tlv = add_ie_rates(tlv, rates_eid, &n); | |
317 | ||
318 | /* Add extended rates, if any */ | |
319 | if (ext_rates_eid) | |
320 | tlv = add_ie_rates(tlv, ext_rates_eid, &n); | |
321 | } else { | |
322 | lbs_deb_assoc("assoc: bss had no basic rate IE\n"); | |
e86dc1ca KD |
323 | /* Fallback: add basic 802.11b rates */ |
324 | *tlv++ = 0x82; | |
325 | *tlv++ = 0x84; | |
326 | *tlv++ = 0x8b; | |
327 | *tlv++ = 0x96; | |
328 | n = 4; | |
e86dc1ca | 329 | } |
9caf0364 | 330 | rcu_read_unlock(); |
e86dc1ca KD |
331 | |
332 | rate_tlv->header.len = cpu_to_le16(n); | |
333 | return sizeof(rate_tlv->header) + n; | |
334 | } | |
335 | ||
336 | ||
337 | /* | |
338 | * Add auth type TLV. | |
339 | * | |
340 | * This is only needed for newer firmware (V9 and up). | |
341 | */ | |
342 | #define LBS_MAX_AUTH_TYPE_TLV_SIZE \ | |
343 | sizeof(struct mrvl_ie_auth_type) | |
344 | ||
345 | static int lbs_add_auth_type_tlv(u8 *tlv, enum nl80211_auth_type auth_type) | |
346 | { | |
347 | struct mrvl_ie_auth_type *auth = (void *) tlv; | |
348 | ||
349 | /* | |
350 | * 1f 01 TLV_TYPE_AUTH_TYPE | |
351 | * 01 00 len | |
352 | * 01 auth type | |
353 | */ | |
354 | auth->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE); | |
355 | auth->header.len = cpu_to_le16(sizeof(*auth)-sizeof(auth->header)); | |
356 | auth->auth = cpu_to_le16(lbs_auth_to_authtype(auth_type)); | |
357 | return sizeof(*auth); | |
358 | } | |
359 | ||
360 | ||
361 | /* | |
362 | * Add channel (phy ds) TLV | |
363 | */ | |
364 | #define LBS_MAX_CHANNEL_TLV_SIZE \ | |
365 | sizeof(struct mrvl_ie_header) | |
366 | ||
367 | static int lbs_add_channel_tlv(u8 *tlv, u8 channel) | |
368 | { | |
369 | struct mrvl_ie_ds_param_set *ds = (void *) tlv; | |
370 | ||
371 | /* | |
372 | * 03 00 TLV_TYPE_PHY_DS | |
373 | * 01 00 len | |
374 | * 06 channel | |
375 | */ | |
376 | ds->header.type = cpu_to_le16(TLV_TYPE_PHY_DS); | |
377 | ds->header.len = cpu_to_le16(sizeof(*ds)-sizeof(ds->header)); | |
378 | ds->channel = channel; | |
379 | return sizeof(*ds); | |
380 | } | |
381 | ||
382 | ||
383 | /* | |
384 | * Add (empty) CF param TLV of the form: | |
385 | */ | |
386 | #define LBS_MAX_CF_PARAM_TLV_SIZE \ | |
387 | sizeof(struct mrvl_ie_header) | |
388 | ||
389 | static int lbs_add_cf_param_tlv(u8 *tlv) | |
390 | { | |
391 | struct mrvl_ie_cf_param_set *cf = (void *)tlv; | |
392 | ||
393 | /* | |
394 | * 04 00 TLV_TYPE_CF | |
395 | * 06 00 len | |
396 | * 00 cfpcnt | |
397 | * 00 cfpperiod | |
398 | * 00 00 cfpmaxduration | |
399 | * 00 00 cfpdurationremaining | |
400 | */ | |
401 | cf->header.type = cpu_to_le16(TLV_TYPE_CF); | |
402 | cf->header.len = cpu_to_le16(sizeof(*cf)-sizeof(cf->header)); | |
403 | return sizeof(*cf); | |
404 | } | |
405 | ||
406 | /* | |
407 | * Add WPA TLV | |
408 | */ | |
409 | #define LBS_MAX_WPA_TLV_SIZE \ | |
410 | (sizeof(struct mrvl_ie_header) \ | |
411 | + 128 /* TODO: I guessed the size */) | |
412 | ||
413 | static int lbs_add_wpa_tlv(u8 *tlv, const u8 *ie, u8 ie_len) | |
414 | { | |
415 | size_t tlv_len; | |
416 | ||
417 | /* | |
418 | * We need just convert an IE to an TLV. IEs use u8 for the header, | |
419 | * u8 type | |
420 | * u8 len | |
421 | * u8[] data | |
422 | * but TLVs use __le16 instead: | |
423 | * __le16 type | |
424 | * __le16 len | |
425 | * u8[] data | |
426 | */ | |
427 | *tlv++ = *ie++; | |
428 | *tlv++ = 0; | |
429 | tlv_len = *tlv++ = *ie++; | |
430 | *tlv++ = 0; | |
431 | while (tlv_len--) | |
432 | *tlv++ = *ie++; | |
433 | /* the TLV is two bytes larger than the IE */ | |
434 | return ie_len + 2; | |
435 | } | |
436 | ||
8973a6e7 | 437 | /* |
e86dc1ca KD |
438 | * Set Channel |
439 | */ | |
440 | ||
e8c9bd5b | 441 | static int lbs_cfg_set_monitor_channel(struct wiphy *wiphy, |
683b6d3b | 442 | struct cfg80211_chan_def *chandef) |
ff9fc791 HS |
443 | { |
444 | struct lbs_private *priv = wiphy_priv(wiphy); | |
e86dc1ca KD |
445 | int ret = -ENOTSUPP; |
446 | ||
683b6d3b | 447 | if (cfg80211_get_chandef_type(chandef) != NL80211_CHAN_NO_HT) |
e86dc1ca KD |
448 | goto out; |
449 | ||
683b6d3b | 450 | ret = lbs_set_channel(priv, chandef->chan->hw_value); |
e8c9bd5b JB |
451 | |
452 | out: | |
e8c9bd5b JB |
453 | return ret; |
454 | } | |
455 | ||
456 | static int lbs_cfg_set_mesh_channel(struct wiphy *wiphy, | |
457 | struct net_device *netdev, | |
458 | struct ieee80211_channel *channel) | |
459 | { | |
460 | struct lbs_private *priv = wiphy_priv(wiphy); | |
461 | int ret = -ENOTSUPP; | |
462 | ||
e8c9bd5b JB |
463 | if (netdev != priv->mesh_dev) |
464 | goto out; | |
465 | ||
466 | ret = lbs_mesh_set_channel(priv, channel->hw_value); | |
e86dc1ca KD |
467 | |
468 | out: | |
e86dc1ca KD |
469 | return ret; |
470 | } | |
471 | ||
472 | ||
473 | ||
8973a6e7 | 474 | /* |
e86dc1ca KD |
475 | * Scanning |
476 | */ | |
477 | ||
478 | /* | |
479 | * When scanning, the firmware doesn't send a nul packet with the power-safe | |
480 | * bit to the AP. So we cannot stay away from our current channel too long, | |
481 | * otherwise we loose data. So take a "nap" while scanning every other | |
482 | * while. | |
483 | */ | |
484 | #define LBS_SCAN_BEFORE_NAP 4 | |
485 | ||
486 | ||
487 | /* | |
488 | * When the firmware reports back a scan-result, it gives us an "u8 rssi", | |
489 | * which isn't really an RSSI, as it becomes larger when moving away from | |
490 | * the AP. Anyway, we need to convert that into mBm. | |
491 | */ | |
492 | #define LBS_SCAN_RSSI_TO_MBM(rssi) \ | |
493 | ((-(int)rssi + 3)*100) | |
494 | ||
495 | static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy, | |
496 | struct cmd_header *resp) | |
497 | { | |
731f8e1c | 498 | struct cfg80211_bss *bss; |
e86dc1ca KD |
499 | struct cmd_ds_802_11_scan_rsp *scanresp = (void *)resp; |
500 | int bsssize; | |
501 | const u8 *pos; | |
e86dc1ca KD |
502 | const u8 *tsfdesc; |
503 | int tsfsize; | |
504 | int i; | |
505 | int ret = -EILSEQ; | |
506 | ||
e86dc1ca | 507 | bsssize = get_unaligned_le16(&scanresp->bssdescriptsize); |
aebb628f DW |
508 | |
509 | lbs_deb_scan("scan response: %d BSSs (%d bytes); resp size %d bytes\n", | |
65a602dd | 510 | scanresp->nr_sets, bsssize, le16_to_cpu(resp->size)); |
aebb628f | 511 | |
65a602dd | 512 | if (scanresp->nr_sets == 0) { |
aebb628f DW |
513 | ret = 0; |
514 | goto done; | |
515 | } | |
e86dc1ca KD |
516 | |
517 | /* | |
518 | * The general layout of the scan response is described in chapter | |
519 | * 5.7.1. Basically we have a common part, then any number of BSS | |
520 | * descriptor sections. Finally we have section with the same number | |
521 | * of TSFs. | |
522 | * | |
523 | * cmd_ds_802_11_scan_rsp | |
524 | * cmd_header | |
525 | * pos_size | |
526 | * nr_sets | |
527 | * bssdesc 1 | |
528 | * bssid | |
529 | * rssi | |
530 | * timestamp | |
531 | * intvl | |
532 | * capa | |
533 | * IEs | |
534 | * bssdesc 2 | |
535 | * bssdesc n | |
536 | * MrvlIEtypes_TsfFimestamp_t | |
537 | * TSF for BSS 1 | |
538 | * TSF for BSS 2 | |
539 | * TSF for BSS n | |
540 | */ | |
541 | ||
542 | pos = scanresp->bssdesc_and_tlvbuffer; | |
543 | ||
4083858c DW |
544 | lbs_deb_hex(LBS_DEB_SCAN, "SCAN_RSP", scanresp->bssdesc_and_tlvbuffer, |
545 | scanresp->bssdescriptsize); | |
546 | ||
e86dc1ca KD |
547 | tsfdesc = pos + bsssize; |
548 | tsfsize = 4 + 8 * scanresp->nr_sets; | |
4083858c | 549 | lbs_deb_hex(LBS_DEB_SCAN, "SCAN_TSF", (u8 *) tsfdesc, tsfsize); |
e86dc1ca KD |
550 | |
551 | /* Validity check: we expect a Marvell-Local TLV */ | |
552 | i = get_unaligned_le16(tsfdesc); | |
553 | tsfdesc += 2; | |
4083858c DW |
554 | if (i != TLV_TYPE_TSFTIMESTAMP) { |
555 | lbs_deb_scan("scan response: invalid TSF Timestamp %d\n", i); | |
e86dc1ca | 556 | goto done; |
4083858c DW |
557 | } |
558 | ||
8973a6e7 RD |
559 | /* |
560 | * Validity check: the TLV holds TSF values with 8 bytes each, so | |
561 | * the size in the TLV must match the nr_sets value | |
562 | */ | |
e86dc1ca KD |
563 | i = get_unaligned_le16(tsfdesc); |
564 | tsfdesc += 2; | |
4083858c DW |
565 | if (i / 8 != scanresp->nr_sets) { |
566 | lbs_deb_scan("scan response: invalid number of TSF timestamp " | |
567 | "sets (expected %d got %d)\n", scanresp->nr_sets, | |
