1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2001 Atsushi Onoe
5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 /*
31 * IEEE 802.11 ioctl support (FreeBSD-specific)
32 */
33
34 #include "opt_inet.h"
35 #include "opt_wlan.h"
36
37 #include <sys/endian.h>
38 #include <sys/param.h>
39 #include <sys/kernel.h>
40 #include <sys/malloc.h>
41 #include <sys/socket.h>
42 #include <sys/sockio.h>
43 #include <sys/systm.h>
44
45 #include <net/if.h>
46 #include <net/if_var.h>
47 #include <net/if_dl.h>
48 #include <net/if_media.h>
49 #include <net/if_private.h>
50 #include <net/ethernet.h>
51
52 #ifdef INET
53 #include <netinet/in.h>
54 #include <netinet/if_ether.h>
55 #endif
56
57 #include <net80211/ieee80211_var.h>
58 #include <net80211/ieee80211_ioctl.h>
59 #include <net80211/ieee80211_regdomain.h>
60 #include <net80211/ieee80211_input.h>
61
62 #define IS_UP_AUTO(_vap) \
63 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \
64 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
65
66 static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
67 static struct ieee80211_channel *findchannel(struct ieee80211com *,
68 int ieee, int mode);
69 static int ieee80211_scanreq(struct ieee80211vap *,
70 struct ieee80211_scan_req *);
71
72 static int
ieee80211_ioctl_getkey(u_long cmd,struct ieee80211vap * vap,struct ieee80211req * ireq)73 ieee80211_ioctl_getkey(u_long cmd, struct ieee80211vap *vap,
74 struct ieee80211req *ireq)
75 {
76 struct ieee80211com *ic = vap->iv_ic;
77 struct ieee80211_node *ni;
78 struct ieee80211req_key ik;
79 struct ieee80211_key *wk;
80 const struct ieee80211_cipher *cip;
81 u_int kid;
82 int error;
83
84 if (ireq->i_len != sizeof(ik))
85 return EINVAL;
86 error = copyin(ireq->i_data, &ik, sizeof(ik));
87 if (error)
88 return error;
89 kid = ik.ik_keyix;
90 if (kid == IEEE80211_KEYIX_NONE) {
91 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
92 if (ni == NULL)
93 return ENOENT;
94 wk = &ni->ni_ucastkey;
95 } else {
96 if (kid >= IEEE80211_WEP_NKID)
97 return EINVAL;
98 wk = &vap->iv_nw_keys[kid];
99 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
100 ni = NULL;
101 }
102 cip = wk->wk_cipher;
103 ik.ik_type = cip->ic_cipher;
104 ik.ik_keylen = wk->wk_keylen;
105 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
106 if (wk->wk_keyix == vap->iv_def_txkey)
107 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
108 if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) {
109 /* NB: only root can read key data */
110 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
111 ik.ik_keytsc = wk->wk_keytsc;
112 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
113 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
114 memcpy(ik.ik_keydata+wk->wk_keylen,
115 wk->wk_key + IEEE80211_KEYBUF_SIZE,
116 IEEE80211_MICBUF_SIZE);
117 ik.ik_keylen += IEEE80211_MICBUF_SIZE;
118 }
119 } else {
120 ik.ik_keyrsc = 0;
121 ik.ik_keytsc = 0;
122 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
123 }
124 if (ni != NULL)
125 ieee80211_free_node(ni);
126 return copyout(&ik, ireq->i_data, sizeof(ik));
127 }
128
129 static int
ieee80211_ioctl_getchanlist(struct ieee80211vap * vap,struct ieee80211req * ireq)130 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
131 {
132 struct ieee80211com *ic = vap->iv_ic;
133
134 if (sizeof(ic->ic_chan_active) < ireq->i_len)
135 ireq->i_len = sizeof(ic->ic_chan_active);
136 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
137 }
138
139 static int
ieee80211_ioctl_getchaninfo(struct ieee80211vap * vap,struct ieee80211req * ireq)140 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
141 {
142 struct ieee80211com *ic = vap->iv_ic;
143 uint32_t space;
144
145 space = __offsetof(struct ieee80211req_chaninfo,
146 ic_chans[ic->ic_nchans]);
147 if (space > ireq->i_len)
148 space = ireq->i_len;
149 /* XXX assumes compatible layout */
150 return copyout(&ic->ic_nchans, ireq->i_data, space);
151 }
152
153 static int
ieee80211_ioctl_getwpaie(struct ieee80211vap * vap,struct ieee80211req * ireq,int req)154 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
155 struct ieee80211req *ireq, int req)
156 {
157 struct ieee80211_node *ni;
158 struct ieee80211req_wpaie2 *wpaie;
159 int error;
160
161 if (ireq->i_len < IEEE80211_ADDR_LEN)
162 return EINVAL;
163 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP,
164 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
165 if (wpaie == NULL)
166 return ENOMEM;
167 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN);
168 if (error != 0)
169 goto bad;
170 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr);
171 if (ni == NULL) {
172 error = ENOENT;
173 goto bad;
174 }
175 if (ni->ni_ies.wpa_ie != NULL) {
176 int ielen = ni->ni_ies.wpa_ie[1] + 2;
177 if (ielen > sizeof(wpaie->wpa_ie))
178 ielen = sizeof(wpaie->wpa_ie);
179 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen);
180 }
181 if (req == IEEE80211_IOC_WPAIE2) {
182 if (ni->ni_ies.rsn_ie != NULL) {
183 int ielen = ni->ni_ies.rsn_ie[1] + 2;
184 if (ielen > sizeof(wpaie->rsn_ie))
185 ielen = sizeof(wpaie->rsn_ie);
186 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen);
187 }
188 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
189 ireq->i_len = sizeof(struct ieee80211req_wpaie2);
190 } else {
191 /* compatibility op, may overwrite wpa ie */
192 /* XXX check ic_flags? */
193 if (ni->ni_ies.rsn_ie != NULL) {
194 int ielen = ni->ni_ies.rsn_ie[1] + 2;
195 if (ielen > sizeof(wpaie->wpa_ie))
196 ielen = sizeof(wpaie->wpa_ie);
197 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen);
198 }
199 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
200 ireq->i_len = sizeof(struct ieee80211req_wpaie);
201 }
202 ieee80211_free_node(ni);
203 error = copyout(wpaie, ireq->i_data, ireq->i_len);
204 bad:
205 IEEE80211_FREE(wpaie, M_TEMP);
206 return error;
207 }
208
209 static int
ieee80211_ioctl_getstastats(struct ieee80211vap * vap,struct ieee80211req * ireq)210 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
211 {
212 struct ieee80211_node *ni;
213 uint8_t macaddr[IEEE80211_ADDR_LEN];
214 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats);
215 int error;
216
217 if (ireq->i_len < off)
218 return EINVAL;
219 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
220 if (error != 0)
221 return error;
222 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
223 if (ni == NULL)
224 return ENOENT;
225 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
226 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
227 /* NB: copy out only the statistics */
228 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
229 ireq->i_len - off);
230 ieee80211_free_node(ni);
231 return error;
232 }
233
234 struct scanreq {
235 struct ieee80211req_scan_result *sr;
236 size_t space;
237 };
238
239 static size_t
scan_space(const struct ieee80211_scan_entry * se,int * ielen)240 scan_space(const struct ieee80211_scan_entry *se, int *ielen)
241 {
242 size_t len;
243
244 *ielen = se->se_ies.len;
245 /*
246 * NB: ie's can be no more than 255 bytes and the max 802.11
247 * packet is <3Kbytes so we are sure this doesn't overflow
248 * 16-bits; if this is a concern we can drop the ie's.
