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Commit | Line | Data |
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1 | /* | |
2 | * Wireless utility functions | |
3 | * | |
4 | * Copyright 2007-2009 Johannes Berg <johannes@sipsolutions.net> | |
5 | */ | |
6 | #include <linux/bitops.h> | |
7 | #include <linux/etherdevice.h> | |
8 | #include <net/cfg80211.h> | |
9 | #include <net/ip.h> | |
10 | #include "core.h" | |
11 | ||
12 | struct ieee80211_rate * | |
13 | ieee80211_get_response_rate(struct ieee80211_supported_band *sband, | |
14 | u32 basic_rates, int bitrate) | |
15 | { | |
16 | struct ieee80211_rate *result = &sband->bitrates[0]; | |
17 | int i; | |
18 | ||
19 | for (i = 0; i < sband->n_bitrates; i++) { | |
20 | if (!(basic_rates & BIT(i))) | |
21 | continue; | |
22 | if (sband->bitrates[i].bitrate > bitrate) | |
23 | continue; | |
24 | result = &sband->bitrates[i]; | |
25 | } | |
26 | ||
27 | return result; | |
28 | } | |
29 | EXPORT_SYMBOL(ieee80211_get_response_rate); | |
30 | ||
31 | int ieee80211_channel_to_frequency(int chan) | |
32 | { | |
33 | if (chan < 14) | |
34 | return 2407 + chan * 5; | |
35 | ||
36 | if (chan == 14) | |
37 | return 2484; | |
38 | ||
39 | /* FIXME: 802.11j 17.3.8.3.2 */ | |
40 | return (chan + 1000) * 5; | |
41 | } | |
42 | EXPORT_SYMBOL(ieee80211_channel_to_frequency); | |
43 | ||
44 | int ieee80211_frequency_to_channel(int freq) | |
45 | { | |
46 | if (freq == 2484) | |
47 | return 14; | |
48 | ||
49 | if (freq < 2484) | |
50 | return (freq - 2407) / 5; | |
51 | ||
52 | /* FIXME: 802.11j 17.3.8.3.2 */ | |
53 | return freq/5 - 1000; | |
54 | } | |
55 | EXPORT_SYMBOL(ieee80211_frequency_to_channel); | |
56 | ||
57 | struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy, | |
58 | int freq) | |
59 | { | |
60 | enum ieee80211_band band; | |
61 | struct ieee80211_supported_band *sband; | |
62 | int i; | |
63 | ||
64 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
65 | sband = wiphy->bands[band]; | |
66 | ||
67 | if (!sband) | |
68 | continue; | |
69 | ||
70 | for (i = 0; i < sband->n_channels; i++) { | |
71 | if (sband->channels[i].center_freq == freq) | |
72 | return &sband->channels[i]; | |
73 | } | |
74 | } | |
75 | ||
76 | return NULL; | |
77 | } | |
78 | EXPORT_SYMBOL(__ieee80211_get_channel); | |
79 | ||
80 | static void set_mandatory_flags_band(struct ieee80211_supported_band *sband, | |
81 | enum ieee80211_band band) | |
82 | { | |
83 | int i, want; | |
84 | ||
85 | switch (band) { | |
86 | case IEEE80211_BAND_5GHZ: | |
87 | want = 3; | |
88 | for (i = 0; i < sband->n_bitrates; i++) { | |
89 | if (sband->bitrates[i].bitrate == 60 || | |
90 | sband->bitrates[i].bitrate == 120 || | |
91 | sband->bitrates[i].bitrate == 240) { | |
92 | sband->bitrates[i].flags |= | |
93 | IEEE80211_RATE_MANDATORY_A; | |
94 | want--; | |
95 | } | |
96 | } | |
97 | WARN_ON(want); | |
98 | break; | |
99 | case IEEE80211_BAND_2GHZ: | |
100 | want = 7; | |
101 | for (i = 0; i < sband->n_bitrates; i++) { | |
102 | if (sband->bitrates[i].bitrate == 10) { | |
103 | sband->bitrates[i].flags |= | |
104 | IEEE80211_RATE_MANDATORY_B | | |