568 | i / 8); | |
e86dc1ca | 569 | goto done; |
4083858c | 570 | } |
e86dc1ca KD |
571 | |
572 | for (i = 0; i < scanresp->nr_sets; i++) { | |
573 | const u8 *bssid; | |
574 | const u8 *ie; | |
575 | int left; | |
576 | int ielen; | |
577 | int rssi; | |
578 | u16 intvl; | |
579 | u16 capa; | |
580 | int chan_no = -1; | |
581 | const u8 *ssid = NULL; | |
582 | u8 ssid_len = 0; | |
e86dc1ca KD |
583 | |
584 | int len = get_unaligned_le16(pos); | |
585 | pos += 2; | |
586 | ||
587 | /* BSSID */ | |
588 | bssid = pos; | |
589 | pos += ETH_ALEN; | |
590 | /* RSSI */ | |
591 | rssi = *pos++; | |
592 | /* Packet time stamp */ | |
593 | pos += 8; | |
594 | /* Beacon interval */ | |
595 | intvl = get_unaligned_le16(pos); | |
596 | pos += 2; | |
597 | /* Capabilities */ | |
598 | capa = get_unaligned_le16(pos); | |
599 | pos += 2; | |
600 | ||
601 | /* To find out the channel, we must parse the IEs */ | |
602 | ie = pos; | |
8973a6e7 RD |
603 | /* |
604 | * 6+1+8+2+2: size of BSSID, RSSI, time stamp, beacon | |
605 | * interval, capabilities | |
606 | */ | |
e86dc1ca KD |
607 | ielen = left = len - (6 + 1 + 8 + 2 + 2); |
608 | while (left >= 2) { | |
609 | u8 id, elen; | |
610 | id = *pos++; | |
611 | elen = *pos++; | |
612 | left -= 2; | |
95320774 | 613 | if (elen > left) { |
4083858c | 614 | lbs_deb_scan("scan response: invalid IE fmt\n"); |
e86dc1ca | 615 | goto done; |
4083858c DW |
616 | } |
617 | ||
e86dc1ca KD |
618 | if (id == WLAN_EID_DS_PARAMS) |
619 | chan_no = *pos; | |
620 | if (id == WLAN_EID_SSID) { | |
621 | ssid = pos; | |
622 | ssid_len = elen; | |
623 | } | |
624 | left -= elen; | |
625 | pos += elen; | |
626 | } | |
627 | ||
628 | /* No channel, no luck */ | |
629 | if (chan_no != -1) { | |
630 | struct wiphy *wiphy = priv->wdev->wiphy; | |
59eb21a6 | 631 | int freq = ieee80211_channel_to_frequency(chan_no, |
57fbcce3 | 632 | NL80211_BAND_2GHZ); |
e86dc1ca KD |
633 | struct ieee80211_channel *channel = |
634 | ieee80211_get_channel(wiphy, freq); | |
635 | ||
da169607 AS |
636 | lbs_deb_scan("scan: %pM, capa %04x, chan %2d, %*pE, %d dBm\n", |
637 | bssid, capa, chan_no, ssid_len, ssid, | |
e86dc1ca KD |
638 | LBS_SCAN_RSSI_TO_MBM(rssi)/100); |
639 | ||
4a55d585 | 640 | if (channel && |
731f8e1c JL |
641 | !(channel->flags & IEEE80211_CHAN_DISABLED)) { |
642 | bss = cfg80211_inform_bss(wiphy, channel, | |
5bc8c1f2 | 643 | CFG80211_BSS_FTYPE_UNKNOWN, |
d929bbc6 | 644 | bssid, get_unaligned_le64(tsfdesc), |
e86dc1ca KD |
645 | capa, intvl, ie, ielen, |
646 | LBS_SCAN_RSSI_TO_MBM(rssi), | |
647 | GFP_KERNEL); | |
5b112d3d | 648 | cfg80211_put_bss(wiphy, bss); |
731f8e1c | 649 | } |
4083858c DW |
650 | } else |
651 | lbs_deb_scan("scan response: missing BSS channel IE\n"); | |
652 | ||
e86dc1ca KD |
653 | tsfdesc += 8; |
654 | } | |
655 | ret = 0; | |
656 | ||
657 | done: | |
e86dc1ca KD |
658 | return ret; |
659 | } | |
660 | ||
661 | ||
662 | /* | |
663 | * Our scan command contains a TLV, consting of a SSID TLV, a channel list | |
664 | * TLV and a rates TLV. Determine the maximum size of them: | |
665 | */ | |
666 | #define LBS_SCAN_MAX_CMD_SIZE \ | |
667 | (sizeof(struct cmd_ds_802_11_scan) \ | |
668 | + LBS_MAX_SSID_TLV_SIZE \ | |
669 | + LBS_MAX_CHANNEL_LIST_TLV_SIZE \ | |
670 | + LBS_MAX_RATES_TLV_SIZE) | |
671 | ||
672 | /* | |
673 | * Assumes priv->scan_req is initialized and valid | |
674 | * Assumes priv->scan_channel is initialized | |
675 | */ | |
676 | static void lbs_scan_worker(struct work_struct *work) | |
677 | { | |
678 | struct lbs_private *priv = | |
679 | container_of(work, struct lbs_private, scan_work.work); | |
680 | struct cmd_ds_802_11_scan *scan_cmd; | |
681 | u8 *tlv; /* pointer into our current, growing TLV storage area */ | |
682 | int last_channel; | |
683 | int running, carrier; | |
684 | ||
e86dc1ca KD |
685 | scan_cmd = kzalloc(LBS_SCAN_MAX_CMD_SIZE, GFP_KERNEL); |
686 | if (scan_cmd == NULL) | |
4bc606af | 687 | return; |
e86dc1ca KD |
688 | |
689 | /* prepare fixed part of scan command */ | |
690 | scan_cmd->bsstype = CMD_BSS_TYPE_ANY; | |
691 | ||
692 | /* stop network while we're away from our main channel */ | |
693 | running = !netif_queue_stopped(priv->dev); | |
694 | carrier = netif_carrier_ok(priv->dev); | |
695 | if (running) | |
696 | netif_stop_queue(priv->dev); | |
697 | if (carrier) | |
698 | netif_carrier_off(priv->dev); | |
699 | ||
700 | /* prepare fixed part of scan command */ | |
701 | tlv = scan_cmd->tlvbuffer; | |
702 | ||
703 | /* add SSID TLV */ | |
b4c3f34a | 704 | if (priv->scan_req->n_ssids && priv->scan_req->ssids[0].ssid_len > 0) |
e86dc1ca KD |
705 | tlv += lbs_add_ssid_tlv(tlv, |
706 | priv->scan_req->ssids[0].ssid, | |
707 | priv->scan_req->ssids[0].ssid_len); | |
708 | ||
709 | /* add channel TLVs */ | |
710 | last_channel = priv->scan_channel + LBS_SCAN_BEFORE_NAP; | |
711 | if (last_channel > priv->scan_req->n_channels) | |
712 | last_channel = priv->scan_req->n_channels; | |
713 | tlv += lbs_add_channel_list_tlv(priv, tlv, last_channel, | |
714 | priv->scan_req->n_ssids); | |
715 | ||
716 | /* add rates TLV */ | |
717 | tlv += lbs_add_supported_rates_tlv(tlv); | |
718 | ||
719 | if (priv->scan_channel < priv->scan_req->n_channels) { | |
720 | cancel_delayed_work(&priv->scan_work); | |
d2e7b342 | 721 | if (netif_running(priv->dev)) |
2e30168b DD |
722 | queue_delayed_work(priv->work_thread, &priv->scan_work, |
723 | msecs_to_jiffies(300)); | |
e86dc1ca KD |
724 | } |
725 | ||
726 | /* This is the final data we are about to send */ | |
727 | scan_cmd->hdr.size = cpu_to_le16(tlv - (u8 *)scan_cmd); | |
728 | lbs_deb_hex(LBS_DEB_SCAN, "SCAN_CMD", (void *)scan_cmd, | |
729 | sizeof(*scan_cmd)); | |
730 | lbs_deb_hex(LBS_DEB_SCAN, "SCAN_TLV", scan_cmd->tlvbuffer, | |
731 | tlv - scan_cmd->tlvbuffer); | |
732 | ||
733 | __lbs_cmd(priv, CMD_802_11_SCAN, &scan_cmd->hdr, | |
734 | le16_to_cpu(scan_cmd->hdr.size), | |
735 | lbs_ret_scan, 0); | |
736 | ||
afbca95f | 737 | if (priv->scan_channel >= priv->scan_req->n_channels) { |
e86dc1ca | 738 | /* Mark scan done */ |
afbca95f | 739 | cancel_delayed_work(&priv->scan_work); |
3209e061 | 740 | lbs_scan_done(priv); |
afbca95f | 741 | } |
e86dc1ca KD |
742 | |
743 | /* Restart network */ | |
744 | if (carrier) | |
745 | netif_carrier_on(priv->dev); | |
746 | if (running && !priv->tx_pending_len) | |
747 | netif_wake_queue(priv->dev); | |
748 | ||
749 | kfree(scan_cmd); | |
750 | ||
cc026819 DW |
751 | /* Wake up anything waiting on scan completion */ |
752 | if (priv->scan_req == NULL) { | |
753 | lbs_deb_scan("scan: waking up waiters\n"); | |
754 | wake_up_all(&priv->scan_q); | |
755 | } | |
e86dc1ca KD |
756 | } |
757 | ||
cc026819 DW |
758 | static void _internal_start_scan(struct lbs_private *priv, bool internal, |
759 | struct cfg80211_scan_request *request) | |
760 | { | |
cc026819 DW |
761 | lbs_deb_scan("scan: ssids %d, channels %d, ie_len %zd\n", |
762 | request->n_ssids, request->n_channels, request->ie_len); | |
763 | ||
764 | priv->scan_channel = 0; | |
cc026819 DW |
765 | priv->scan_req = request; |
766 | priv->internal_scan = internal; | |
767 | ||
afbca95f AS |
768 | queue_delayed_work(priv->work_thread, &priv->scan_work, |
769 | msecs_to_jiffies(50)); | |
cc026819 | 770 | } |
e86dc1ca | 771 | |
3209e061 AS |
772 | /* |
773 | * Clean up priv->scan_req. Should be used to handle the allocation details. | |
774 | */ | |
775 | void lbs_scan_done(struct lbs_private *priv) | |
776 | { | |
777 | WARN_ON(!priv->scan_req); | |
778 | ||
1d76250b | 779 | if (priv->internal_scan) { |
3209e061 | 780 | kfree(priv->scan_req); |
1d76250b AS |
781 | } else { |
782 | struct cfg80211_scan_info info = { | |
783 | .aborted = false, | |
784 | }; | |
785 | ||
786 | cfg80211_scan_done(priv->scan_req, &info); | |
787 | } | |
3209e061 AS |
788 | |
789 | priv->scan_req = NULL; | |
790 | } | |
791 | ||
e86dc1ca | 792 | static int lbs_cfg_scan(struct wiphy *wiphy, |
e86dc1ca KD |
793 | struct cfg80211_scan_request *request) |
794 | { | |
795 | struct lbs_private *priv = wiphy_priv(wiphy); | |
796 | int ret = 0; | |
797 | ||
e86dc1ca KD |