249 */
250 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] +
251 se->se_meshid[1] + *ielen;
252 return roundup(len, sizeof(uint32_t));
253 }
254
255 static void
get_scan_space(void * arg,const struct ieee80211_scan_entry * se)256 get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
257 {
258 struct scanreq *req = arg;
259 int ielen;
260
261 req->space += scan_space(se, &ielen);
262 }
263
264 static void
get_scan_result(void * arg,const struct ieee80211_scan_entry * se)265 get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
266 {
267 struct scanreq *req = arg;
268 struct ieee80211req_scan_result *sr;
269 int ielen, len, nr, nxr;
270 uint8_t *cp;
271
272 len = scan_space(se, &ielen);
273 if (len > req->space)
274 return;
275
276 sr = req->sr;
277 KASSERT(len <= 65535 && ielen <= 65535,
278 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
279 sr->isr_len = len;
280 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
281 sr->isr_ie_len = ielen;
282 sr->isr_freq = se->se_chan->ic_freq;
283 sr->isr_flags = se->se_chan->ic_flags;
284 sr->isr_rssi = se->se_rssi;
285 sr->isr_noise = se->se_noise;
286 sr->isr_intval = se->se_intval;
287 sr->isr_capinfo = se->se_capinfo;
288 sr->isr_erp = se->se_erp;
289 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
290 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
291 memcpy(sr->isr_rates, se->se_rates+2, nr);
292 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
293 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
294 sr->isr_nrates = nr + nxr;
295
296 /* copy SSID */
297 sr->isr_ssid_len = se->se_ssid[1];
298 cp = ((uint8_t *)sr) + sr->isr_ie_off;
299 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
300
301 /* copy mesh id */
302 cp += sr->isr_ssid_len;
303 sr->isr_meshid_len = se->se_meshid[1];
304 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len);
305 cp += sr->isr_meshid_len;
306
307 if (ielen)
308 memcpy(cp, se->se_ies.data, ielen);
309
310 req->space -= len;
311 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
312 }
313
314 static int
ieee80211_ioctl_getscanresults(struct ieee80211vap * vap,struct ieee80211req * ireq)315 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
316 struct ieee80211req *ireq)
317 {
318 struct scanreq req;
319 int error;
320
321 if (ireq->i_len < sizeof(struct scanreq))
322 return EFAULT;
323
324 error = 0;
325 req.space = 0;
326 ieee80211_scan_iterate(vap, get_scan_space, &req);
327 if (req.space > ireq->i_len)
328 req.space = ireq->i_len;
329 if (req.space > 0) {
330 uint32_t space;
331 void *p;
332
333 space = req.space;
334 /* XXX IEEE80211_M_WAITOK after driver lock released */
335 p = IEEE80211_MALLOC(space, M_TEMP,
336 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
337 if (p == NULL)
338 return ENOMEM;
339 req.sr = p;
340 ieee80211_scan_iterate(vap, get_scan_result, &req);
341 ireq->i_len = space - req.space;
342 error = copyout(p, ireq->i_data, ireq->i_len);
343 IEEE80211_FREE(p, M_TEMP);
344 } else
345 ireq->i_len = 0;
346
347 return error;
348 }
349
350 struct stainforeq {
351 struct ieee80211req_sta_info *si;
352 size_t space;
353 };
354
355 static size_t
sta_space(const struct ieee80211_node * ni,size_t * ielen)356 sta_space(const struct ieee80211_node *ni, size_t *ielen)
357 {
358 *ielen = ni->ni_ies.len;
359 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
360 sizeof(uint32_t));
361 }
362
363 static void
get_sta_space(void * arg,struct ieee80211_node * ni)364 get_sta_space(void *arg, struct ieee80211_node *ni)
365 {
366 struct stainforeq *req = arg;
367 size_t ielen;
368
369 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
370 ni->ni_associd == 0) /* only associated stations */
371 return;
372 req->space += sta_space(ni, &ielen);
373 }
374
375 static void
get_sta_info(void * arg,struct ieee80211_node * ni)376 get_sta_info(void *arg, struct ieee80211_node *ni)
377 {
378 struct stainforeq *req = arg;
379 struct ieee80211_node_txrate tr;
380 struct ieee80211vap *vap = ni->ni_vap;
381 struct ieee80211req_sta_info *si;
382 size_t ielen, len;
383 uint8_t *cp;
384
385 if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
386 ni->ni_associd == 0) /* only associated stations */
387 return;
388 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
389 return;
390 len = sta_space(ni, &ielen);
391 if (len > req->space)
392 return;
393 si = req->si;
394 si->isi_len = len;
395 si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
396 si->isi_ie_len = ielen;
397 si->isi_freq = ni->ni_chan->ic_freq;
398 si->isi_flags = ni->ni_chan->ic_flags;
399 si->isi_state = ni->ni_flags;
400 si->isi_authmode = ni->ni_authmode;
401 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
402 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
403 si->isi_capinfo = ni->ni_capinfo;
404 si->isi_erp = ni->ni_erp;
405 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
406 si->isi_nrates = ni->ni_rates.rs_nrates;
407 if (si->isi_nrates > 15)
408 si->isi_nrates = 15;
409 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
410 /*
411 * isi_txrate can only represent the legacy/HT rates.
412 * Only set it if the rate is a legacy/HT rate.
413 *
414 * TODO: For VHT and later rates the API will need changing.
415 */
416 ieee80211_node_get_txrate(ni, &tr);
417 if ((tr.type == IEEE80211_NODE_TXRATE_LEGACY) ||
418 (tr.type == IEEE80211_NODE_TXRATE_HT))
419 si->isi_txrate = ieee80211_node_get_txrate_dot11rate(ni);
420 /* Note: txmbps is in 1/2Mbit/s units */
421 si->isi_txmbps = ieee80211_node_get_txrate_kbit(ni) / 500;
422 si->isi_associd = ni->ni_associd;
423 si->isi_txpower = ni->ni_txpower;
424 si->isi_vlan = ni->ni_vlan;
425 if (ni->ni_flags & IEEE80211_NODE_QOS) {
426 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
427 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
428 } else {
429 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
430 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
431 }
432 /* NB: leave all cases in case we relax ni_associd == 0 check */
433 if (ieee80211_node_is_authorized(ni))
434 si->isi_inact = vap->iv_inact_run;
435 else if (ni->ni_associd != 0 ||
436 (vap->iv_opmode == IEEE80211_M_WDS &&
437 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
438 si->isi_inact = vap->iv_inact_auth;
439 else
440 si->isi_inact = vap->iv_inact_init;
441 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
442 si->isi_localid = ni->ni_mllid;
443 si->isi_peerid = ni->ni_mlpid;
444 si->isi_peerstate = ni->ni_mlstate;
445
446 if (ielen) {
447 cp = ((uint8_t *)si) + si->isi_ie_off;
448 memcpy(cp, ni->ni_ies.data, ielen);
449 }
450
451 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
452 req->space -= len;
453 }
454
455 static int
getstainfo_common(struct ieee80211vap * vap,struct ieee80211req * ireq,struct ieee80211_node * ni,size_t off)456 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
457 struct ieee80211_node *ni, size_t off)
458 {
459 struct ieee80211com *ic = vap->iv_ic;
460 struct stainforeq req;
461 size_t space;
462 void *p;
463 int error;
464
465 error = 0;
466 req.space = 0;
467 if (ni == NULL) {
468 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space,
469 &req);
470 } else
471 get_sta_space(&req, ni);
472 if (req.space > ireq->i_len)
473 req.space = ireq->i_len;
474 if (req.space > 0) {
475 space = req.space;
476 /* XXX IEEE80211_M_WAITOK after driver lock released */
477 p = IEEE80211_MALLOC(space, M_TEMP,
478 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
479 if (p == NULL) {
480 error = ENOMEM;
481 goto bad;
482 }
483 req.si = p;
484 if (ni == NULL) {
485 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap,
486 get_sta_info, &req);
487 } else
488 get_sta_info(&req, ni);
489 ireq->i_len = space - req.space;
490 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
491 IEEE80211_FREE(p, M_TEMP);
492 } else
493 ireq->i_len = 0;
494 bad:
495 if (ni != NULL)
496 ieee80211_free_node(ni);
497 return error;
498 }
499
500 static int
ieee80211_ioctl_getstainfo(struct ieee80211vap * vap,struct ieee80211req * ireq)501 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
502 {
503 uint8_t macaddr[IEEE80211_ADDR_LEN];
504 const size_t off = __offsetof(struct ieee80211req_sta_req, info);
505 struct ieee80211_node *ni;
506 int error;
507
508 if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
509 return EFAULT;
510 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
511 if (error != 0)
512 return error;
513 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
514 ni = NULL;
515 } else {
516 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
517 if (ni == NULL)
518 return ENOENT;
519 }
520 return getstainfo_common(vap, ireq, ni, off);
521 }
522
523 static int
ieee80211_ioctl_getstatxpow(struct ieee80211vap * vap,struct ieee80211req * ireq)524 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
525 {
526 struct ieee80211_node *ni;
527 struct ieee80211req_sta_txpow txpow;
528 int error;
529
530 if (ireq->i_len != sizeof(txpow))
531 return EINVAL;
532 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
533 if (error != 0)
534 return error;
535 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
536 if (ni == NULL)
537 return ENOENT;
538 txpow.it_txpow = ni->ni_txpower;
539 error = copyout(&txpow, ireq->i_data, sizeof(txpow));
540 ieee80211_free_node(ni);
541 return error;
542 }
543
544 static int
ieee80211_ioctl_getwmeparam(struct ieee80211vap * vap,struct ieee80211req * ireq)545 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
546 {
547 struct ieee80211com *ic = vap->iv_ic;
548 struct ieee80211_wme_state *wme = &ic->ic_wme;
549 struct wmeParams *wmep;
550 int ac;
551
552 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
553 return EINVAL;
554
555 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
556 if (ac >= WME_NUM_AC)
557 ac = WME_AC_BE;
558 if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
559 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
560 else
561 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
562 switch (ireq->i_type) {
563 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
564 ireq->i_val = wmep->wmep_logcwmin;
565 break;
566 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
567 ireq->i_val = wmep->wmep_logcwmax;
568 break;
569 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
570 ireq->i_val = wmep->wmep_aifsn;
571 break;
572 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
573 ireq->i_val = wmep->wmep_txopLimit;
574 break;
575 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
576 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
577 ireq->i_val = wmep->wmep_acm;
578 break;
579 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
580 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
581 ireq->i_val = !wmep->wmep_noackPolicy;
582 break;
583 }
584 return 0;
585 }
586
587 static int
ieee80211_ioctl_getmaccmd(struct ieee80211vap * vap,struct ieee80211req * ireq)588 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
589 {
590 const struct ieee80211_aclator *acl = vap->iv_acl;
591
592 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
593 }
594
595 static int
ieee80211_ioctl_getcurchan(struct ieee80211vap * vap,struct ieee80211req * ireq)596 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
597 {
598 struct ieee80211com *ic = vap->iv_ic;
599 struct ieee80211_channel *c;
600
601 if (ireq->i_len != sizeof(struct ieee80211_channel))
602 return EINVAL;
603 /*
604 * vap's may have different operating channels when HT is
605 * in use. When in RUN state report the vap-specific channel.