105 | IEEE80211_RATE_MANDATORY_G; | |
106 | want--; | |
107 | } | |
108 | ||
109 | if (sband->bitrates[i].bitrate == 20 || | |
110 | sband->bitrates[i].bitrate == 55 || | |
111 | sband->bitrates[i].bitrate == 110 || | |
112 | sband->bitrates[i].bitrate == 60 || | |
113 | sband->bitrates[i].bitrate == 120 || | |
114 | sband->bitrates[i].bitrate == 240) { | |
115 | sband->bitrates[i].flags |= | |
116 | IEEE80211_RATE_MANDATORY_G; | |
117 | want--; | |
118 | } | |
119 | ||
120 | if (sband->bitrates[i].bitrate != 10 && | |
121 | sband->bitrates[i].bitrate != 20 && | |
122 | sband->bitrates[i].bitrate != 55 && | |
123 | sband->bitrates[i].bitrate != 110) | |
124 | sband->bitrates[i].flags |= | |
125 | IEEE80211_RATE_ERP_G; | |
126 | } | |
127 | WARN_ON(want != 0 && want != 3 && want != 6); | |
128 | break; | |
129 | case IEEE80211_NUM_BANDS: | |
130 | WARN_ON(1); | |
131 | break; | |
132 | } | |
133 | } | |
134 | ||
135 | void ieee80211_set_bitrate_flags(struct wiphy *wiphy) | |
136 | { | |
137 | enum ieee80211_band band; | |
138 | ||
139 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) | |
140 | if (wiphy->bands[band]) | |
141 | set_mandatory_flags_band(wiphy->bands[band], band); | |
142 | } | |
143 | ||
144 | int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, | |
145 | struct key_params *params, int key_idx, | |
146 | const u8 *mac_addr) | |
147 | { | |
148 | int i; | |
149 | ||
150 | if (key_idx > 5) | |
151 | return -EINVAL; | |
152 | ||
153 | /* | |
154 | * Disallow pairwise keys with non-zero index unless it's WEP | |
155 | * (because current deployments use pairwise WEP keys with | |
156 | * non-zero indizes but 802.11i clearly specifies to use zero) | |
157 | */ | |
158 | if (mac_addr && key_idx && | |
159 | params->cipher != WLAN_CIPHER_SUITE_WEP40 && | |
160 | params->cipher != WLAN_CIPHER_SUITE_WEP104) | |
161 | return -EINVAL; | |
162 | ||
163 | switch (params->cipher) { | |
164 | case WLAN_CIPHER_SUITE_WEP40: | |
165 | if (params->key_len != WLAN_KEY_LEN_WEP40) | |
166 | return -EINVAL; | |
167 | break; | |
168 | case WLAN_CIPHER_SUITE_TKIP: | |
169 | if (params->key_len != WLAN_KEY_LEN_TKIP) | |
170 | return -EINVAL; | |
171 | break; | |
172 | case WLAN_CIPHER_SUITE_CCMP: | |
173 | if (params->key_len != WLAN_KEY_LEN_CCMP) | |
174 | return -EINVAL; | |
175 | break; | |
176 | case WLAN_CIPHER_SUITE_WEP104: | |
177 | if (params->key_len != WLAN_KEY_LEN_WEP104) | |
178 | return -EINVAL; | |
179 | break; | |
180 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
181 | if (params->key_len != WLAN_KEY_LEN_AES_CMAC) | |
182 | return -EINVAL; | |
183 | break; | |
184 | default: | |
185 | return -EINVAL; | |
186 | } | |
187 | ||
188 | if (params->seq) { | |
189 | switch (params->cipher) { | |
190 | case WLAN_CIPHER_SUITE_WEP40: | |
191 | case WLAN_CIPHER_SUITE_WEP104: | |
192 | /* These ciphers do not use key sequence */ | |
193 | return -EINVAL; | |
194 | case WLAN_CIPHER_SUITE_TKIP: | |
195 | case WLAN_CIPHER_SUITE_CCMP: | |
196 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
197 | if (params->seq_len != 6) | |
198 | return -EINVAL; | |