798 | if (priv->scan_req || delayed_work_pending(&priv->scan_work)) { |
799 | /* old scan request not yet processed */ | |
800 | ret = -EAGAIN; | |
801 | goto out; | |
802 | } | |
803 | ||
cc026819 | 804 | _internal_start_scan(priv, false, request); |
e86dc1ca KD |
805 | |
806 | if (priv->surpriseremoved) | |
807 | ret = -EIO; | |
808 | ||
e86dc1ca | 809 | out: |
e86dc1ca KD |
810 | return ret; |
811 | } | |
812 | ||
813 | ||
814 | ||
815 | ||
8973a6e7 | 816 | /* |
e86dc1ca KD |
817 | * Events |
818 | */ | |
819 | ||
80279fb7 JB |
820 | void lbs_send_disconnect_notification(struct lbs_private *priv, |
821 | bool locally_generated) | |
e86dc1ca | 822 | { |
80279fb7 JB |
823 | cfg80211_disconnected(priv->dev, 0, NULL, 0, locally_generated, |
824 | GFP_KERNEL); | |
e86dc1ca KD |
825 | } |
826 | ||
827 | void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event) | |
828 | { | |
e86dc1ca KD |
829 | cfg80211_michael_mic_failure(priv->dev, |
830 | priv->assoc_bss, | |
831 | event == MACREG_INT_CODE_MIC_ERR_MULTICAST ? | |
832 | NL80211_KEYTYPE_GROUP : | |
833 | NL80211_KEYTYPE_PAIRWISE, | |
834 | -1, | |
835 | NULL, | |
836 | GFP_KERNEL); | |
e86dc1ca KD |
837 | } |
838 | ||
839 | ||
840 | ||
841 | ||
8973a6e7 | 842 | /* |
e86dc1ca KD |
843 | * Connect/disconnect |
844 | */ | |
845 | ||
846 | ||
847 | /* | |
848 | * This removes all WEP keys | |
849 | */ | |
850 | static int lbs_remove_wep_keys(struct lbs_private *priv) | |
851 | { | |
852 | struct cmd_ds_802_11_set_wep cmd; | |
853 | int ret; | |
854 | ||
e86dc1ca KD |
855 | memset(&cmd, 0, sizeof(cmd)); |
856 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
857 | cmd.keyindex = cpu_to_le16(priv->wep_tx_key); | |
858 | cmd.action = cpu_to_le16(CMD_ACT_REMOVE); | |
859 | ||
860 | ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd); | |
861 | ||
e86dc1ca KD |
862 | return ret; |
863 | } | |
864 | ||
865 | /* | |
866 | * Set WEP keys | |
867 | */ | |
868 | static int lbs_set_wep_keys(struct lbs_private *priv) | |
869 | { | |
870 | struct cmd_ds_802_11_set_wep cmd; | |
871 | int i; | |
872 | int ret; | |
873 | ||
e86dc1ca KD |
874 | /* |
875 | * command 13 00 | |
876 | * size 50 00 | |
877 | * sequence xx xx | |
878 | * result 00 00 | |
879 | * action 02 00 ACT_ADD | |
880 | * transmit key 00 00 | |
881 | * type for key 1 01 WEP40 | |
882 | * type for key 2 00 | |
883 | * type for key 3 00 | |
884 | * type for key 4 00 | |
885 | * key 1 39 39 39 39 39 00 00 00 | |
886 | * 00 00 00 00 00 00 00 00 | |
887 | * key 2 00 00 00 00 00 00 00 00 | |
888 | * 00 00 00 00 00 00 00 00 | |
889 | * key 3 00 00 00 00 00 00 00 00 | |
890 | * 00 00 00 00 00 00 00 00 | |
891 | * key 4 00 00 00 00 00 00 00 00 | |
892 | */ | |
893 | if (priv->wep_key_len[0] || priv->wep_key_len[1] || | |
894 | priv->wep_key_len[2] || priv->wep_key_len[3]) { | |
895 | /* Only set wep keys if we have at least one of them */ | |
896 | memset(&cmd, 0, sizeof(cmd)); | |
897 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
898 | cmd.keyindex = cpu_to_le16(priv->wep_tx_key); | |
899 | cmd.action = cpu_to_le16(CMD_ACT_ADD); | |
900 | ||
901 | for (i = 0; i < 4; i++) { | |
902 | switch (priv->wep_key_len[i]) { | |
903 | case WLAN_KEY_LEN_WEP40: | |
904 | cmd.keytype[i] = CMD_TYPE_WEP_40_BIT; | |
905 | break; | |
906 | case WLAN_KEY_LEN_WEP104: | |
907 | cmd.keytype[i] = CMD_TYPE_WEP_104_BIT; | |
908 | break; | |
909 | default: | |
910 | cmd.keytype[i] = 0; | |
911 | break; | |
912 | } | |
913 | memcpy(cmd.keymaterial[i], priv->wep_key[i], | |
914 | priv->wep_key_len[i]); | |
915 | } | |
916 | ||
917 | ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd); | |
918 | } else { | |
919 | /* Otherwise remove all wep keys */ | |
920 | ret = lbs_remove_wep_keys(priv); | |
921 | } | |
922 | ||
e86dc1ca KD |
923 | return ret; |
924 | } | |
925 | ||
926 | ||
927 | /* | |
928 | * Enable/Disable RSN status | |
929 | */ | |
930 | static int lbs_enable_rsn(struct lbs_private *priv, int enable) | |
931 | { | |
932 | struct cmd_ds_802_11_enable_rsn cmd; | |
933 | int ret; | |
934 | ||
e86dc1ca KD |
935 | /* |
936 | * cmd 2f 00 | |
937 | * size 0c 00 | |
938 | * sequence xx xx | |
939 | * result 00 00 | |
940 | * action 01 00 ACT_SET | |
941 | * enable 01 00 | |
942 | */ | |
943 | memset(&cmd, 0, sizeof(cmd)); | |
944 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
945 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
946 | cmd.enable = cpu_to_le16(enable); | |
947 | ||
948 | ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd); | |
949 | ||
e86dc1ca KD |
950 | return ret; |
951 | } | |
952 | ||
953 | ||
954 | /* | |
955 | * Set WPA/WPA key material | |
956 | */ | |
957 | ||
8973a6e7 RD |
958 | /* |
959 | * like "struct cmd_ds_802_11_key_material", but with cmd_header. Once we | |
960 | * get rid of WEXT, this should go into host.h | |
961 | */ | |
e86dc1ca KD |
962 | |
963 | struct cmd_key_material { | |
964 | struct cmd_header hdr; | |
965 | ||
966 | __le16 action; | |
967 | struct MrvlIEtype_keyParamSet param; | |
beabe914 | 968 | } __packed; |
e86dc1ca KD |
969 | |
970 | static int lbs_set_key_material(struct lbs_private *priv, | |
c1e5f471 JB |
971 | int key_type, int key_info, |
972 | const u8 *key, u16 key_len) | |
e86dc1ca KD |
973 | { |
974 | struct cmd_key_material cmd; | |
975 | int ret; | |
976 | ||
e86dc1ca KD |
977 | /* |
978 | * Example for WPA (TKIP): | |
979 | * | |
980 | * cmd 5e 00 | |
981 | * size 34 00 | |
982 | * sequence xx xx | |
983 | * result 00 00 | |
984 | * action 01 00 | |
985 | * TLV type 00 01 key param | |
986 | * length 00 26 | |
987 | * key type 01 00 TKIP | |
988 | * key info 06 00 UNICAST | ENABLED | |
989 | * key len 20 00 | |
990 | * key 32 bytes | |
991 | */ | |
992 | memset(&cmd, 0, sizeof(cmd)); | |
993 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
994 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
995 | cmd.param.type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL); | |
996 | cmd.param.length = cpu_to_le16(sizeof(cmd.param) - 4); | |
997 | cmd.param.keytypeid = cpu_to_le16(key_type); | |
998 | cmd.param.keyinfo = cpu_to_le16(key_info); | |
999 | cmd.param.keylen = cpu_to_le16(key_len); | |
1000 | if (key && key_len) | |
1001 | memcpy(cmd.param.key, key, key_len); | |
1002 | ||
1003 | ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd); | |
1004 | ||
e86dc1ca KD |
1005 | return ret; |
1006 | } | |
1007 | ||
1008 | ||
1009 | /* | |
1010 | * Sets the auth type (open, shared, etc) in the firmware. That | |
1011 | * we use CMD_802_11_AUTHENTICATE is misleading, this firmware | |
1012 | * command doesn't send an authentication frame at all, it just | |
1013 | * stores the auth_type. | |
1014 | */ | |
1015 | static int lbs_set_authtype(struct lbs_private *priv, | |
1016 | struct cfg80211_connect_params *sme) | |
1017 | { | |
1018 | struct cmd_ds_802_11_authenticate cmd; | |
1019 | int ret; | |
1020 | ||
e86dc1ca KD |
1021 | /* |
1022 | * cmd 11 00 | |
1023 | * size 19 00 | |
1024 | * sequence xx xx | |
1025 | * result 00 00 | |
1026 | * BSS id 00 13 19 80 da 30 | |
1027 | * auth type 00 | |
1028 | * reserved 00 00 00 00 00 00 00 00 00 00 | |
1029 | */ | |
1030 | memset(&cmd, 0, sizeof(cmd)); | |
1031 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
1032 | if (sme->bssid) | |
1033 | memcpy(cmd.bssid, sme->bssid, ETH_ALEN); | |
1034 | /* convert auth_type */ | |
1035 | ret = lbs_auth_to_authtype(sme->auth_type); | |
1036 | if (ret < 0) | |
1037 | goto done; | |
1038 | ||
1039 | cmd.authtype = ret; | |
1040 | ret = lbs_cmd_with_response(priv, CMD_802_11_AUTHENTICATE, &cmd); | |
1041 | ||
1042 | done: | |
e86dc1ca KD |
1043 | return ret; |
1044 | } | |
1045 | ||
1046 | ||
1047 | /* | |
1048 | * Create association request | |
1049 | */ | |
1050 | #define LBS_ASSOC_MAX_CMD_SIZE \ | |
1051 | (sizeof(struct cmd_ds_802_11_associate) \ | |
1052 | - 512 /* cmd_ds_802_11_associate.iebuf */ \ | |
1053 | + LBS_MAX_SSID_TLV_SIZE \ | |
1054 | + LBS_MAX_CHANNEL_TLV_SIZE \ | |
1055 | + LBS_MAX_CF_PARAM_TLV_SIZE \ | |
1056 | + LBS_MAX_AUTH_TYPE_TLV_SIZE \ | |
1057 | + LBS_MAX_WPA_TLV_SIZE) | |
1058 | ||
1059 | static int lbs_associate(struct lbs_private *priv, | |