606 * Otherwise return curchan.
607 */
608 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
609 c = vap->iv_bss->ni_chan;
610 else
611 c = ic->ic_curchan;
612 return copyout(c, ireq->i_data, sizeof(*c));
613 }
614
615 static int
getappie(const struct ieee80211_appie * aie,struct ieee80211req * ireq)616 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
617 {
618 if (aie == NULL)
619 return EINVAL;
620 /* NB: truncate, caller can check length */
621 if (ireq->i_len > aie->ie_len)
622 ireq->i_len = aie->ie_len;
623 return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
624 }
625
626 static int
ieee80211_ioctl_getappie(struct ieee80211vap * vap,struct ieee80211req * ireq)627 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
628 {
629 uint8_t fc0;
630
631 fc0 = ireq->i_val & 0xff;
632 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
633 return EINVAL;
634 /* NB: could check iv_opmode and reject but hardly worth the effort */
635 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
636 case IEEE80211_FC0_SUBTYPE_BEACON:
637 return getappie(vap->iv_appie_beacon, ireq);
638 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
639 return getappie(vap->iv_appie_proberesp, ireq);
640 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
641 return getappie(vap->iv_appie_assocresp, ireq);
642 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
643 return getappie(vap->iv_appie_probereq, ireq);
644 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
645 return getappie(vap->iv_appie_assocreq, ireq);
646 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
647 return getappie(vap->iv_appie_wpa, ireq);
648 }
649 return EINVAL;
650 }
651
652 static int
ieee80211_ioctl_getregdomain(struct ieee80211vap * vap,const struct ieee80211req * ireq)653 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
654 const struct ieee80211req *ireq)
655 {
656 struct ieee80211com *ic = vap->iv_ic;
657
658 if (ireq->i_len != sizeof(ic->ic_regdomain))
659 return EINVAL;
660 return copyout(&ic->ic_regdomain, ireq->i_data,
661 sizeof(ic->ic_regdomain));
662 }
663
664 static int
ieee80211_ioctl_getroam(struct ieee80211vap * vap,const struct ieee80211req * ireq)665 ieee80211_ioctl_getroam(struct ieee80211vap *vap,
666 const struct ieee80211req *ireq)
667 {
668 size_t len = ireq->i_len;
669 /* NB: accept short requests for backwards compat */
670 if (len > sizeof(vap->iv_roamparms))
671 len = sizeof(vap->iv_roamparms);
672 return copyout(vap->iv_roamparms, ireq->i_data, len);
673 }
674
675 static int
ieee80211_ioctl_gettxparams(struct ieee80211vap * vap,const struct ieee80211req * ireq)676 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
677 const struct ieee80211req *ireq)
678 {
679 size_t len = ireq->i_len;
680 /* NB: accept short requests for backwards compat */
681 if (len > sizeof(vap->iv_txparms))
682 len = sizeof(vap->iv_txparms);
683 return copyout(vap->iv_txparms, ireq->i_data, len);
684 }
685
686 static int
ieee80211_ioctl_getdevcaps(struct ieee80211com * ic,const struct ieee80211req * ireq)687 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
688 const struct ieee80211req *ireq)
689 {
690 struct ieee80211_devcaps_req *dc;
691 struct ieee80211req_chaninfo *ci;
692 int maxchans, error;
693
694 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
695 sizeof(struct ieee80211_channel));
696 /* NB: require 1 so we know ic_nchans is accessible */
697 if (maxchans < 1)
698 return EINVAL;
699 /* constrain max request size, 2K channels is ~24Kbytes */
700 if (maxchans > 2048)
701 maxchans = 2048;
702 dc = (struct ieee80211_devcaps_req *)
703 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP,
704 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
705 if (dc == NULL)
706 return ENOMEM;
707 dc->dc_drivercaps = ic->ic_caps;
708 /*
709 * Announce the set of both hardware and software supported
710 * ciphers.
711 */
712 dc->dc_cryptocaps = ic->ic_cryptocaps | ic->ic_sw_cryptocaps;
713 dc->dc_htcaps = ic->ic_htcaps;
714 dc->dc_vhtcaps = ic->ic_vht_cap.vht_cap_info;
715 ci = &dc->dc_chaninfo;
716 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans);
717 KASSERT(ci->ic_nchans <= maxchans,
718 ("nchans %d maxchans %d", ci->ic_nchans, maxchans));
719 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
720 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc));
721 IEEE80211_FREE(dc, M_TEMP);
722 return error;
723 }
724
725 static int
ieee80211_ioctl_getstavlan(struct ieee80211vap * vap,struct ieee80211req * ireq)726 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
727 {
728 struct ieee80211_node *ni;
729 struct ieee80211req_sta_vlan vlan;
730 int error;
731
732 if (ireq->i_len != sizeof(vlan))
733 return EINVAL;
734 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
735 if (error != 0)
736 return error;
737 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
738 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
739 vlan.sv_macaddr);
740 if (ni == NULL)
741 return ENOENT;
742 } else
743 ni = ieee80211_ref_node(vap->iv_bss);
744 vlan.sv_vlan = ni->ni_vlan;
745 error = copyout(&vlan, ireq->i_data, sizeof(vlan));
746 ieee80211_free_node(ni);
747 return error;
748 }
749
750 /*
751 * Dummy ioctl get handler so the linker set is defined.
752 */
753 static int
dummy_ioctl_get(struct ieee80211vap * vap,struct ieee80211req * ireq)754 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq)
755 {
756 return ENOSYS;
757 }
758 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get);
759
760 static int
ieee80211_ioctl_getdefault(struct ieee80211vap * vap,struct ieee80211req * ireq)761 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
762 {
763 ieee80211_ioctl_getfunc * const *get;
764 int error;
765
766 SET_FOREACH(get, ieee80211_ioctl_getset) {
767 error = (*get)(vap, ireq);
768 if (error != ENOSYS)
769 return error;
770 }
771 return EINVAL;
772 }
773
774 static int
ieee80211_ioctl_get80211(struct ieee80211vap * vap,u_long cmd,struct ieee80211req * ireq)775 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
776 struct ieee80211req *ireq)
777 {
778 struct ieee80211com *ic = vap->iv_ic;
779 u_int kid, len;
780 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
781 char tmpssid[IEEE80211_NWID_LEN];
782 int error = 0;
783
784 switch (ireq->i_type) {
785 case IEEE80211_IOC_IC_NAME:
786 len = strlen(ic->ic_name) + 1;
787 if (len > ireq->i_len)
788 return (EINVAL);
789 ireq->i_len = len;
790 error = copyout(ic->ic_name, ireq->i_data, ireq->i_len);
791 break;
792 case IEEE80211_IOC_SSID:
793 switch (vap->iv_state) {
794 case IEEE80211_S_INIT:
795 case IEEE80211_S_SCAN:
796 ireq->i_len = vap->iv_des_ssid[0].len;
797 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
798 break;
799 default:
800 ireq->i_len = vap->iv_bss->ni_esslen;
801 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
802 break;
803 }
804 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
805 break;
806 case IEEE80211_IOC_NUMSSIDS:
807 ireq->i_val = 1;
808 break;
809 case IEEE80211_IOC_WEP:
810 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
811 ireq->i_val = IEEE80211_WEP_OFF;
812 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
813 ireq->i_val = IEEE80211_WEP_ON;
814 else
815 ireq->i_val = IEEE80211_WEP_MIXED;
816 break;
817 case IEEE80211_IOC_WEPKEY:
818 kid = (u_int) ireq->i_val;
819 if (kid >= IEEE80211_WEP_NKID)
820 return EINVAL;
821 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
822 /* NB: only root can read WEP keys */
823 if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) {
824 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
825 } else {
826 bzero(tmpkey, len);
827 }
828 ireq->i_len = len;
829 error = copyout(tmpkey, ireq->i_data, len);
830 break;
831 case IEEE80211_IOC_NUMWEPKEYS:
832 ireq->i_val = IEEE80211_WEP_NKID;
833 break;
834 case IEEE80211_IOC_WEPTXKEY:
835 ireq->i_val = vap->iv_def_txkey;
836 break;
837 case IEEE80211_IOC_AUTHMODE:
838 if (vap->iv_flags & IEEE80211_F_WPA)
839 ireq->i_val = IEEE80211_AUTH_WPA;
840 else
841 ireq->i_val = vap->iv_bss->ni_authmode;
842 break;
843 case IEEE80211_IOC_CHANNEL:
844 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
845 break;
846 case IEEE80211_IOC_POWERSAVE:
847 if (vap->iv_flags & IEEE80211_F_PMGTON)
848 ireq->i_val = IEEE80211_POWERSAVE_ON;
849 else
850 ireq->i_val = IEEE80211_POWERSAVE_OFF;
851 break;
852 case IEEE80211_IOC_POWERSAVESLEEP:
853 ireq->i_val = ic->ic_lintval;
854 break;
855 case IEEE80211_IOC_RTSTHRESHOLD:
856 ireq->i_val = vap->iv_rtsthreshold;
857 break;
858 case IEEE80211_IOC_PROTMODE:
859 ireq->i_val = vap->iv_protmode;
860 break;
861 case IEEE80211_IOC_TXPOWER:
862 /*
863 * Tx power limit is the min of max regulatory
864 * power, any user-set limit, and the max the
865 * radio can do.