199 | break; | |
200 | } | |
201 | } | |
202 | ||
203 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) | |
204 | if (params->cipher == rdev->wiphy.cipher_suites[i]) | |
205 | break; | |
206 | if (i == rdev->wiphy.n_cipher_suites) | |
207 | return -EINVAL; | |
208 | ||
209 | return 0; | |
210 | } | |
211 | ||
212 | /* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ | |
213 | /* Ethernet-II snap header (RFC1042 for most EtherTypes) */ | |
214 | const unsigned char rfc1042_header[] __aligned(2) = | |
215 | { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; | |
216 | EXPORT_SYMBOL(rfc1042_header); | |
217 | ||
218 | /* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ | |
219 | const unsigned char bridge_tunnel_header[] __aligned(2) = | |
220 | { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; | |
221 | EXPORT_SYMBOL(bridge_tunnel_header); | |
222 | ||
223 | unsigned int ieee80211_hdrlen(__le16 fc) | |
224 | { | |
225 | unsigned int hdrlen = 24; | |
226 | ||
227 | if (ieee80211_is_data(fc)) { | |
228 | if (ieee80211_has_a4(fc)) | |
229 | hdrlen = 30; | |
230 | if (ieee80211_is_data_qos(fc)) | |
231 | hdrlen += IEEE80211_QOS_CTL_LEN; | |
232 | goto out; | |
233 | } | |
234 | ||
235 | if (ieee80211_is_ctl(fc)) { | |
236 | /* | |
237 | * ACK and CTS are 10 bytes, all others 16. To see how | |
238 | * to get this condition consider | |
239 | * subtype mask: 0b0000000011110000 (0x00F0) | |
240 | * ACK subtype: 0b0000000011010000 (0x00D0) | |
241 | * CTS subtype: 0b0000000011000000 (0x00C0) | |
242 | * bits that matter: ^^^ (0x00E0) | |
243 | * value of those: 0b0000000011000000 (0x00C0) | |
244 | */ | |
245 | if ((fc & cpu_to_le16(0x00E0)) == cpu_to_le16(0x00C0)) | |
246 | hdrlen = 10; | |
247 | else | |
248 | hdrlen = 16; | |
249 | } | |
250 | out: | |
251 | return hdrlen; | |
252 | } | |
253 | EXPORT_SYMBOL(ieee80211_hdrlen); | |
254 | ||
255 | unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb) | |
256 | { | |
257 | const struct ieee80211_hdr *hdr = | |
258 | (const struct ieee80211_hdr *)skb->data; | |
259 | unsigned int hdrlen; | |
260 | ||
261 | if (unlikely(skb->len < 10)) | |
262 | return 0; | |
263 | hdrlen = ieee80211_hdrlen(hdr->frame_control); | |
264 | if (unlikely(hdrlen > skb->len)) | |
265 | return 0; | |
266 | return hdrlen; | |
267 | } | |
268 | EXPORT_SYMBOL(ieee80211_get_hdrlen_from_skb); | |
269 | ||
270 | static int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr) | |
271 | { | |
272 | int ae = meshhdr->flags & MESH_FLAGS_AE; | |
273 | /* 7.1.3.5a.2 */ | |
274 | switch (ae) { | |
275 | case 0: | |
276 | return 6; | |
277 | case 1: | |
278 | return 12; | |
279 | case 2: | |
280 | return 18; | |
281 | case 3: | |
282 | return 24; | |
283 | default: | |
284 | return 6; | |
285 | } | |
286 | } | |
287 | ||
288 | int ieee80211_data_to_8023(struct sk_buff *skb, u8 *addr, | |
289 | enum nl80211_iftype iftype) | |
290 | { | |
291 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; | |
292 | u16 hdrlen, ethertype; | |
293 | u8 *payload; | |
294 | u8 dst[ETH_ALEN]; | |
295 | u8 src[ETH_ALEN] __aligned(2); | |