1060 | struct cfg80211_bss *bss, | |
1061 | struct cfg80211_connect_params *sme) | |
1062 | { | |
1063 | struct cmd_ds_802_11_associate_response *resp; | |
1064 | struct cmd_ds_802_11_associate *cmd = kzalloc(LBS_ASSOC_MAX_CMD_SIZE, | |
1065 | GFP_KERNEL); | |
1066 | const u8 *ssid_eid; | |
1067 | size_t len, resp_ie_len; | |
1068 | int status; | |
1069 | int ret; | |
0a38c8e1 | 1070 | u8 *pos; |
19757539 | 1071 | u8 *tmp; |
e86dc1ca | 1072 | |
e86dc1ca KD |
1073 | if (!cmd) { |
1074 | ret = -ENOMEM; | |
1075 | goto done; | |
1076 | } | |
0a38c8e1 | 1077 | pos = &cmd->iebuf[0]; |
e86dc1ca KD |
1078 | |
1079 | /* | |
1080 | * cmd 50 00 | |
1081 | * length 34 00 | |
1082 | * sequence xx xx | |
1083 | * result 00 00 | |
1084 | * BSS id 00 13 19 80 da 30 | |
1085 | * capabilities 11 00 | |
1086 | * listen interval 0a 00 | |
1087 | * beacon interval 00 00 | |
1088 | * DTIM period 00 | |
1089 | * TLVs xx (up to 512 bytes) | |
1090 | */ | |
1091 | cmd->hdr.command = cpu_to_le16(CMD_802_11_ASSOCIATE); | |
1092 | ||
1093 | /* Fill in static fields */ | |
1094 | memcpy(cmd->bssid, bss->bssid, ETH_ALEN); | |
1095 | cmd->listeninterval = cpu_to_le16(MRVDRV_DEFAULT_LISTEN_INTERVAL); | |
1096 | cmd->capability = cpu_to_le16(bss->capability); | |
1097 | ||
1098 | /* add SSID TLV */ | |
9caf0364 | 1099 | rcu_read_lock(); |
e86dc1ca KD |
1100 | ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); |
1101 | if (ssid_eid) | |
1102 | pos += lbs_add_ssid_tlv(pos, ssid_eid + 2, ssid_eid[1]); | |
1103 | else | |
1104 | lbs_deb_assoc("no SSID\n"); | |
9caf0364 | 1105 | rcu_read_unlock(); |
e86dc1ca KD |
1106 | |
1107 | /* add DS param TLV */ | |
1108 | if (bss->channel) | |
1109 | pos += lbs_add_channel_tlv(pos, bss->channel->hw_value); | |
1110 | else | |
1111 | lbs_deb_assoc("no channel\n"); | |
1112 | ||
1113 | /* add (empty) CF param TLV */ | |
1114 | pos += lbs_add_cf_param_tlv(pos); | |
1115 | ||
1116 | /* add rates TLV */ | |
19757539 | 1117 | tmp = pos + 4; /* skip Marvell IE header */ |
e86dc1ca | 1118 | pos += lbs_add_common_rates_tlv(pos, bss); |
19757539 | 1119 | lbs_deb_hex(LBS_DEB_ASSOC, "Common Rates", tmp, pos - tmp); |
e86dc1ca KD |
1120 | |
1121 | /* add auth type TLV */ | |
86df5f72 | 1122 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) >= 9) |
e86dc1ca KD |
1123 | pos += lbs_add_auth_type_tlv(pos, sme->auth_type); |
1124 | ||
1125 | /* add WPA/WPA2 TLV */ | |
1126 | if (sme->ie && sme->ie_len) | |
1127 | pos += lbs_add_wpa_tlv(pos, sme->ie, sme->ie_len); | |
1128 | ||
1129 | len = (sizeof(*cmd) - sizeof(cmd->iebuf)) + | |
1130 | (u16)(pos - (u8 *) &cmd->iebuf); | |
1131 | cmd->hdr.size = cpu_to_le16(len); | |
1132 | ||
86df5f72 DW |
1133 | lbs_deb_hex(LBS_DEB_ASSOC, "ASSOC_CMD", (u8 *) cmd, |
1134 | le16_to_cpu(cmd->hdr.size)); | |
1135 | ||
e86dc1ca KD |
1136 | /* store for later use */ |
1137 | memcpy(priv->assoc_bss, bss->bssid, ETH_ALEN); | |
1138 | ||
1139 | ret = lbs_cmd_with_response(priv, CMD_802_11_ASSOCIATE, cmd); | |
1140 | if (ret) | |
1141 | goto done; | |
1142 | ||
e86dc1ca KD |
1143 | /* generate connect message to cfg80211 */ |
1144 | ||
1145 | resp = (void *) cmd; /* recast for easier field access */ | |
1146 | status = le16_to_cpu(resp->statuscode); | |
1147 | ||
86df5f72 DW |
1148 | /* Older FW versions map the IEEE 802.11 Status Code in the association |
1149 | * response to the following values returned in resp->statuscode: | |
1150 | * | |
1151 | * IEEE Status Code Marvell Status Code | |
1152 | * 0 -> 0x0000 ASSOC_RESULT_SUCCESS | |
1153 | * 13 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED | |
1154 | * 14 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED | |
1155 | * 15 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED | |
1156 | * 16 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED | |
1157 | * others -> 0x0003 ASSOC_RESULT_REFUSED | |
1158 | * | |
1159 | * Other response codes: | |
1160 | * 0x0001 -> ASSOC_RESULT_INVALID_PARAMETERS (unused) | |
1161 | * 0x0002 -> ASSOC_RESULT_TIMEOUT (internal timer expired waiting for | |
1162 | * association response from the AP) | |
1163 | */ | |
1164 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8) { | |
e86dc1ca KD |
1165 | switch (status) { |
1166 | case 0: | |
1167 | break; | |
1168 | case 1: | |
1169 | lbs_deb_assoc("invalid association parameters\n"); | |
1170 | status = WLAN_STATUS_CAPS_UNSUPPORTED; | |
1171 | break; | |
1172 | case 2: | |
1173 | lbs_deb_assoc("timer expired while waiting for AP\n"); | |
1174 | status = WLAN_STATUS_AUTH_TIMEOUT; | |
1175 | break; | |
1176 | case 3: | |
1177 | lbs_deb_assoc("association refused by AP\n"); | |
1178 | status = WLAN_STATUS_ASSOC_DENIED_UNSPEC; | |
1179 | break; | |
1180 | case 4: | |
1181 | lbs_deb_assoc("authentication refused by AP\n"); | |
1182 | status = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION; | |
1183 | break; | |
1184 | default: | |
1185 | lbs_deb_assoc("association failure %d\n", status); | |
86df5f72 DW |
1186 | /* v5 OLPC firmware does return the AP status code if |
1187 | * it's not one of the values above. Let that through. | |
1188 | */ | |
1189 | break; | |
1190 | } | |
e86dc1ca KD |
1191 | } |
1192 | ||
86df5f72 DW |
1193 | lbs_deb_assoc("status %d, statuscode 0x%04x, capability 0x%04x, " |
1194 | "aid 0x%04x\n", status, le16_to_cpu(resp->statuscode), | |
1195 | le16_to_cpu(resp->capability), le16_to_cpu(resp->aid)); | |
e86dc1ca KD |
1196 | |
1197 | resp_ie_len = le16_to_cpu(resp->hdr.size) | |
1198 | - sizeof(resp->hdr) | |
1199 | - 6; | |
1200 | cfg80211_connect_result(priv->dev, | |
1201 | priv->assoc_bss, | |
1202 | sme->ie, sme->ie_len, | |
1203 | resp->iebuf, resp_ie_len, | |
1204 | status, | |
1205 | GFP_KERNEL); | |
1206 | ||
1207 | if (status == 0) { | |
1208 | /* TODO: get rid of priv->connect_status */ | |
1209 | priv->connect_status = LBS_CONNECTED; | |
1210 | netif_carrier_on(priv->dev); | |
1211 | if (!priv->tx_pending_len) | |
1212 | netif_tx_wake_all_queues(priv->dev); | |
1213 | } | |
1214 | ||
8c1057e4 | 1215 | kfree(cmd); |
e86dc1ca | 1216 | done: |
e86dc1ca KD |
1217 | return ret; |
1218 | } | |
1219 | ||
cc026819 DW |
1220 | static struct cfg80211_scan_request * |
1221 | _new_connect_scan_req(struct wiphy *wiphy, struct cfg80211_connect_params *sme) | |
1222 | { | |
1223 | struct cfg80211_scan_request *creq = NULL; | |
bdfbec2d | 1224 | int i, n_channels = ieee80211_get_num_supported_channels(wiphy); |
57fbcce3 | 1225 | enum nl80211_band band; |
cc026819 | 1226 | |
cc026819 DW |
1227 | creq = kzalloc(sizeof(*creq) + sizeof(struct cfg80211_ssid) + |
1228 | n_channels * sizeof(void *), | |
1229 | GFP_ATOMIC); | |
1230 | if (!creq) | |
1231 | return NULL; | |
1232 | ||
1233 | /* SSIDs come after channels */ | |
1234 | creq->ssids = (void *)&creq->channels[n_channels]; | |
1235 | creq->n_channels = n_channels; | |
1236 | creq->n_ssids = 1; | |
1237 | ||
1238 | /* Scan all available channels */ | |
1239 | i = 0; | |
57fbcce3 | 1240 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
cc026819 DW |
1241 | int j; |
1242 | ||
1243 | if (!wiphy->bands[band]) | |
1244 | continue; | |
1245 | ||
1246 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
1247 | /* ignore disabled channels */ | |
1248 | if (wiphy->bands[band]->channels[j].flags & | |
1249 | IEEE80211_CHAN_DISABLED) | |
1250 | continue; | |
1251 | ||
1252 | creq->channels[i] = &wiphy->bands[band]->channels[j]; | |
1253 | i++; | |
1254 | } | |
1255 | } | |
1256 | if (i) { | |
1257 | /* Set real number of channels specified in creq->channels[] */ | |
1258 | creq->n_channels = i; | |
1259 | ||
1260 | /* Scan for the SSID we're going to connect to */ | |
1261 | memcpy(creq->ssids[0].ssid, sme->ssid, sme->ssid_len); | |
1262 | creq->ssids[0].ssid_len = sme->ssid_len; | |
1263 | } else { | |
1264 | /* No channels found... */ | |
1265 | kfree(creq); | |
1266 | creq = NULL; | |
1267 | } | |
e86dc1ca | 1268 | |
cc026819 DW |
1269 | return creq; |
1270 | } | |
e86dc1ca KD |
1271 | |
1272 | static int lbs_cfg_connect(struct wiphy *wiphy, struct net_device *dev, | |
1273 | struct cfg80211_connect_params *sme) | |
1274 | { | |