866 *
867 * TODO: methodize this
868 */
869 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
870 if (ireq->i_val > ic->ic_txpowlimit)
871 ireq->i_val = ic->ic_txpowlimit;
872 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
873 ireq->i_val = ic->ic_curchan->ic_maxpower;
874 break;
875 case IEEE80211_IOC_WPA:
876 switch (vap->iv_flags & IEEE80211_F_WPA) {
877 case IEEE80211_F_WPA1:
878 ireq->i_val = 1;
879 break;
880 case IEEE80211_F_WPA2:
881 ireq->i_val = 2;
882 break;
883 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
884 ireq->i_val = 3;
885 break;
886 default:
887 ireq->i_val = 0;
888 break;
889 }
890 break;
891 case IEEE80211_IOC_CHANLIST:
892 error = ieee80211_ioctl_getchanlist(vap, ireq);
893 break;
894 case IEEE80211_IOC_ROAMING:
895 ireq->i_val = vap->iv_roaming;
896 break;
897 case IEEE80211_IOC_PRIVACY:
898 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
899 break;
900 case IEEE80211_IOC_DROPUNENCRYPTED:
901 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
902 break;
903 case IEEE80211_IOC_COUNTERMEASURES:
904 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
905 break;
906 case IEEE80211_IOC_WME:
907 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
908 break;
909 case IEEE80211_IOC_HIDESSID:
910 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
911 break;
912 case IEEE80211_IOC_APBRIDGE:
913 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
914 break;
915 case IEEE80211_IOC_WPAKEY:
916 error = ieee80211_ioctl_getkey(cmd, vap, ireq);
917 break;
918 case IEEE80211_IOC_CHANINFO:
919 error = ieee80211_ioctl_getchaninfo(vap, ireq);
920 break;
921 case IEEE80211_IOC_BSSID:
922 if (ireq->i_len != IEEE80211_ADDR_LEN)
923 return EINVAL;
924 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) {
925 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ?
926 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid,
927 ireq->i_data, ireq->i_len);
928 } else
929 error = copyout(vap->iv_des_bssid, ireq->i_data,
930 ireq->i_len);
931 break;
932 case IEEE80211_IOC_WPAIE:
933 case IEEE80211_IOC_WPAIE2:
934 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
935 break;
936 case IEEE80211_IOC_SCAN_RESULTS:
937 error = ieee80211_ioctl_getscanresults(vap, ireq);
938 break;
939 case IEEE80211_IOC_STA_STATS:
940 error = ieee80211_ioctl_getstastats(vap, ireq);
941 break;
942 case IEEE80211_IOC_TXPOWMAX:
943 ireq->i_val = vap->iv_bss->ni_txpower;
944 break;
945 case IEEE80211_IOC_STA_TXPOW:
946 error = ieee80211_ioctl_getstatxpow(vap, ireq);
947 break;
948 case IEEE80211_IOC_STA_INFO:
949 error = ieee80211_ioctl_getstainfo(vap, ireq);
950 break;
951 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
952 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
953 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
954 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
955 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
956 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */
957 error = ieee80211_ioctl_getwmeparam(vap, ireq);
958 break;
959 case IEEE80211_IOC_DTIM_PERIOD:
960 ireq->i_val = vap->iv_dtim_period;
961 break;
962 case IEEE80211_IOC_BEACON_INTERVAL:
963 /* NB: get from ic_bss for station mode */
964 ireq->i_val = vap->iv_bss->ni_intval;
965 break;
966 case IEEE80211_IOC_PUREG:
967 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
968 break;
969 case IEEE80211_IOC_QUIET:
970 ireq->i_val = vap->iv_quiet;
971 break;
972 case IEEE80211_IOC_QUIET_COUNT:
973 ireq->i_val = vap->iv_quiet_count;
974 break;
975 case IEEE80211_IOC_QUIET_PERIOD:
976 ireq->i_val = vap->iv_quiet_period;
977 break;
978 case IEEE80211_IOC_QUIET_DUR:
979 ireq->i_val = vap->iv_quiet_duration;
980 break;
981 case IEEE80211_IOC_QUIET_OFFSET:
982 ireq->i_val = vap->iv_quiet_offset;
983 break;
984 case IEEE80211_IOC_BGSCAN:
985 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
986 break;
987 case IEEE80211_IOC_BGSCAN_IDLE:
988 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */
989 break;
990 case IEEE80211_IOC_BGSCAN_INTERVAL:
991 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */
992 break;
993 case IEEE80211_IOC_SCANVALID:
994 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */
995 break;
996 case IEEE80211_IOC_FRAGTHRESHOLD:
997 ireq->i_val = vap->iv_fragthreshold;
998 break;
999 case IEEE80211_IOC_MACCMD:
1000 error = ieee80211_ioctl_getmaccmd(vap, ireq);
1001 break;
1002 case IEEE80211_IOC_BURST:
1003 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
1004 break;
1005 case IEEE80211_IOC_BMISSTHRESHOLD:
1006 ireq->i_val = vap->iv_bmissthreshold;
1007 break;
1008 case IEEE80211_IOC_CURCHAN:
1009 error = ieee80211_ioctl_getcurchan(vap, ireq);
1010 break;
1011 case IEEE80211_IOC_SHORTGI:
1012 ireq->i_val = 0;
1013 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1014 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
1015 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1016 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
1017 break;
1018 case IEEE80211_IOC_AMPDU:
1019 ireq->i_val = 0;
1020 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1021 ireq->i_val |= 1;
1022 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1023 ireq->i_val |= 2;
1024 break;
1025 case IEEE80211_IOC_AMPDU_LIMIT:
1026 /* XXX TODO: make this a per-node thing; and leave this as global */
1027 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1028 ireq->i_val = vap->iv_ampdu_rxmax;
1029 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
1030 /*
1031 * XXX TODO: this isn't completely correct, as we've
1032 * negotiated the higher of the two.
1033 */
1034 ireq->i_val = _IEEE80211_MASKSHIFT( vap->iv_bss->ni_htparam,
1035 IEEE80211_HTCAP_MAXRXAMPDU);
1036 else
1037 ireq->i_val = vap->iv_ampdu_limit;
1038 break;
1039 case IEEE80211_IOC_AMPDU_DENSITY:
1040 /* XXX TODO: make this a per-node thing; and leave this as global */
1041 if (vap->iv_opmode == IEEE80211_M_STA &&
1042 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1043 /*
1044 * XXX TODO: this isn't completely correct, as we've
1045 * negotiated the higher of the two.