296 | ||
297 | if (unlikely(!ieee80211_is_data_present(hdr->frame_control))) | |
298 | return -1; | |
299 | ||
300 | hdrlen = ieee80211_hdrlen(hdr->frame_control); | |
301 | ||
302 | /* convert IEEE 802.11 header + possible LLC headers into Ethernet | |
303 | * header | |
304 | * IEEE 802.11 address fields: | |
305 | * ToDS FromDS Addr1 Addr2 Addr3 Addr4 | |
306 | * 0 0 DA SA BSSID n/a | |
307 | * 0 1 DA BSSID SA n/a | |
308 | * 1 0 BSSID SA DA n/a | |
309 | * 1 1 RA TA DA SA | |
310 | */ | |
311 | memcpy(dst, ieee80211_get_DA(hdr), ETH_ALEN); | |
312 | memcpy(src, ieee80211_get_SA(hdr), ETH_ALEN); | |
313 | ||
314 | switch (hdr->frame_control & | |
315 | cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) { | |
316 | case cpu_to_le16(IEEE80211_FCTL_TODS): | |
317 | if (unlikely(iftype != NL80211_IFTYPE_AP && | |
318 | iftype != NL80211_IFTYPE_AP_VLAN)) | |
319 | return -1; | |
320 | break; | |
321 | case cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS): | |
322 | if (unlikely(iftype != NL80211_IFTYPE_WDS && | |
323 | iftype != NL80211_IFTYPE_MESH_POINT)) | |
324 | return -1; | |
325 | if (iftype == NL80211_IFTYPE_MESH_POINT) { | |
326 | struct ieee80211s_hdr *meshdr = | |
327 | (struct ieee80211s_hdr *) (skb->data + hdrlen); | |
328 | hdrlen += ieee80211_get_mesh_hdrlen(meshdr); | |
329 | if (meshdr->flags & MESH_FLAGS_AE_A5_A6) { | |
330 | memcpy(dst, meshdr->eaddr1, ETH_ALEN); | |
331 | memcpy(src, meshdr->eaddr2, ETH_ALEN); | |
332 | } | |
333 | } | |
334 | break; | |
335 | case cpu_to_le16(IEEE80211_FCTL_FROMDS): | |
336 | if (iftype != NL80211_IFTYPE_STATION || | |
337 | (is_multicast_ether_addr(dst) && | |
338 | !compare_ether_addr(src, addr))) | |
339 | return -1; | |
340 | break; | |
341 | case cpu_to_le16(0): | |
342 | if (iftype != NL80211_IFTYPE_ADHOC) | |
343 | return -1; | |
344 | break; | |
345 | } | |
346 | ||
347 | if (unlikely(skb->len - hdrlen < 8)) | |
348 | return -1; | |
349 | ||
350 | payload = skb->data + hdrlen; | |
351 | ethertype = (payload[6] << 8) | payload[7]; | |
352 | ||
353 | if (likely((compare_ether_addr(payload, rfc1042_header) == 0 && | |
354 | ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) || | |
355 | compare_ether_addr(payload, bridge_tunnel_header) == 0)) { | |
356 | /* remove RFC1042 or Bridge-Tunnel encapsulation and | |
357 | * replace EtherType */ | |
358 | skb_pull(skb, hdrlen + 6); | |
359 | memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN); | |
360 | memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN); | |
361 | } else { | |
362 | struct ethhdr *ehdr; | |
363 | __be16 len; | |
364 | ||
365 | skb_pull(skb, hdrlen); | |
366 | len = htons(skb->len); | |
367 | ehdr = (struct ethhdr *) skb_push(skb, sizeof(struct ethhdr)); | |
368 | memcpy(ehdr->h_dest, dst, ETH_ALEN); | |
369 | memcpy(ehdr->h_source, src, ETH_ALEN); | |
370 | ehdr->h_proto = len; | |
371 | } | |
372 | return 0; | |
373 | } | |
374 | EXPORT_SYMBOL(ieee80211_data_to_8023); | |
375 | ||
376 | int ieee80211_data_from_8023(struct sk_buff *skb, u8 *addr, | |
377 | enum nl80211_iftype iftype, u8 *bssid, bool qos) | |