1275 | struct lbs_private *priv = wiphy_priv(wiphy); | |
1276 | struct cfg80211_bss *bss = NULL; | |
1277 | int ret = 0; | |
1278 | u8 preamble = RADIO_PREAMBLE_SHORT; | |
1279 | ||
49fee692 DD |
1280 | if (dev == priv->mesh_dev) |
1281 | return -EOPNOTSUPP; | |
1282 | ||
cc026819 | 1283 | if (!sme->bssid) { |
b4c3f34a | 1284 | struct cfg80211_scan_request *creq; |
e86dc1ca | 1285 | |
b4c3f34a DD |
1286 | /* |
1287 | * Scan for the requested network after waiting for existing | |
1288 | * scans to finish. | |
1289 | */ | |
1290 | lbs_deb_assoc("assoc: waiting for existing scans\n"); | |
1291 | wait_event_interruptible_timeout(priv->scan_q, | |
1292 | (priv->scan_req == NULL), | |
1293 | (15 * HZ)); | |
cc026819 | 1294 | |
b4c3f34a DD |
1295 | creq = _new_connect_scan_req(wiphy, sme); |
1296 | if (!creq) { | |
1297 | ret = -EINVAL; | |
1298 | goto done; | |
cc026819 DW |
1299 | } |
1300 | ||
b4c3f34a DD |
1301 | lbs_deb_assoc("assoc: scanning for compatible AP\n"); |
1302 | _internal_start_scan(priv, true, creq); | |
1303 | ||
cc026819 DW |
1304 | lbs_deb_assoc("assoc: waiting for scan to complete\n"); |
1305 | wait_event_interruptible_timeout(priv->scan_q, | |
1306 | (priv->scan_req == NULL), | |
1307 | (15 * HZ)); | |
1a84db56 | 1308 | lbs_deb_assoc("assoc: scanning completed\n"); |
cc026819 | 1309 | } |
e86dc1ca | 1310 | |
cc026819 DW |
1311 | /* Find the BSS we want using available scan results */ |
1312 | bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, | |
6eb18137 DL |
1313 | sme->ssid, sme->ssid_len, IEEE80211_BSS_TYPE_ESS, |
1314 | IEEE80211_PRIVACY_ANY); | |
e86dc1ca | 1315 | if (!bss) { |
f3a57fd1 JP |
1316 | wiphy_err(wiphy, "assoc: bss %pM not in scan results\n", |
1317 | sme->bssid); | |
e86dc1ca KD |
1318 | ret = -ENOENT; |
1319 | goto done; | |
1320 | } | |
cc026819 | 1321 | lbs_deb_assoc("trying %pM\n", bss->bssid); |
e86dc1ca KD |
1322 | lbs_deb_assoc("cipher 0x%x, key index %d, key len %d\n", |
1323 | sme->crypto.cipher_group, | |
1324 | sme->key_idx, sme->key_len); | |
1325 | ||
1326 | /* As this is a new connection, clear locally stored WEP keys */ | |
1327 | priv->wep_tx_key = 0; | |
1328 | memset(priv->wep_key, 0, sizeof(priv->wep_key)); | |
1329 | memset(priv->wep_key_len, 0, sizeof(priv->wep_key_len)); | |
1330 | ||
1331 | /* set/remove WEP keys */ | |
1332 | switch (sme->crypto.cipher_group) { | |
1333 | case WLAN_CIPHER_SUITE_WEP40: | |
1334 | case WLAN_CIPHER_SUITE_WEP104: | |
1335 | /* Store provided WEP keys in priv-> */ | |
1336 | priv->wep_tx_key = sme->key_idx; | |
1337 | priv->wep_key_len[sme->key_idx] = sme->key_len; | |
1338 | memcpy(priv->wep_key[sme->key_idx], sme->key, sme->key_len); | |
1339 | /* Set WEP keys and WEP mode */ | |
1340 | lbs_set_wep_keys(priv); | |
1341 | priv->mac_control |= CMD_ACT_MAC_WEP_ENABLE; | |
1342 | lbs_set_mac_control(priv); | |
1343 | /* No RSN mode for WEP */ | |
1344 | lbs_enable_rsn(priv, 0); | |
1345 | break; | |
1346 | case 0: /* there's no WLAN_CIPHER_SUITE_NONE definition */ | |
1347 | /* | |
1348 | * If we don't have no WEP, no WPA and no WPA2, | |
1349 | * we remove all keys like in the WPA/WPA2 setup, | |
1350 | * we just don't set RSN. | |
1351 | * | |
25985edc | 1352 | * Therefore: fall-through |
e86dc1ca KD |
1353 | */ |
1354 | case WLAN_CIPHER_SUITE_TKIP: | |
1355 | case WLAN_CIPHER_SUITE_CCMP: | |
1356 | /* Remove WEP keys and WEP mode */ | |
1357 | lbs_remove_wep_keys(priv); | |
1358 | priv->mac_control &= ~CMD_ACT_MAC_WEP_ENABLE; | |
1359 | lbs_set_mac_control(priv); | |
1360 | ||
1361 | /* clear the WPA/WPA2 keys */ | |
1362 | lbs_set_key_material(priv, | |
1363 | KEY_TYPE_ID_WEP, /* doesn't matter */ | |
1364 | KEY_INFO_WPA_UNICAST, | |
1365 | NULL, 0); | |
1366 | lbs_set_key_material(priv, | |
1367 | KEY_TYPE_ID_WEP, /* doesn't matter */ | |
1368 | KEY_INFO_WPA_MCAST, | |
1369 | NULL, 0); | |
1370 | /* RSN mode for WPA/WPA2 */ | |
1371 | lbs_enable_rsn(priv, sme->crypto.cipher_group != 0); | |
1372 | break; | |
1373 | default: | |
f3a57fd1 JP |
1374 | wiphy_err(wiphy, "unsupported cipher group 0x%x\n", |
1375 | sme->crypto.cipher_group); | |
e86dc1ca KD |
1376 | ret = -ENOTSUPP; |
1377 | goto done; | |
1378 | } | |
1379 | ||
effcc625 AK |
1380 | ret = lbs_set_authtype(priv, sme); |
1381 | if (ret == -ENOTSUPP) { | |
1382 | wiphy_err(wiphy, "unsupported authtype 0x%x\n", sme->auth_type); | |
1383 | goto done; | |
1384 | } | |
1385 | ||
e86dc1ca KD |
1386 | lbs_set_radio(priv, preamble, 1); |
1387 | ||
1388 | /* Do the actual association */ | |
cc026819 | 1389 | ret = lbs_associate(priv, bss, sme); |
e86dc1ca KD |
1390 | |
1391 | done: | |
1392 | if (bss) | |
5b112d3d | 1393 | cfg80211_put_bss(wiphy, bss); |
e86dc1ca KD |
1394 | return ret; |
1395 | } | |
1396 | ||
d2e7b342 | 1397 | int lbs_disconnect(struct lbs_private *priv, u16 reason) |
e86dc1ca | 1398 | { |
e86dc1ca | 1399 | struct cmd_ds_802_11_deauthenticate cmd; |
d2e7b342 | 1400 | int ret; |
e86dc1ca KD |
1401 | |
1402 | memset(&cmd, 0, sizeof(cmd)); | |
1403 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
1404 | /* Mildly ugly to use a locally store my own BSSID ... */ | |
1405 | memcpy(cmd.macaddr, &priv->assoc_bss, ETH_ALEN); | |
d2e7b342 | 1406 | cmd.reasoncode = cpu_to_le16(reason); |
e86dc1ca | 1407 | |
d2e7b342 DD |
1408 | ret = lbs_cmd_with_response(priv, CMD_802_11_DEAUTHENTICATE, &cmd); |
1409 | if (ret) | |
1410 | return ret; | |
e4fe4eaf KD |
1411 | |
1412 | cfg80211_disconnected(priv->dev, | |
d2e7b342 | 1413 | reason, |
80279fb7 | 1414 | NULL, 0, true, |
e4fe4eaf KD |
1415 | GFP_KERNEL); |
1416 | priv->connect_status = LBS_DISCONNECTED; | |
e86dc1ca KD |
1417 | |
1418 | return 0; | |
1419 | } | |
1420 | ||
d2e7b342 DD |
1421 | static int lbs_cfg_disconnect(struct wiphy *wiphy, struct net_device *dev, |
1422 | u16 reason_code) | |
1423 | { | |
1424 | struct lbs_private *priv = wiphy_priv(wiphy); | |
1425 | ||
1426 | if (dev == priv->mesh_dev) | |
1427 | return -EOPNOTSUPP; | |
1428 | ||
d2e7b342 DD |
1429 | /* store for lbs_cfg_ret_disconnect() */ |
1430 | priv->disassoc_reason = reason_code; | |
1431 | ||
1432 | return lbs_disconnect(priv, reason_code); | |
1433 | } | |
e86dc1ca KD |
1434 | |
1435 | static int lbs_cfg_set_default_key(struct wiphy *wiphy, | |
1436 | struct net_device *netdev, | |
dbd2fd65 JB |
1437 | u8 key_index, bool unicast, |
1438 | bool multicast) | |
e86dc1ca KD |
1439 | { |
1440 | struct lbs_private *priv = wiphy_priv(wiphy); | |
1441 | ||
49fee692 DD |
1442 | if (netdev == priv->mesh_dev) |
1443 | return -EOPNOTSUPP; | |
1444 | ||
e86dc1ca KD |
1445 | if (key_index != priv->wep_tx_key) { |
1446 | lbs_deb_assoc("set_default_key: to %d\n", key_index); | |
1447 | priv->wep_tx_key = key_index; | |
1448 | lbs_set_wep_keys(priv); | |
1449 | } | |
1450 | ||
1451 | return 0; | |
1452 | } | |
1453 | ||
1454 | ||
1455 | static int lbs_cfg_add_key(struct wiphy *wiphy, struct net_device *netdev, | |
e31b8213 | 1456 | u8 idx, bool pairwise, const u8 *mac_addr, |
e86dc1ca KD |
1457 | struct key_params *params) |
1458 | { | |
1459 | struct lbs_private *priv = wiphy_priv(wiphy); | |
1460 | u16 key_info; | |
1461 | u16 key_type; | |
1462 | int ret = 0; | |
1463 | ||
49fee692 DD |
1464 | if (netdev == priv->mesh_dev) |
1465 | return -EOPNOTSUPP; | |
1466 | ||
e86dc1ca KD |
1467 | lbs_deb_assoc("add_key: cipher 0x%x, mac_addr %pM\n", |
1468 | params->cipher, mac_addr); | |
1469 | lbs_deb_assoc("add_key: key index %d, key len %d\n", | |
1470 | idx, params->key_len); | |
1471 | if (params->key_len) | |
1472 | lbs_deb_hex(LBS_DEB_CFG80211, "KEY", | |
1473 | params->key, params->key_len); | |
1474 | ||
1475 | lbs_deb_assoc("add_key: seq len %d\n", params->seq_len); | |
1476 | if (params->seq_len) | |
1477 | lbs_deb_hex(LBS_DEB_CFG80211, "SEQ", | |
1478 | params->seq, params->seq_len); | |
1479 | ||
1480 | switch (params->cipher) { | |
1481 | case WLAN_CIPHER_SUITE_WEP40: | |
1482 | case WLAN_CIPHER_SUITE_WEP104: | |
1483 | /* actually compare if something has changed ... */ | |
1484 | if ((priv->wep_key_len[idx] != params->key_len) || | |
1485 | memcmp(priv->wep_key[idx], | |
1486 | params->key, params->key_len) != 0) { | |