1046 */
1047 ireq->i_val = _IEEE80211_MASKSHIFT(vap->iv_bss->ni_htparam,
1048 IEEE80211_HTCAP_MPDUDENSITY);
1049 else
1050 ireq->i_val = vap->iv_ampdu_density;
1051 break;
1052 case IEEE80211_IOC_AMSDU:
1053 ireq->i_val = 0;
1054 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1055 ireq->i_val |= 1;
1056 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1057 ireq->i_val |= 2;
1058 break;
1059 case IEEE80211_IOC_AMSDU_LIMIT:
1060 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */
1061 break;
1062 case IEEE80211_IOC_PUREN:
1063 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1064 break;
1065 case IEEE80211_IOC_DOTH:
1066 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1067 break;
1068 case IEEE80211_IOC_REGDOMAIN:
1069 error = ieee80211_ioctl_getregdomain(vap, ireq);
1070 break;
1071 case IEEE80211_IOC_ROAM:
1072 error = ieee80211_ioctl_getroam(vap, ireq);
1073 break;
1074 case IEEE80211_IOC_TXPARAMS:
1075 error = ieee80211_ioctl_gettxparams(vap, ireq);
1076 break;
1077 case IEEE80211_IOC_HTCOMPAT:
1078 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1079 break;
1080 case IEEE80211_IOC_DWDS:
1081 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1082 break;
1083 case IEEE80211_IOC_INACTIVITY:
1084 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1085 break;
1086 case IEEE80211_IOC_APPIE:
1087 error = ieee80211_ioctl_getappie(vap, ireq);
1088 break;
1089 case IEEE80211_IOC_WPS:
1090 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1091 break;
1092 case IEEE80211_IOC_TSN:
1093 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1094 break;
1095 case IEEE80211_IOC_DFS:
1096 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1097 break;
1098 case IEEE80211_IOC_DOTD:
1099 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1100 break;
1101 case IEEE80211_IOC_DEVCAPS:
1102 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1103 break;
1104 case IEEE80211_IOC_HTPROTMODE:
1105 ireq->i_val = vap->iv_htprotmode;
1106 break;
1107 case IEEE80211_IOC_HTCONF:
1108 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1109 ireq->i_val = 1;
1110 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1111 ireq->i_val |= 2;
1112 } else
1113 ireq->i_val = 0;
1114 break;
1115 case IEEE80211_IOC_STA_VLAN:
1116 error = ieee80211_ioctl_getstavlan(vap, ireq);
1117 break;
1118 case IEEE80211_IOC_SMPS:
1119 if (vap->iv_opmode == IEEE80211_M_STA &&
1120 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) {
1121 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1122 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1123 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1124 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1125 else
1126 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1127 } else
1128 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1129 break;
1130 case IEEE80211_IOC_RIFS:
1131 if (vap->iv_opmode == IEEE80211_M_STA &&
1132 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1133 ireq->i_val =
1134 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1135 else
1136 ireq->i_val =
1137 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1138 break;
1139 case IEEE80211_IOC_STBC:
1140 ireq->i_val = 0;
1141 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX)
1142 ireq->i_val |= 1;
1143 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX)
1144 ireq->i_val |= 2;
1145 break;
1146 case IEEE80211_IOC_LDPC:
1147 ireq->i_val = 0;
1148 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX)
1149 ireq->i_val |= 1;
1150 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX)
1151 ireq->i_val |= 2;
1152 break;
1153 case IEEE80211_IOC_UAPSD:
1154 ireq->i_val = 0;
1155 if (vap->iv_flags_ext & IEEE80211_FEXT_UAPSD)
1156 ireq->i_val = 1;
1157 break;
1158 case IEEE80211_IOC_VHTCONF:
1159 ireq->i_val = vap->iv_vht_flags & IEEE80211_FVHT_MASK;
1160 break;
1161 default:
1162 error = ieee80211_ioctl_getdefault(vap, ireq);
1163 break;
1164 }
1165 return error;
1166 }
1167
1168 static int
ieee80211_ioctl_setkey(struct ieee80211vap * vap,struct ieee80211req * ireq)1169 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1170 {
1171 struct ieee80211req_key ik;
1172 struct ieee80211_node *ni;
1173 struct ieee80211_key *wk;
1174 uint16_t kid;
1175 int error, i;
1176
1177 if (ireq->i_len != sizeof(ik))
1178 return EINVAL;
1179 error = copyin(ireq->i_data, &ik, sizeof(ik));
1180 if (error)
1181 return error;
1182 /* NB: cipher support is verified by ieee80211_crypt_newkey */
1183 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1184 if (ik.ik_keylen > sizeof(ik.ik_keydata))
1185 return E2BIG;
1186 kid = ik.ik_keyix;
1187 if (kid == IEEE80211_KEYIX_NONE) {
1188 /* XXX unicast keys currently must be tx/rx */
1189 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1190 return EINVAL;
1191 if (vap->iv_opmode == IEEE80211_M_STA) {
1192 ni = ieee80211_ref_node(vap->iv_bss);
1193 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1194 ieee80211_free_node(ni);
1195 return EADDRNOTAVAIL;
1196 }
1197 } else {
1198 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1199 ik.ik_macaddr);
1200 if (ni == NULL)
1201 return ENOENT;
1202 }
1203 wk = &ni->ni_ucastkey;
1204 } else {
1205 if (kid >= IEEE80211_WEP_NKID)
1206 return EINVAL;
1207 wk = &vap->iv_nw_keys[kid];
1208 /*
1209 * Global slots start off w/o any assigned key index.
1210 * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1211 */
1212 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1213 wk->wk_keyix = kid;
1214 ni = NULL;
1215 }
1216 error = 0;
1217 ieee80211_key_update_begin(vap);
1218 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1219 wk->wk_keylen = ik.ik_keylen;
1220 /* NB: MIC presence is implied by cipher type */
1221 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1222 wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1223 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1224 wk->wk_keyrsc[i] = ik.ik_keyrsc;
1225 wk->wk_keytsc = 0; /* new key, reset */
1226 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1227 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1228 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1229 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr);
1230 if (!ieee80211_crypto_setkey(vap, wk))
1231 error = EIO;
1232 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1233 /*
1234 * Inform the driver that this is the default
1235 * transmit key. Now, ideally we'd just set
1236 * a flag in the key update that would
1237 * say "yes, we're the default key", but
1238 * that currently isn't the way the ioctl ->
1239 * key interface works.
1240 */
1241 ieee80211_crypto_set_deftxkey(vap, kid);
1242 } else
1243 error = ENXIO;
1244 ieee80211_key_update_end(vap);
1245 if (ni != NULL)
1246 ieee80211_free_node(ni);
1247 return error;
1248 }
1249
1250 static int
ieee80211_ioctl_delkey(struct ieee80211vap * vap,struct ieee80211req * ireq)1251 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1252 {
1253 struct ieee80211req_del_key dk;
1254 int kid, error;
1255
1256 if (ireq->i_len != sizeof(dk))
1257 return EINVAL;
1258 error = copyin(ireq->i_data, &dk, sizeof(dk));
1259 if (error)
1260 return error;
1261 kid = dk.idk_keyix;
1262 /* XXX uint8_t -> uint16_t */
1263 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1264 struct ieee80211_node *ni;
1265
1266 if (vap->iv_opmode == IEEE80211_M_STA) {
1267 ni = ieee80211_ref_node(vap->iv_bss);
1268 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1269 ieee80211_free_node(ni);
1270 return EADDRNOTAVAIL;
1271 }
1272 } else {
1273 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1274 dk.idk_macaddr);
1275 if (ni == NULL)
1276 return ENOENT;
1277 }
1278 /* XXX error return */
1279 ieee80211_node_delucastkey(ni);
1280 ieee80211_free_node(ni);
1281 } else {
1282 if (kid >= IEEE80211_WEP_NKID)
1283 return EINVAL;
1284 /* XXX error return */
1285 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1286 }
1287 return 0;
1288 }
1289
1290 struct mlmeop {
1291 struct ieee80211vap *vap;
1292 int op;
1293 int reason;
1294 };
1295
1296 static void
mlmedebug(struct ieee80211vap * vap,const uint8_t mac[IEEE80211_ADDR_LEN],int op,int reason)1297 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1298 int op, int reason)
1299 {
1300 #ifdef IEEE80211_DEBUG
1301 static const struct {
1302 int mask;
1303 const char *opstr;
1304 } ops[] = {
1305 { 0, "op#0" },
1306 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1307 IEEE80211_MSG_ASSOC, "assoc" },
1308 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1309 IEEE80211_MSG_ASSOC, "disassoc" },
1310 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1311 IEEE80211_MSG_AUTH, "deauth" },
1312 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1313 IEEE80211_MSG_AUTH, "authorize" },
1314 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1315 IEEE80211_MSG_AUTH, "unauthorize" },
1316 };
1317
1318 if (op == IEEE80211_MLME_AUTH) {
1319 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1320 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1321 "station authenticate %s via MLME (reason: %d (%s))",
1322 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1323 reason, ieee80211_reason_to_string(reason));
1324 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1325 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1326 "unknown MLME request %d (reason: %d (%s))", op, reason,
1327 ieee80211_reason_to_string(reason));
1328 } else if (reason == IEEE80211_STATUS_SUCCESS) {
1329 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1330 "station %s via MLME", ops[op].opstr);
1331 } else {
1332 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1333 "station %s via MLME (reason: %d (%s))", ops[op].opstr,
1334 reason, ieee80211_reason_to_string(reason));
1335 }
1336 #endif /* IEEE80211_DEBUG */
1337 }
1338
1339 static void
domlme(void * arg,struct ieee80211_node * ni)1340 domlme(void *arg, struct ieee80211_node *ni)
1341 {
1342 struct mlmeop *mop = arg;
1343 struct ieee80211vap *vap = ni->ni_vap;
1344
1345 if (vap != mop->vap)
1346 return;
1347 /*
1348 * NB: if ni_associd is zero then the node is already cleaned
1349 * up and we don't need to do this (we're safely holding a
1350 * reference but should otherwise not modify it's state).