378 | { | |
379 | struct ieee80211_hdr hdr; | |
380 | u16 hdrlen, ethertype; | |
381 | __le16 fc; | |
382 | const u8 *encaps_data; | |
383 | int encaps_len, skip_header_bytes; | |
384 | int nh_pos, h_pos; | |
385 | int head_need; | |
386 | ||
387 | if (unlikely(skb->len < ETH_HLEN)) | |
388 | return -EINVAL; | |
389 | ||
390 | nh_pos = skb_network_header(skb) - skb->data; | |
391 | h_pos = skb_transport_header(skb) - skb->data; | |
392 | ||
393 | /* convert Ethernet header to proper 802.11 header (based on | |
394 | * operation mode) */ | |
395 | ethertype = (skb->data[12] << 8) | skb->data[13]; | |
396 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); | |
397 | ||
398 | switch (iftype) { | |
399 | case NL80211_IFTYPE_AP: | |
400 | case NL80211_IFTYPE_AP_VLAN: | |
401 | fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); | |
402 | /* DA BSSID SA */ | |
403 | memcpy(hdr.addr1, skb->data, ETH_ALEN); | |
404 | memcpy(hdr.addr2, addr, ETH_ALEN); | |
405 | memcpy(hdr.addr3, skb->data + ETH_ALEN, ETH_ALEN); | |
406 | hdrlen = 24; | |
407 | break; | |
408 | case NL80211_IFTYPE_STATION: | |
409 | fc |= cpu_to_le16(IEEE80211_FCTL_TODS); | |
410 | /* BSSID SA DA */ | |
411 | memcpy(hdr.addr1, bssid, ETH_ALEN); | |
412 | memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN); | |
413 | memcpy(hdr.addr3, skb->data, ETH_ALEN); | |
414 | hdrlen = 24; | |
415 | break; | |
416 | case NL80211_IFTYPE_ADHOC: | |
417 | /* DA SA BSSID */ | |
418 | memcpy(hdr.addr1, skb->data, ETH_ALEN); | |
419 | memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN); | |
420 | memcpy(hdr.addr3, bssid, ETH_ALEN); | |
421 | hdrlen = 24; | |
422 | break; | |
423 | default: | |
424 | return -EOPNOTSUPP; | |
425 | } | |
426 | ||
427 | if (qos) { | |
428 | fc |= cpu_to_le16(IEEE80211_STYPE_QOS_DATA); | |
429 | hdrlen += 2; | |
430 | } | |
431 | ||
432 | hdr.frame_control = fc; | |
433 | hdr.duration_id = 0; | |
434 | hdr.seq_ctrl = 0; | |
435 | ||
436 | skip_header_bytes = ETH_HLEN; | |
437 | if (ethertype == ETH_P_AARP || ethertype == ETH_P_IPX) { | |
438 | encaps_data = bridge_tunnel_header; | |
439 | encaps_len = sizeof(bridge_tunnel_header); | |
440 | skip_header_bytes -= 2; | |
441 | } else if (ethertype > 0x600) { | |
442 | encaps_data = rfc1042_header; | |
443 | encaps_len = sizeof(rfc1042_header); | |
444 | skip_header_bytes -= 2; | |
445 | } else { | |
446 | encaps_data = NULL; | |
447 | encaps_len = 0; | |
448 | } | |
449 | ||
450 | skb_pull(skb, skip_header_bytes); | |
451 | nh_pos -= skip_header_bytes; | |
452 | h_pos -= skip_header_bytes; | |
453 | ||
454 | head_need = hdrlen + encaps_len - skb_headroom(skb); | |
455 | ||
456 | if (head_need > 0 || skb_cloned(skb)) { | |
457 | head_need = max(head_need, 0); | |
458 | if (head_need) | |
459 | skb_orphan(skb); | |
460 | ||
461 | if (pskb_expand_head(skb, head_need, 0, GFP_ATOMIC)) { | |
462 | printk(KERN_ERR "failed to reallocate Tx buffer\n"); | |
463 | return -ENOMEM; | |
464 | } | |
465 | skb->truesize += head_need; | |
466 | } | |
467 | ||
468 | if (encaps_data) { | |
469 | memcpy(skb_push(skb, encaps_len), encaps_data, encaps_len); | |