1487 | priv->wep_key_len[idx] = params->key_len; | |
1488 | memcpy(priv->wep_key[idx], | |
1489 | params->key, params->key_len); | |
1490 | lbs_set_wep_keys(priv); | |
1491 | } | |
1492 | break; | |
1493 | case WLAN_CIPHER_SUITE_TKIP: | |
1494 | case WLAN_CIPHER_SUITE_CCMP: | |
1495 | key_info = KEY_INFO_WPA_ENABLED | ((idx == 0) | |
1496 | ? KEY_INFO_WPA_UNICAST | |
1497 | : KEY_INFO_WPA_MCAST); | |
1498 | key_type = (params->cipher == WLAN_CIPHER_SUITE_TKIP) | |
1499 | ? KEY_TYPE_ID_TKIP | |
1500 | : KEY_TYPE_ID_AES; | |
1501 | lbs_set_key_material(priv, | |
1502 | key_type, | |
1503 | key_info, | |
1504 | params->key, params->key_len); | |
1505 | break; | |
1506 | default: | |
f3a57fd1 | 1507 | wiphy_err(wiphy, "unhandled cipher 0x%x\n", params->cipher); |
e86dc1ca KD |
1508 | ret = -ENOTSUPP; |
1509 | break; | |
1510 | } | |
1511 | ||
1512 | return ret; | |
1513 | } | |
1514 | ||
1515 | ||
1516 | static int lbs_cfg_del_key(struct wiphy *wiphy, struct net_device *netdev, | |
e31b8213 | 1517 | u8 key_index, bool pairwise, const u8 *mac_addr) |
e86dc1ca KD |
1518 | { |
1519 | ||
e86dc1ca KD |
1520 | lbs_deb_assoc("del_key: key_idx %d, mac_addr %pM\n", |
1521 | key_index, mac_addr); | |
1522 | ||
1523 | #ifdef TODO | |
1524 | struct lbs_private *priv = wiphy_priv(wiphy); | |
1525 | /* | |
1526 | * I think can keep this a NO-OP, because: | |
1527 | ||
1528 | * - we clear all keys whenever we do lbs_cfg_connect() anyway | |
1529 | * - neither "iw" nor "wpa_supplicant" won't call this during | |
1530 | * an ongoing connection | |
1531 | * - TODO: but I have to check if this is still true when | |
1532 | * I set the AP to periodic re-keying | |
1533 | * - we've not kzallec() something when we've added a key at | |
1534 | * lbs_cfg_connect() or lbs_cfg_add_key(). | |
1535 | * | |
1536 | * This causes lbs_cfg_del_key() only called at disconnect time, | |
1537 | * where we'd just waste time deleting a key that is not going | |
1538 | * to be used anyway. | |
1539 | */ | |
1540 | if (key_index < 3 && priv->wep_key_len[key_index]) { | |
1541 | priv->wep_key_len[key_index] = 0; | |
1542 | lbs_set_wep_keys(priv); | |
1543 | } | |
1544 | #endif | |
1545 | ||
1546 | return 0; | |
1547 | } | |
1548 | ||
1549 | ||
8973a6e7 | 1550 | /* |
e86dc1ca KD |
1551 | * Get station |
1552 | */ | |
1553 | ||
e86dc1ca | 1554 | static int lbs_cfg_get_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 1555 | const u8 *mac, struct station_info *sinfo) |
e86dc1ca KD |
1556 | { |
1557 | struct lbs_private *priv = wiphy_priv(wiphy); | |
1558 | s8 signal, noise; | |
1559 | int ret; | |
1560 | size_t i; | |
1561 | ||
319090bf JB |
1562 | sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES) | |
1563 | BIT(NL80211_STA_INFO_TX_PACKETS) | | |
1564 | BIT(NL80211_STA_INFO_RX_BYTES) | | |
1565 | BIT(NL80211_STA_INFO_RX_PACKETS); | |
e86dc1ca KD |
1566 | sinfo->tx_bytes = priv->dev->stats.tx_bytes; |
1567 | sinfo->tx_packets = priv->dev->stats.tx_packets; | |
1568 | sinfo->rx_bytes = priv->dev->stats.rx_bytes; | |
1569 | sinfo->rx_packets = priv->dev->stats.rx_packets; | |
1570 | ||
1571 | /* Get current RSSI */ | |
9fb7663d | 1572 | ret = lbs_get_rssi(priv, &signal, &noise); |
e86dc1ca KD |
1573 | if (ret == 0) { |
1574 | sinfo->signal = signal; | |
319090bf | 1575 | sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); |
e86dc1ca KD |
1576 | } |
1577 | ||
1578 | /* Convert priv->cur_rate from hw_value to NL80211 value */ | |
1579 | for (i = 0; i < ARRAY_SIZE(lbs_rates); i++) { | |
1580 | if (priv->cur_rate == lbs_rates[i].hw_value) { | |
1581 | sinfo->txrate.legacy = lbs_rates[i].bitrate; | |
319090bf | 1582 | sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); |
e86dc1ca KD |
1583 | break; |
1584 | } | |
1585 | } | |
1586 | ||
1587 | return 0; | |
1588 | } | |
1589 | ||
1590 | ||
1591 | ||
1592 | ||
8973a6e7 | 1593 | /* |
e86dc1ca KD |
1594 | * Change interface |
1595 | */ | |
1596 | ||
1597 | static int lbs_change_intf(struct wiphy *wiphy, struct net_device *dev, | |
818a986e | 1598 | enum nl80211_iftype type, |
e86dc1ca KD |
1599 | struct vif_params *params) |
1600 | { | |
1601 | struct lbs_private *priv = wiphy_priv(wiphy); | |
1602 | int ret = 0; | |
1603 | ||
49fee692 DD |
1604 | if (dev == priv->mesh_dev) |
1605 | return -EOPNOTSUPP; | |
1606 | ||
e86dc1ca KD |
1607 | switch (type) { |
1608 | case NL80211_IFTYPE_MONITOR: | |
e86dc1ca | 1609 | case NL80211_IFTYPE_STATION: |
e86dc1ca | 1610 | case NL80211_IFTYPE_ADHOC: |
e86dc1ca KD |
1611 | break; |
1612 | default: | |
5c1381ac | 1613 | return -EOPNOTSUPP; |
e86dc1ca KD |
1614 | } |
1615 | ||
5c1381ac DD |
1616 | if (priv->iface_running) |
1617 | ret = lbs_set_iface_type(priv, type); | |
1618 | ||
e86dc1ca KD |
1619 | if (!ret) |
1620 | priv->wdev->iftype = type; | |
1621 | ||
e86dc1ca KD |
1622 | return ret; |
1623 | } | |
1624 | ||
1625 | ||
1626 | ||
8973a6e7 | 1627 | /* |
e86dc1ca KD |
1628 | * IBSS (Ad-Hoc) |
1629 | */ | |
1630 | ||
8973a6e7 RD |
1631 | /* |
1632 | * The firmware needs the following bits masked out of the beacon-derived | |
e86dc1ca KD |
1633 | * capability field when associating/joining to a BSS: |
1634 | * 9 (QoS), 11 (APSD), 12 (unused), 14 (unused), 15 (unused) | |
1635 | */ | |
1636 | #define CAPINFO_MASK (~(0xda00)) | |
1637 | ||
1638 | ||
1639 | static void lbs_join_post(struct lbs_private *priv, | |
1640 | struct cfg80211_ibss_params *params, | |
1641 | u8 *bssid, u16 capability) | |
1642 | { | |
1643 | u8 fake_ie[2 + IEEE80211_MAX_SSID_LEN + /* ssid */ | |
1644 | 2 + 4 + /* basic rates */ | |
1645 | 2 + 1 + /* DS parameter */ | |
1646 | 2 + 2 + /* atim */ | |
1647 | 2 + 8]; /* extended rates */ | |
1648 | u8 *fake = fake_ie; | |
731f8e1c | 1649 | struct cfg80211_bss *bss; |
e86dc1ca | 1650 | |
e86dc1ca KD |
1651 | /* |
1652 | * For cfg80211_inform_bss, we'll need a fake IE, as we can't get | |
1653 | * the real IE from the firmware. So we fabricate a fake IE based on | |
1654 | * what the firmware actually sends (sniffed with wireshark). | |
1655 | */ | |
1656 | /* Fake SSID IE */ | |
1657 | *fake++ = WLAN_EID_SSID; | |
1658 | *fake++ = params->ssid_len; | |
1659 | memcpy(fake, params->ssid, params->ssid_len); | |
1660 | fake += params->ssid_len; | |
1661 | /* Fake supported basic rates IE */ | |
1662 | *fake++ = WLAN_EID_SUPP_RATES; | |
1663 | *fake++ = 4; | |
1664 | *fake++ = 0x82; | |
1665 | *fake++ = 0x84; | |
1666 | *fake++ = 0x8b; | |
1667 | *fake++ = 0x96; | |
1668 | /* Fake DS channel IE */ | |
1669 | *fake++ = WLAN_EID_DS_PARAMS; | |
1670 | *fake++ = 1; | |
683b6d3b | 1671 | *fake++ = params->chandef.chan->hw_value; |
e86dc1ca KD |
1672 | /* Fake IBSS params IE */ |
1673 | *fake++ = WLAN_EID_IBSS_PARAMS; | |
1674 | *fake++ = 2; | |
1675 | *fake++ = 0; /* ATIM=0 */ | |
1676 | *fake++ = 0; | |
1677 | /* Fake extended rates IE, TODO: don't add this for 802.11b only, | |
1678 | * but I don't know how this could be checked */ | |
1679 | *fake++ = WLAN_EID_EXT_SUPP_RATES; | |
1680 | *fake++ = 8; | |
1681 | *fake++ = 0x0c; | |
1682 | *fake++ = 0x12; | |
1683 | *fake++ = 0x18; | |
1684 | *fake++ = 0x24; | |
1685 | *fake++ = 0x30; | |
1686 | *fake++ = 0x48; | |
1687 | *fake++ = 0x60; | |
1688 | *fake++ = 0x6c; | |
1689 | lbs_deb_hex(LBS_DEB_CFG80211, "IE", fake_ie, fake - fake_ie); | |
1690 | ||
731f8e1c | 1691 | bss = cfg80211_inform_bss(priv->wdev->wiphy, |
683b6d3b | 1692 | params->chandef.chan, |
5bc8c1f2 | 1693 | CFG80211_BSS_FTYPE_UNKNOWN, |
731f8e1c JL |
1694 | bssid, |
1695 | 0, | |
1696 | capability, | |
1697 | params->beacon_interval, | |
1698 | fake_ie, fake - fake_ie, | |
1699 | 0, GFP_KERNEL); | |
5b112d3d | 1700 | cfg80211_put_bss(priv->wdev->wiphy, bss); |
e4fe4eaf KD |
1701 | |
1702 | memcpy(priv->wdev->ssid, params->ssid, params->ssid_len); | |
1703 | priv->wdev->ssid_len = params->ssid_len; | |
1704 | ||
fe94f3a4 AQ |
1705 | cfg80211_ibss_joined(priv->dev, bssid, params->chandef.chan, |
1706 | GFP_KERNEL); | |
e86dc1ca KD |
1707 | |
1708 | /* TODO: consider doing this at MACREG_INT_CODE_LINK_SENSED time */ | |
1709 | priv->connect_status = LBS_CONNECTED; | |
1710 | netif_carrier_on(priv->dev); | |