1351 */
1352 if (ni->ni_associd == 0)
1353 return;
1354 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1355 if (mop->op == IEEE80211_MLME_DEAUTH) {
1356 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1357 mop->reason);
1358 } else {
1359 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1360 mop->reason);
1361 }
1362 ieee80211_node_leave(ni);
1363 }
1364
1365 static int
setmlme_dropsta(struct ieee80211vap * vap,const uint8_t mac[IEEE80211_ADDR_LEN],struct mlmeop * mlmeop)1366 setmlme_dropsta(struct ieee80211vap *vap,
1367 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1368 {
1369 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta;
1370 struct ieee80211_node *ni;
1371 int error = 0;
1372
1373 /* NB: the broadcast address means do 'em all */
1374 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) {
1375 IEEE80211_NODE_LOCK(nt);
1376 ni = ieee80211_find_node_locked(nt, mac);
1377 IEEE80211_NODE_UNLOCK(nt);
1378 /*
1379 * Don't do the node update inside the node
1380 * table lock. This unfortunately causes LORs
1381 * with drivers and their TX paths.
1382 */
1383 if (ni != NULL) {
1384 domlme(mlmeop, ni);
1385 ieee80211_free_node(ni);
1386 } else
1387 error = ENOENT;
1388 } else {
1389 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1390 }
1391 return error;
1392 }
1393
1394 static int
setmlme_common(struct ieee80211vap * vap,int op,const uint8_t mac[IEEE80211_ADDR_LEN],int reason)1395 setmlme_common(struct ieee80211vap *vap, int op,
1396 const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1397 {
1398 struct ieee80211com *ic = vap->iv_ic;
1399 struct ieee80211_node_table *nt = &ic->ic_sta;
1400 struct ieee80211_node *ni;
1401 struct mlmeop mlmeop;
1402 int error;
1403
1404 error = 0;
1405 switch (op) {
1406 case IEEE80211_MLME_DISASSOC:
1407 case IEEE80211_MLME_DEAUTH:
1408 switch (vap->iv_opmode) {
1409 case IEEE80211_M_STA:
1410 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1411 /* XXX not quite right */
1412 ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1413 break;
1414 case IEEE80211_M_HOSTAP:
1415 mlmeop.vap = vap;
1416 mlmeop.op = op;
1417 mlmeop.reason = reason;
1418 error = setmlme_dropsta(vap, mac, &mlmeop);
1419 break;
1420 case IEEE80211_M_WDS:
1421 /* XXX user app should send raw frame? */
1422 if (op != IEEE80211_MLME_DEAUTH) {
1423 error = EINVAL;
1424 break;
1425 }
1426 #if 0
1427 /* XXX accept any address, simplifies user code */
1428 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1429 error = EINVAL;
1430 break;
1431 }
1432 #endif
1433 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1434 ni = ieee80211_ref_node(vap->iv_bss);
1435 IEEE80211_SEND_MGMT(ni,
1436 IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1437 ieee80211_free_node(ni);
1438 break;
1439 case IEEE80211_M_MBSS:
1440 IEEE80211_NODE_LOCK(nt);
1441 ni = ieee80211_find_node_locked(nt, mac);
1442 /*
1443 * Don't do the node update inside the node
1444 * table lock. This unfortunately causes LORs
1445 * with drivers and their TX paths.
1446 */
1447 IEEE80211_NODE_UNLOCK(nt);
1448 if (ni != NULL) {
1449 ieee80211_node_leave(ni);
1450 ieee80211_free_node(ni);
1451 } else {
1452 error = ENOENT;
1453 }
1454 break;
1455 default:
1456 error = EINVAL;
1457 break;
1458 }
1459 break;
1460 case IEEE80211_MLME_AUTHORIZE:
1461 case IEEE80211_MLME_UNAUTHORIZE:
1462 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1463 vap->iv_opmode != IEEE80211_M_WDS) {
1464 error = EINVAL;
1465 break;
1466 }
1467 IEEE80211_NODE_LOCK(nt);
1468 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1469 /*
1470 * Don't do the node update inside the node
1471 * table lock. This unfortunately causes LORs
1472 * with drivers and their TX paths.
1473 */
1474 IEEE80211_NODE_UNLOCK(nt);
1475 if (ni != NULL) {
1476 mlmedebug(vap, mac, op, reason);
1477 if (op == IEEE80211_MLME_AUTHORIZE)
1478 ieee80211_node_authorize(ni);
1479 else
1480 ieee80211_node_unauthorize(ni);
1481 ieee80211_free_node(ni);
1482 } else
1483 error = ENOENT;
1484 break;
1485 case IEEE80211_MLME_AUTH:
1486 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1487 error = EINVAL;
1488 break;
1489 }
1490 IEEE80211_NODE_LOCK(nt);
1491 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1492 /*
1493 * Don't do the node update inside the node
1494 * table lock. This unfortunately causes LORs
1495 * with drivers and their TX paths.
1496 */
1497 IEEE80211_NODE_UNLOCK(nt);
1498 if (ni != NULL) {
1499 mlmedebug(vap, mac, op, reason);
1500 if (reason == IEEE80211_STATUS_SUCCESS) {
1501 IEEE80211_SEND_MGMT(ni,
1502 IEEE80211_FC0_SUBTYPE_AUTH, 2);
1503 /*
1504 * For shared key auth, just continue the
1505 * exchange. Otherwise when 802.1x is not in
1506 * use mark the port authorized at this point
1507 * so traffic can flow.
1508 */
1509 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1510 ni->ni_challenge == NULL)
1511 ieee80211_node_authorize(ni);
1512 } else {
1513 vap->iv_stats.is_rx_acl++;
1514 ieee80211_send_error(ni, ni->ni_macaddr,
1515 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1516 ieee80211_node_leave(ni);
1517 }
1518 ieee80211_free_node(ni);
1519 } else
1520 error = ENOENT;
1521 break;
1522 default:
1523 error = EINVAL;
1524 break;
1525 }
1526 return error;
1527 }
1528
1529 struct scanlookup {
1530 const uint8_t *mac;
1531 int esslen;
1532 const uint8_t *essid;
1533 const struct ieee80211_scan_entry *se;
1534 };
1535
1536 /*
1537 * Match mac address and any ssid.