470 | nh_pos += encaps_len; | |
471 | h_pos += encaps_len; | |
472 | } | |
473 | ||
474 | memcpy(skb_push(skb, hdrlen), &hdr, hdrlen); | |
475 | ||
476 | nh_pos += hdrlen; | |
477 | h_pos += hdrlen; | |
478 | ||
479 | /* Update skb pointers to various headers since this modified frame | |
480 | * is going to go through Linux networking code that may potentially | |
481 | * need things like pointer to IP header. */ | |
482 | skb_set_mac_header(skb, 0); | |
483 | skb_set_network_header(skb, nh_pos); | |
484 | skb_set_transport_header(skb, h_pos); | |
485 | ||
486 | return 0; | |
487 | } | |
488 | EXPORT_SYMBOL(ieee80211_data_from_8023); | |
489 | ||
490 | /* Given a data frame determine the 802.1p/1d tag to use. */ | |
491 | unsigned int cfg80211_classify8021d(struct sk_buff *skb) | |
492 | { | |
493 | unsigned int dscp; | |
494 | ||
495 | /* skb->priority values from 256->263 are magic values to | |
496 | * directly indicate a specific 802.1d priority. This is used | |
497 | * to allow 802.1d priority to be passed directly in from VLAN | |
498 | * tags, etc. | |
499 | */ | |
500 | if (skb->priority >= 256 && skb->priority <= 263) | |
501 | return skb->priority - 256; | |
502 | ||
503 | switch (skb->protocol) { | |
504 | case htons(ETH_P_IP): | |
505 | dscp = ip_hdr(skb)->tos & 0xfc; | |
506 | break; | |
507 | default: | |
508 | return 0; | |
509 | } | |
510 | ||
511 | return dscp >> 5; | |
512 | } | |
513 | EXPORT_SYMBOL(cfg80211_classify8021d); | |
514 | ||
515 | const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie) | |
516 | { | |
517 | u8 *end, *pos; | |
518 | ||
519 | pos = bss->information_elements; | |
520 | if (pos == NULL) | |
521 | return NULL; | |
522 | end = pos + bss->len_information_elements; | |
523 | ||
524 | while (pos + 1 < end) { | |
525 | if (pos + 2 + pos[1] > end) | |
526 | break; | |
527 | if (pos[0] == ie) | |
528 | return pos; | |
529 | pos += 2 + pos[1]; | |
530 | } | |
531 | ||
532 | return NULL; | |
533 | } | |
534 | EXPORT_SYMBOL(ieee80211_bss_get_ie); | |
535 | ||
536 | void cfg80211_upload_connect_keys(struct wireless_dev *wdev) | |
537 | { | |
538 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
539 | struct net_device *dev = wdev->netdev; | |
540 | int i; | |
541 | ||
542 | if (!wdev->connect_keys) | |
543 | return; | |
544 | ||
545 | for (i = 0; i < 6; i++) { | |
546 | if (!wdev->connect_keys->params[i].cipher) | |
547 | continue; | |
548 | if (rdev->ops->add_key(wdev->wiphy, dev, i, NULL, | |
549 | &wdev->connect_keys->params[i])) | |
550 | printk(KERN_ERR "%s: failed to set key %d\n", | |
551 | dev->name, i); | |
552 | if (wdev->connect_keys->def == i) | |
553 | if (rdev->ops->set_default_key(wdev->wiphy, dev, i)) | |
554 | printk(KERN_ERR "%s: failed to set defkey %d\n", | |
555 | dev->name, i); | |
556 | if (wdev->connect_keys->defmgmt == i) | |
557 | if (rdev->ops->set_default_mgmt_key(wdev->wiphy, dev, i)) | |
558 | printk(KERN_ERR "%s: failed to set mgtdef %d\n", | |
559 | dev->name, i); | |
560 | } | |
561 | ||
562 | kfree(wdev->connect_keys); | |
563 | wdev->connect_keys = NULL; | |
564 | } |