1711 | if (!priv->tx_pending_len) | |
1712 | netif_wake_queue(priv->dev); | |
e86dc1ca KD |
1713 | } |
1714 | ||
1715 | static int lbs_ibss_join_existing(struct lbs_private *priv, | |
1716 | struct cfg80211_ibss_params *params, | |
1717 | struct cfg80211_bss *bss) | |
1718 | { | |
9caf0364 | 1719 | const u8 *rates_eid; |
e86dc1ca KD |
1720 | struct cmd_ds_802_11_ad_hoc_join cmd; |
1721 | u8 preamble = RADIO_PREAMBLE_SHORT; | |
1722 | int ret = 0; | |
1723 | ||
e86dc1ca KD |
1724 | /* TODO: set preamble based on scan result */ |
1725 | ret = lbs_set_radio(priv, preamble, 1); | |
1726 | if (ret) | |
1727 | goto out; | |
1728 | ||
1729 | /* | |
1730 | * Example CMD_802_11_AD_HOC_JOIN command: | |
1731 | * | |
1732 | * command 2c 00 CMD_802_11_AD_HOC_JOIN | |
1733 | * size 65 00 | |
1734 | * sequence xx xx | |
1735 | * result 00 00 | |
1736 | * bssid 02 27 27 97 2f 96 | |
1737 | * ssid 49 42 53 53 00 00 00 00 | |
1738 | * 00 00 00 00 00 00 00 00 | |
1739 | * 00 00 00 00 00 00 00 00 | |
1740 | * 00 00 00 00 00 00 00 00 | |
1741 | * type 02 CMD_BSS_TYPE_IBSS | |
1742 | * beacon period 64 00 | |
1743 | * dtim period 00 | |
1744 | * timestamp 00 00 00 00 00 00 00 00 | |
1745 | * localtime 00 00 00 00 00 00 00 00 | |
1746 | * IE DS 03 | |
1747 | * IE DS len 01 | |
1748 | * IE DS channel 01 | |
1749 | * reserveed 00 00 00 00 | |
1750 | * IE IBSS 06 | |
1751 | * IE IBSS len 02 | |
1752 | * IE IBSS atim 00 00 | |
1753 | * reserved 00 00 00 00 | |
1754 | * capability 02 00 | |
1755 | * rates 82 84 8b 96 0c 12 18 24 30 48 60 6c 00 | |
1756 | * fail timeout ff 00 | |
1757 | * probe delay 00 00 | |
1758 | */ | |
1759 | memset(&cmd, 0, sizeof(cmd)); | |
1760 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
1761 | ||
1762 | memcpy(cmd.bss.bssid, bss->bssid, ETH_ALEN); | |
1763 | memcpy(cmd.bss.ssid, params->ssid, params->ssid_len); | |
1764 | cmd.bss.type = CMD_BSS_TYPE_IBSS; | |
1765 | cmd.bss.beaconperiod = cpu_to_le16(params->beacon_interval); | |
1766 | cmd.bss.ds.header.id = WLAN_EID_DS_PARAMS; | |
1767 | cmd.bss.ds.header.len = 1; | |
683b6d3b | 1768 | cmd.bss.ds.channel = params->chandef.chan->hw_value; |
e86dc1ca KD |
1769 | cmd.bss.ibss.header.id = WLAN_EID_IBSS_PARAMS; |
1770 | cmd.bss.ibss.header.len = 2; | |
1771 | cmd.bss.ibss.atimwindow = 0; | |
1772 | cmd.bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK); | |
1773 | ||
1774 | /* set rates to the intersection of our rates and the rates in the | |
1775 | bss */ | |
9caf0364 JB |
1776 | rcu_read_lock(); |
1777 | rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES); | |
e86dc1ca KD |
1778 | if (!rates_eid) { |
1779 | lbs_add_rates(cmd.bss.rates); | |
1780 | } else { | |
1781 | int hw, i; | |
1782 | u8 rates_max = rates_eid[1]; | |
1783 | u8 *rates = cmd.bss.rates; | |
1784 | for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) { | |
1785 | u8 hw_rate = lbs_rates[hw].bitrate / 5; | |
1786 | for (i = 0; i < rates_max; i++) { | |
1787 | if (hw_rate == (rates_eid[i+2] & 0x7f)) { | |
1788 | u8 rate = rates_eid[i+2]; | |
1789 | if (rate == 0x02 || rate == 0x04 || | |
1790 | rate == 0x0b || rate == 0x16) | |
1791 | rate |= 0x80; | |
1792 | *rates++ = rate; | |
1793 | } | |
1794 | } | |
1795 | } | |
1796 | } | |
9caf0364 | 1797 | rcu_read_unlock(); |
e86dc1ca KD |
1798 | |
1799 | /* Only v8 and below support setting this */ | |
1800 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8) { | |
1801 | cmd.failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT); | |
1802 | cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME); | |
1803 | } | |
1804 | ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_JOIN, &cmd); | |
1805 | if (ret) | |
1806 | goto out; | |
1807 | ||
1808 | /* | |
1809 | * This is a sample response to CMD_802_11_AD_HOC_JOIN: | |
1810 | * | |
1811 | * response 2c 80 | |
1812 | * size 09 00 | |
1813 | * sequence xx xx | |
1814 | * result 00 00 | |
1815 | * reserved 00 | |
1816 | */ | |
1817 | lbs_join_post(priv, params, bss->bssid, bss->capability); | |
1818 | ||
1819 | out: | |
e86dc1ca KD |
1820 | return ret; |
1821 | } | |
1822 | ||
1823 | ||
1824 | ||
1825 | static int lbs_ibss_start_new(struct lbs_private *priv, | |
1826 | struct cfg80211_ibss_params *params) | |
1827 | { | |
1828 | struct cmd_ds_802_11_ad_hoc_start cmd; | |
1829 | struct cmd_ds_802_11_ad_hoc_result *resp = | |
1830 | (struct cmd_ds_802_11_ad_hoc_result *) &cmd; | |
1831 | u8 preamble = RADIO_PREAMBLE_SHORT; | |
1832 | int ret = 0; | |
1833 | u16 capability; | |
1834 | ||
e86dc1ca KD |
1835 | ret = lbs_set_radio(priv, preamble, 1); |
1836 | if (ret) | |
1837 | goto out; | |
1838 | ||
1839 | /* | |
1840 | * Example CMD_802_11_AD_HOC_START command: | |
1841 | * | |
1842 | * command 2b 00 CMD_802_11_AD_HOC_START | |
1843 | * size b1 00 | |
1844 | * sequence xx xx | |
1845 | * result 00 00 | |
1846 | * ssid 54 45 53 54 00 00 00 00 | |
1847 | * 00 00 00 00 00 00 00 00 | |
1848 | * 00 00 00 00 00 00 00 00 | |
1849 | * 00 00 00 00 00 00 00 00 | |
1850 | * bss type 02 | |
1851 | * beacon period 64 00 | |
1852 | * dtim period 00 | |
1853 | * IE IBSS 06 | |
1854 | * IE IBSS len 02 | |
1855 | * IE IBSS atim 00 00 | |
1856 | * reserved 00 00 00 00 | |
1857 | * IE DS 03 | |
1858 | * IE DS len 01 | |
1859 | * IE DS channel 01 | |
1860 | * reserved 00 00 00 00 | |
1861 | * probe delay 00 00 | |
1862 | * capability 02 00 | |
1863 | * rates 82 84 8b 96 (basic rates with have bit 7 set) | |
1864 | * 0c 12 18 24 30 48 60 6c | |
1865 | * padding 100 bytes | |
1866 | */ | |
1867 | memset(&cmd, 0, sizeof(cmd)); | |
1868 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
1869 | memcpy(cmd.ssid, params->ssid, params->ssid_len); | |
1870 | cmd.bsstype = CMD_BSS_TYPE_IBSS; | |
1871 | cmd.beaconperiod = cpu_to_le16(params->beacon_interval); | |
1872 | cmd.ibss.header.id = WLAN_EID_IBSS_PARAMS; | |
1873 | cmd.ibss.header.len = 2; | |
1874 | cmd.ibss.atimwindow = 0; | |
1875 | cmd.ds.header.id = WLAN_EID_DS_PARAMS; | |
1876 | cmd.ds.header.len = 1; | |
683b6d3b | 1877 | cmd.ds.channel = params->chandef.chan->hw_value; |
e86dc1ca KD |
1878 | /* Only v8 and below support setting probe delay */ |
1879 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8) | |
1880 | cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME); | |
1881 | /* TODO: mix in WLAN_CAPABILITY_PRIVACY */ | |
1882 | capability = WLAN_CAPABILITY_IBSS; | |
1883 | cmd.capability = cpu_to_le16(capability); | |
1884 | lbs_add_rates(cmd.rates); | |
1885 | ||
1886 | ||
1887 | ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_START, &cmd); | |
1888 | if (ret) | |
1889 | goto out; | |
1890 | ||
1891 | /* | |
1892 | * This is a sample response to CMD_802_11_AD_HOC_JOIN: | |
1893 | * | |
1894 | * response 2b 80 | |
1895 | * size 14 00 | |
1896 | * sequence xx xx | |
1897 | * result 00 00 | |
1898 | * reserved 00 | |
1899 | * bssid 02 2b 7b 0f 86 0e | |
1900 | */ | |
1901 | lbs_join_post(priv, params, resp->bssid, capability); | |
1902 | ||
1903 | out: | |
e86dc1ca KD |
1904 | return ret; |
1905 | } | |
1906 | ||
1907 | ||
1908 | static int lbs_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
1909 | struct cfg80211_ibss_params *params) | |
1910 | { | |
1911 | struct lbs_private *priv = wiphy_priv(wiphy); | |
1912 | int ret = 0; | |
1913 | struct cfg80211_bss *bss; | |
e86dc1ca | 1914 | |
49fee692 DD |
1915 | if (dev == priv->mesh_dev) |
1916 | return -EOPNOTSUPP; | |
1917 | ||
683b6d3b | 1918 | if (!params->chandef.chan) { |
e86dc1ca KD |
1919 | ret = -ENOTSUPP; |
1920 | goto out; | |
1921 | } | |
1922 | ||
683b6d3b | 1923 | ret = lbs_set_channel(priv, params->chandef.chan->hw_value); |
e86dc1ca | 1924 | if (ret) |
ff9fc791 HS |
1925 | goto out; |
1926 | ||
e86dc1ca KD |
1927 | /* Search if someone is beaconing. This assumes that the |
1928 | * bss list is populated already */ | |
683b6d3b | 1929 | bss = cfg80211_get_bss(wiphy, params->chandef.chan, params->bssid, |
e86dc1ca | 1930 | params->ssid, params->ssid_len, |
6eb18137 | 1931 | IEEE80211_BSS_TYPE_IBSS, IEEE80211_PRIVACY_ANY); |
e86dc1ca KD |
1932 | |
1933 | if (bss) { | |
1934 | ret = lbs_ibss_join_existing(priv, params, bss); | |