1538 */
1539 static void
mlmelookup(void * arg,const struct ieee80211_scan_entry * se)1540 mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1541 {
1542 struct scanlookup *look = arg;
1543
1544 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1545 return;
1546 if (look->esslen != 0) {
1547 if (se->se_ssid[1] != look->esslen)
1548 return;
1549 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1550 return;
1551 }
1552 look->se = se;
1553 }
1554
1555 static int
setmlme_assoc_sta(struct ieee80211vap * vap,const uint8_t mac[IEEE80211_ADDR_LEN],int ssid_len,const uint8_t ssid[IEEE80211_NWID_LEN])1556 setmlme_assoc_sta(struct ieee80211vap *vap,
1557 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1558 const uint8_t ssid[IEEE80211_NWID_LEN])
1559 {
1560 struct scanlookup lookup;
1561
1562 KASSERT(vap->iv_opmode == IEEE80211_M_STA,
1563 ("expected opmode STA not %s",
1564 ieee80211_opmode_name[vap->iv_opmode]));
1565
1566 /* NB: this is racey if roaming is !manual */
1567 lookup.se = NULL;
1568 lookup.mac = mac;
1569 lookup.esslen = ssid_len;
1570 lookup.essid = ssid;
1571 ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1572 if (lookup.se == NULL)
1573 return ENOENT;
1574 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1575 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1576 return EIO; /* XXX unique but could be better */
1577 return 0;
1578 }
1579
1580 static int
setmlme_assoc_adhoc(struct ieee80211vap * vap,const uint8_t mac[IEEE80211_ADDR_LEN],int ssid_len,const uint8_t ssid[IEEE80211_NWID_LEN])1581 setmlme_assoc_adhoc(struct ieee80211vap *vap,
1582 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1583 const uint8_t ssid[IEEE80211_NWID_LEN])
1584 {
1585 struct ieee80211_scan_req *sr;
1586 int error;
1587
1588 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS ||
1589 vap->iv_opmode == IEEE80211_M_AHDEMO,
1590 ("expected opmode IBSS or AHDEMO not %s",
1591 ieee80211_opmode_name[vap->iv_opmode]));
1592
1593 if (ssid_len == 0 || ssid_len > IEEE80211_NWID_LEN)
1594 return EINVAL;
1595
1596 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
1597 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1598 if (sr == NULL)
1599 return ENOMEM;
1600
1601 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */
1602 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
1603 vap->iv_des_ssid[0].len = ssid_len;
1604 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len);
1605 vap->iv_des_nssid = 1;
1606
1607 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE;
1608 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1609 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len);
1610 sr->sr_ssid[0].len = ssid_len;
1611 sr->sr_nssid = 1;
1612
1613 error = ieee80211_scanreq(vap, sr);
1614
1615 IEEE80211_FREE(sr, M_TEMP);
1616 return error;
1617 }
1618
1619 static int
ieee80211_ioctl_setmlme(struct ieee80211vap * vap,struct ieee80211req * ireq)1620 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1621 {
1622 struct ieee80211req_mlme mlme;
1623 int error;
1624
1625 if (ireq->i_len != sizeof(mlme))
1626 return EINVAL;
1627 error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1628 if (error)
1629 return error;
1630 if (vap->iv_opmode == IEEE80211_M_STA &&
1631 mlme.im_op == IEEE80211_MLME_ASSOC)
1632 return setmlme_assoc_sta(vap, mlme.im_macaddr,
1633 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1634 else if ((vap->iv_opmode == IEEE80211_M_IBSS ||
1635 vap->iv_opmode == IEEE80211_M_AHDEMO) &&
1636 mlme.im_op == IEEE80211_MLME_ASSOC)
1637 return setmlme_assoc_adhoc(vap, mlme.im_macaddr,
1638 mlme.im_ssid_len, mlme.im_ssid);
1639 else
1640 return setmlme_common(vap, mlme.im_op,
1641 mlme.im_macaddr, mlme.im_reason);
1642 }
1643
1644 static int
ieee80211_ioctl_macmac(struct ieee80211vap * vap,struct ieee80211req * ireq)1645 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1646 {
1647 uint8_t mac[IEEE80211_ADDR_LEN];
1648 const struct ieee80211_aclator *acl = vap->iv_acl;
1649 int error;
1650
1651 if (ireq->i_len != sizeof(mac))
1652 return EINVAL;
1653 error = copyin(ireq->i_data, mac, ireq->i_len);
1654 if (error)
1655 return error;
1656 if (acl == NULL) {
1657 acl = ieee80211_aclator_get("mac");
1658 if (acl == NULL || !acl->iac_attach(vap))
1659 return EINVAL;
1660 vap->iv_acl = acl;
1661 }
1662 if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1663 acl->iac_add(vap, mac);
1664 else
1665 acl->iac_remove(vap, mac);
1666 return 0;
1667 }
1668
1669 static int
ieee80211_ioctl_setmaccmd(struct ieee80211vap * vap,struct ieee80211req * ireq)1670 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1671 {
1672 const struct ieee80211_aclator *acl = vap->iv_acl;
1673
1674 switch (ireq->i_val) {
1675 case IEEE80211_MACCMD_POLICY_OPEN:
1676 case IEEE80211_MACCMD_POLICY_ALLOW:
1677 case IEEE80211_MACCMD_POLICY_DENY:
1678 case IEEE80211_MACCMD_POLICY_RADIUS:
1679 if (acl == NULL) {
1680 acl = ieee80211_aclator_get("mac");
1681 if (acl == NULL || !acl->iac_attach(vap))
1682 return EINVAL;
1683 vap->iv_acl = acl;
1684 }
1685 acl->iac_setpolicy(vap, ireq->i_val);
1686 break;
1687 case IEEE80211_MACCMD_FLUSH:
1688 if (acl != NULL)
1689 acl->iac_flush(vap);
1690 /* NB: silently ignore when not in use */
1691 break;
1692 case IEEE80211_MACCMD_DETACH:
1693 if (acl != NULL) {
1694 vap->iv_acl = NULL;
1695 acl->iac_detach(vap);
1696 }
1697 break;
1698 default:
1699 if (acl == NULL)
1700 return EINVAL;
1701 else
1702 return acl->iac_setioctl(vap, ireq);
1703 }
1704 return 0;
1705 }
1706
1707 static int
ieee80211_ioctl_setchanlist(struct ieee80211vap * vap,struct ieee80211req * ireq)1708 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1709 {
1710 struct ieee80211com *ic = vap->iv_ic;
1711 uint8_t *chanlist, *list;
1712 int i, nchan, maxchan, error;
1713
1714 if (ireq->i_len > sizeof(ic->ic_chan_active))
1715 ireq->i_len = sizeof(ic->ic_chan_active);
1716 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1717 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1718 if (list == NULL)
1719 return ENOMEM;
1720 error = copyin(ireq->i_data, list, ireq->i_len);
1721 if (error) {
1722 IEEE80211_FREE(list, M_TEMP);
1723 return error;
1724 }
1725 nchan = 0;
1726 chanlist = list + ireq->i_len; /* NB: zero'd already */
1727 maxchan = ireq->i_len * NBBY;
1728 for (i = 0; i < ic->ic_nchans; i++) {
1729 const struct ieee80211_channel *c = &ic->ic_channels[i];
1730 /*
1731 * Calculate the intersection of the user list and the
1732 * available channels so users can do things like specify
1733 * 1-255 to get all available channels.
1734 */
1735 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1736 setbit(chanlist, c->ic_ieee);
1737 nchan++;
1738 }
1739 }
1740 if (nchan == 0) {
1741 IEEE80211_FREE(list, M_TEMP);
1742 return EINVAL;
1743 }
1744 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */
1745 isclr(chanlist, ic->ic_bsschan->ic_ieee))
1746 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1747 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1748 ieee80211_scan_flush(vap);
1749 IEEE80211_FREE(list, M_TEMP);
1750 return ENETRESET;
1751 }
1752
1753 static int
ieee80211_ioctl_setstastats(struct ieee80211vap * vap,struct ieee80211req * ireq)1754 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1755 {
1756 struct ieee80211_node *ni;
1757 uint8_t macaddr[IEEE80211_ADDR_LEN];
1758 int error;
1759
1760 /*
1761 * NB: we could copyin ieee80211req_sta_stats so apps
1762 * could make selective changes but that's overkill;
1763 * just clear all stats for now.
1764 */
1765 if (ireq->i_len < IEEE80211_ADDR_LEN)
1766 return EINVAL;
1767 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1768 if (error != 0)
1769 return error;
1770 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1771 if (ni == NULL)
1772 return ENOENT;
1773 /* XXX require ni_vap == vap? */
1774 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1775 ieee80211_free_node(ni);
1776 return 0;
1777 }
1778
1779 static int
ieee80211_ioctl_setstatxpow(struct ieee80211vap * vap,struct ieee80211req * ireq)1780 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1781 {
1782 struct ieee80211_node *ni;
1783 struct ieee80211req_sta_txpow txpow;
1784 int error;
1785
1786 if (ireq->i_len != sizeof(txpow))
1787 return EINVAL;
1788 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1789 if (error != 0)
1790 return error;
1791 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1792 if (ni == NULL)
1793 return ENOENT;
1794 ni->ni_txpower = txpow.it_txpow;
1795 ieee80211_free_node(ni);
1796 return error;
1797 }
1798
1799 static int
ieee80211_ioctl_setwmeparam(struct ieee80211vap * vap,struct ieee80211req * ireq)1800 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1801 {
1802 struct ieee80211com *ic = vap->iv_ic;
1803 struct ieee80211_wme_state *wme = &ic->ic_wme;
1804 struct wmeParams *wmep, *chanp;
1805 int isbss, ac, aggrmode;
1806
1807 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1808 return EOPNOTSUPP;
1809
1810 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1811 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1812 aggrmode = (wme->wme_flags & WME_F_AGGRMODE);
1813 if (ac >= WME_NUM_AC)
1814 ac = WME_AC_BE;
1815 if (isbss) {
1816 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1817 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1818 } else {
1819 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1820 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1821 }
1822 switch (ireq->i_type) {
1823 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1824 wmep->wmep_logcwmin = ireq->i_val;
1825 if (!isbss || !aggrmode)
1826 chanp->wmep_logcwmin = ireq->i_val;
1827 break;
1828 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1829 wmep->wmep_logcwmax = ireq->i_val;
1830 if (!isbss || !aggrmode)
1831 chanp->wmep_logcwmax = ireq->i_val;
1832 break;
1833 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1834 wmep->wmep_aifsn = ireq->i_val;
1835 if (!isbss || !aggrmode)
1836 chanp->wmep_aifsn = ireq->i_val;
1837 break;
1838 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1839 wmep->wmep_txopLimit = ireq->i_val;
1840 if (!isbss || !aggrmode)
1841 chanp->wmep_txopLimit = ireq->i_val;
1842 break;
1843 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1844 wmep->wmep_acm = ireq->i_val;
1845 if (!aggrmode)
1846 chanp->wmep_acm = ireq->i_val;
1847 break;
1848 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1849 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1850 (ireq->i_val) == 0;
1851 break;
1852 }
1853 ieee80211_wme_updateparams(vap);
1854 return 0;
1855 }
1856
1857 static int
find11gchannel(struct ieee80211com * ic,int start,int freq)1858 find11gchannel(struct ieee80211com *ic, int start, int freq)
1859 {
1860 const struct ieee80211_channel *c;
1861 int i;
1862
1863 for (i = start+1; i < ic->ic_nchans; i++) {
1864 c = &ic->ic_channels[i];
1865 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1866 return 1;
1867 }
1868 /* NB: should not be needed but in case things are mis-sorted */
1869 for (i = 0; i < start; i++) {
1870 c = &ic->ic_channels[i];
1871 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1872 return 1;
1873 }
1874 return 0;
1875 }
1876
1877 static struct ieee80211_channel *
findchannel(struct ieee80211com * ic,int ieee,int mode)1878 findchannel(struct ieee80211com *ic, int ieee, int mode)
1879 {
1880 static const u_int chanflags[IEEE80211_MODE_MAX] = {
1881 [IEEE80211_MODE_AUTO] = 0,
1882 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A,
1883 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B,
1884 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G,
1885 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS,
1886 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A,
1887 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G,
1888 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO,
1889 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF,
1890 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER,
1891 /* NB: handled specially below */
1892 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A,
1893 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G,
1894 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A,
1895 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G,
1896 };
1897 u_int modeflags;
1898 int i;
1899
1900 modeflags = chanflags[mode];
1901 for (i = 0; i < ic->ic_nchans; i++) {
1902 struct ieee80211_channel *c = &ic->ic_channels[i];
1903
1904 if (c->ic_ieee != ieee)
1905 continue;
1906 if (mode == IEEE80211_MODE_AUTO) {
1907 /* ignore turbo channels for autoselect */
1908 if (IEEE80211_IS_CHAN_TURBO(c))
1909 continue;
1910 /*
1911 * XXX special-case 11b/g channels so we
1912 * always select the g channel if both
1913 * are present.