5b112d3d | 1935 | cfg80211_put_bss(wiphy, bss); |
e86dc1ca KD |
1936 | } else |
1937 | ret = lbs_ibss_start_new(priv, params); | |
1938 | ||
ff9fc791 HS |
1939 | |
1940 | out: | |
ff9fc791 HS |
1941 | return ret; |
1942 | } | |
1943 | ||
1944 | ||
e86dc1ca KD |
1945 | static int lbs_leave_ibss(struct wiphy *wiphy, struct net_device *dev) |
1946 | { | |
1947 | struct lbs_private *priv = wiphy_priv(wiphy); | |
1948 | struct cmd_ds_802_11_ad_hoc_stop cmd; | |
1949 | int ret = 0; | |
1950 | ||
49fee692 DD |
1951 | if (dev == priv->mesh_dev) |
1952 | return -EOPNOTSUPP; | |
1953 | ||
e86dc1ca KD |
1954 | memset(&cmd, 0, sizeof(cmd)); |
1955 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
1956 | ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_STOP, &cmd); | |
1957 | ||
1958 | /* TODO: consider doing this at MACREG_INT_CODE_ADHOC_BCN_LOST time */ | |
80279fb7 | 1959 | lbs_mac_event_disconnected(priv, true); |
e86dc1ca | 1960 | |
e86dc1ca KD |
1961 | return ret; |
1962 | } | |
1963 | ||
ff9fc791 HS |
1964 | |
1965 | ||
83d58d53 WY |
1966 | static int lbs_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
1967 | bool enabled, int timeout) | |
143e4945 AK |
1968 | { |
1969 | struct lbs_private *priv = wiphy_priv(wiphy); | |
1970 | ||
1971 | if (!(priv->fwcapinfo & FW_CAPINFO_PS)) { | |
1972 | if (!enabled) | |
1973 | return 0; | |
1974 | else | |
1975 | return -EINVAL; | |
1976 | } | |
1977 | /* firmware does not work well with too long latency with power saving | |
1978 | * enabled, so do not enable it if there is only polling, no | |
1979 | * interrupts (like in some sdio hosts which can only | |
1980 | * poll for sdio irqs) | |
1981 | */ | |
1982 | if (priv->is_polling) { | |
1983 | if (!enabled) | |
1984 | return 0; | |
1985 | else | |
1986 | return -EINVAL; | |
1987 | } | |
1988 | if (!enabled) { | |
1989 | priv->psmode = LBS802_11POWERMODECAM; | |
1990 | if (priv->psstate != PS_STATE_FULL_POWER) | |
1991 | lbs_set_ps_mode(priv, | |
1992 | PS_MODE_ACTION_EXIT_PS, | |
1993 | true); | |
1994 | return 0; | |
1995 | } | |
1996 | if (priv->psmode != LBS802_11POWERMODECAM) | |
1997 | return 0; | |
1998 | priv->psmode = LBS802_11POWERMODEMAX_PSP; | |
1999 | if (priv->connect_status == LBS_CONNECTED) | |
2000 | lbs_set_ps_mode(priv, PS_MODE_ACTION_ENTER_PS, true); | |
2001 | return 0; | |
2002 | } | |
e86dc1ca | 2003 | |
8973a6e7 | 2004 | /* |
e86dc1ca KD |
2005 | * Initialization |
2006 | */ | |
2007 | ||
26eb994d | 2008 | static const struct cfg80211_ops lbs_cfg80211_ops = { |
e8c9bd5b JB |
2009 | .set_monitor_channel = lbs_cfg_set_monitor_channel, |
2010 | .libertas_set_mesh_channel = lbs_cfg_set_mesh_channel, | |
e86dc1ca KD |
2011 | .scan = lbs_cfg_scan, |
2012 | .connect = lbs_cfg_connect, | |
2013 | .disconnect = lbs_cfg_disconnect, | |
2014 | .add_key = lbs_cfg_add_key, | |
2015 | .del_key = lbs_cfg_del_key, | |
2016 | .set_default_key = lbs_cfg_set_default_key, | |
2017 | .get_station = lbs_cfg_get_station, | |
e86dc1ca KD |
2018 | .change_virtual_intf = lbs_change_intf, |
2019 | .join_ibss = lbs_join_ibss, | |
2020 | .leave_ibss = lbs_leave_ibss, | |
143e4945 | 2021 | .set_power_mgmt = lbs_set_power_mgmt, |
ff9fc791 HS |
2022 | }; |
2023 | ||
2024 | ||
2025 | /* | |
2026 | * At this time lbs_private *priv doesn't even exist, so we just allocate | |
2027 | * memory and don't initialize the wiphy further. This is postponed until we | |
2028 | * can talk to the firmware and happens at registration time in | |
2029 | * lbs_cfg_wiphy_register(). | |
2030 | */ | |
2031 | struct wireless_dev *lbs_cfg_alloc(struct device *dev) | |
2032 | { | |
2033 | int ret = 0; | |
2034 | struct wireless_dev *wdev; | |
2035 | ||
ff9fc791 | 2036 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
0d2e7a5c | 2037 | if (!wdev) |
ff9fc791 | 2038 | return ERR_PTR(-ENOMEM); |
ff9fc791 HS |
2039 | |
2040 | wdev->wiphy = wiphy_new(&lbs_cfg80211_ops, sizeof(struct lbs_private)); | |
2041 | if (!wdev->wiphy) { | |
2042 | dev_err(dev, "cannot allocate wiphy\n"); | |
2043 | ret = -ENOMEM; | |
2044 | goto err_wiphy_new; | |
2045 | } | |
2046 | ||
ff9fc791 HS |
2047 | return wdev; |
2048 | ||
2049 | err_wiphy_new: | |
2050 | kfree(wdev); | |
ff9fc791 HS |
2051 | return ERR_PTR(ret); |
2052 | } | |
2053 | ||
2054 | ||
e86dc1ca KD |
2055 | static void lbs_cfg_set_regulatory_hint(struct lbs_private *priv) |
2056 | { | |
2057 | struct region_code_mapping { | |
2058 | const char *cn; | |
2059 | int code; | |
2060 | }; | |
2061 | ||
2062 | /* Section 5.17.2 */ | |
482e039f | 2063 | static const struct region_code_mapping regmap[] = { |
e86dc1ca KD |
2064 | {"US ", 0x10}, /* US FCC */ |
2065 | {"CA ", 0x20}, /* Canada */ | |
2066 | {"EU ", 0x30}, /* ETSI */ | |
2067 | {"ES ", 0x31}, /* Spain */ | |
2068 | {"FR ", 0x32}, /* France */ | |
2069 | {"JP ", 0x40}, /* Japan */ | |
2070 | }; | |
2071 | size_t i; | |
2072 | ||
e86dc1ca KD |
2073 | for (i = 0; i < ARRAY_SIZE(regmap); i++) |
2074 | if (regmap[i].code == priv->regioncode) { | |
2075 | regulatory_hint(priv->wdev->wiphy, regmap[i].cn); | |
2076 | break; | |
2077 | } | |
e86dc1ca KD |
2078 | } |
2079 | ||
0c0280bd LR |
2080 | static void lbs_reg_notifier(struct wiphy *wiphy, |
2081 | struct regulatory_request *request) | |
2082 | { | |
2083 | struct lbs_private *priv = wiphy_priv(wiphy); | |
2084 | ||
0c0280bd LR |
2085 | memcpy(priv->country_code, request->alpha2, sizeof(request->alpha2)); |
2086 | if (lbs_iface_active(priv)) | |
2087 | lbs_set_11d_domain_info(priv); | |
0c0280bd | 2088 | } |
e86dc1ca | 2089 | |
ff9fc791 HS |
2090 | /* |
2091 | * This function get's called after lbs_setup_firmware() determined the | |
2092 | * firmware capabities. So we can setup the wiphy according to our | |
2093 | * hardware/firmware. | |
2094 | */ | |
2095 | int lbs_cfg_register(struct lbs_private *priv) | |
2096 | { | |
2097 | struct wireless_dev *wdev = priv->wdev; | |
2098 | int ret; | |
2099 | ||
ff9fc791 HS |
2100 | wdev->wiphy->max_scan_ssids = 1; |
2101 | wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; | |
2102 | ||
e86dc1ca KD |
2103 | wdev->wiphy->interface_modes = |
2104 | BIT(NL80211_IFTYPE_STATION) | | |
2105 | BIT(NL80211_IFTYPE_ADHOC); | |
2106 | if (lbs_rtap_supported(priv)) | |
2107 | wdev->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); | |
49fee692 DD |
2108 | if (lbs_mesh_activated(priv)) |
2109 | wdev->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MESH_POINT); | |
ff9fc791 | 2110 | |
57fbcce3 | 2111 | wdev->wiphy->bands[NL80211_BAND_2GHZ] = &lbs_band_2ghz; |
ff9fc791 HS |
2112 | |
2113 | /* | |
2114 | * We could check priv->fwcapinfo && FW_CAPINFO_WPA, but I have | |
2115 | * never seen a firmware without WPA | |
2116 | */ | |
2117 | wdev->wiphy->cipher_suites = cipher_suites; | |
2118 | wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
1047d5ed | 2119 | wdev->wiphy->reg_notifier = lbs_reg_notifier; |
ff9fc791 HS |
2120 | |
2121 | ret = wiphy_register(wdev->wiphy); | |
2122 | if (ret < 0) | |
0e4e06ae | 2123 | pr_err("cannot register wiphy device\n"); |
ff9fc791 | 2124 | |
73714004 DM |
2125 | priv->wiphy_registered = true; |
2126 | ||
ff9fc791 HS |
2127 | ret = register_netdev(priv->dev); |
2128 | if (ret) | |
0e4e06ae | 2129 | pr_err("cannot register network device\n"); |
ff9fc791 | 2130 | |
e86dc1ca KD |
2131 | INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker); |
2132 | ||
2133 | lbs_cfg_set_regulatory_hint(priv); | |
2134 | ||
ff9fc791 HS |
2135 | return ret; |
2136 | } | |
2137 | ||
e86dc1ca KD |
2138 | void lbs_scan_deinit(struct lbs_private *priv) |
2139 | { | |
e86dc1ca KD |
2140 | cancel_delayed_work_sync(&priv->scan_work); |
2141 | } | |
2142 | ||
2143 | ||
ff9fc791 HS |
2144 | void lbs_cfg_free(struct lbs_private *priv) |
2145 | { | |
2146 | struct wireless_dev *wdev = priv->wdev; | |
2147 | ||
ff9fc791 HS |
2148 | if (!wdev) |
2149 | return; | |
2150 | ||
73714004 | 2151 | if (priv->wiphy_registered) |
ff9fc791 | 2152 | wiphy_unregister(wdev->wiphy); |
73714004 DM |
2153 | |
2154 | if (wdev->wiphy) | |
ff9fc791 | 2155 | wiphy_free(wdev->wiphy); |
73714004 | 2156 | |
ff9fc791 HS |
2157 | kfree(wdev); |
2158 | } |