1914 * XXX prefer HT to non-HT?
1915 */
1916 if (!IEEE80211_IS_CHAN_B(c) ||
1917 !find11gchannel(ic, i, c->ic_freq))
1918 return c;
1919 } else {
1920 /* must check VHT specifically */
1921 if ((mode == IEEE80211_MODE_VHT_5GHZ ||
1922 mode == IEEE80211_MODE_VHT_2GHZ) &&
1923 !IEEE80211_IS_CHAN_VHT(c))
1924 continue;
1925
1926 /*
1927 * Must check HT specially - only match on HT,
1928 * not HT+VHT channels
1929 */
1930 if ((mode == IEEE80211_MODE_11NA ||
1931 mode == IEEE80211_MODE_11NG) &&
1932 !IEEE80211_IS_CHAN_HT(c))
1933 continue;
1934
1935 if ((mode == IEEE80211_MODE_11NA ||
1936 mode == IEEE80211_MODE_11NG) &&
1937 IEEE80211_IS_CHAN_VHT(c))
1938 continue;
1939
1940 /* Check that the modeflags above match */
1941 if ((c->ic_flags & modeflags) == modeflags)
1942 return c;
1943 }
1944 }
1945 return NULL;
1946 }
1947
1948 /*
1949 * Check the specified against any desired mode (aka netband).
1950 * This is only used (presently) when operating in hostap mode
1951 * to enforce consistency.
1952 */
1953 static int
check_mode_consistency(const struct ieee80211_channel * c,int mode)1954 check_mode_consistency(const struct ieee80211_channel *c, int mode)
1955 {
1956 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1957
1958 switch (mode) {
1959 case IEEE80211_MODE_11B:
1960 return (IEEE80211_IS_CHAN_B(c));
1961 case IEEE80211_MODE_11G:
1962 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1963 case IEEE80211_MODE_11A:
1964 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1965 case IEEE80211_MODE_STURBO_A:
1966 return (IEEE80211_IS_CHAN_STURBO(c));
1967 case IEEE80211_MODE_11NA:
1968 return (IEEE80211_IS_CHAN_HTA(c));
1969 case IEEE80211_MODE_11NG:
1970 return (IEEE80211_IS_CHAN_HTG(c));
1971 }
1972 return 1;
1973
1974 }
1975
1976 /*
1977 * Common code to set the current channel. If the device
1978 * is up and running this may result in an immediate channel
1979 * change or a kick of the state machine.
1980 */
1981 static int
setcurchan(struct ieee80211vap * vap,struct ieee80211_channel * c)1982 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1983 {
1984 struct ieee80211com *ic = vap->iv_ic;
1985 int error;
1986
1987 if (c != IEEE80211_CHAN_ANYC) {
1988 if (IEEE80211_IS_CHAN_RADAR(c))
1989 return EBUSY; /* XXX better code? */
1990 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1991 if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1992 return EINVAL;
1993 if (!check_mode_consistency(c, vap->iv_des_mode))
1994 return EINVAL;
1995 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1996 if (IEEE80211_IS_CHAN_NOADHOC(c))
1997 return EINVAL;
1998 }
1999 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) &&
2000 vap->iv_bss->ni_chan == c)
2001 return 0; /* NB: nothing to do */
2002 }
2003 vap->iv_des_chan = c;
2004
2005 error = 0;
2006 if (vap->iv_opmode == IEEE80211_M_MONITOR &&
2007 vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
2008 /*
2009 * Monitor mode can switch directly.
2010 */
2011 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
2012 /* XXX need state machine for other vap's to follow */
2013 ieee80211_setcurchan(ic, vap->iv_des_chan);
2014 vap->iv_bss->ni_chan = ic->ic_curchan;
2015 } else {
2016 ic->ic_curchan = vap->iv_des_chan;
2017 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
2018 }
2019 } else {
2020 /*
2021 * Need to go through the state machine in case we
2022 * need to reassociate or the like. The state machine
2023 * will pickup the desired channel and avoid scanning.
2024 */
2025 if (IS_UP_AUTO(vap))
2026 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2027 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
2028 /*
2029 * When not up+running and a real channel has
2030 * been specified fix the current channel so
2031 * there is immediate feedback; e.g. via ifconfig.
2032 */
2033 ic->ic_curchan = vap->iv_des_chan;
2034 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
2035 }
2036 }
2037 return error;
2038 }
2039
2040 /*
2041 * Old api for setting the current channel; this is
2042 * deprecated because channel numbers are ambiguous.
2043 */
2044 static int
ieee80211_ioctl_setchannel(struct ieee80211vap * vap,const struct ieee80211req * ireq)2045 ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
2046 const struct ieee80211req *ireq)
2047 {
2048 struct ieee80211com *ic = vap->iv_ic;
2049 struct ieee80211_channel *c;
2050
2051 /* XXX 0xffff overflows 16-bit signed */
2052 if (ireq->i_val == 0 ||
2053 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
2054 c = IEEE80211_CHAN_ANYC;
2055 } else {
2056 struct ieee80211_channel *c2;
2057
2058 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
2059 if (c == NULL) {
2060 c = findchannel(ic, ireq->i_val,
2061 IEEE80211_MODE_AUTO);
2062 if (c == NULL)
2063 return EINVAL;
2064 }
2065
2066 /*
2067 * Fine tune channel selection based on desired mode:
2068 * if 11b is requested, find the 11b version of any
2069 * 11g channel returned,
2070 * if static turbo, find the turbo version of any
2071 * 11a channel return,
2072 * if 11na is requested, find the ht version of any
2073 * 11a channel returned,
2074 * if 11ng is requested, find the ht version of any
2075 * 11g channel returned,
2076 * if 11ac is requested, find the 11ac version
2077 * of any 11a/11na channel returned,
2078 * (TBD) 11acg (2GHz VHT)
2079 * otherwise we should be ok with what we've got.
2080 */
2081 switch (vap->iv_des_mode) {
2082 case IEEE80211_MODE_11B:
2083 if (IEEE80211_IS_CHAN_ANYG(c)) {
2084 c2 = findchannel(ic, ireq->i_val,
2085 IEEE80211_MODE_11B);
2086 /* NB: should not happen, =>'s 11g w/o 11b */
2087 if (c2 != NULL)
2088 c = c2;
2089 }
2090 break;
2091 case IEEE80211_MODE_TURBO_A:
2092 if (IEEE80211_IS_CHAN_A(c)) {
2093 c2 = findchannel(ic, ireq->i_val,
2094 IEEE80211_MODE_TURBO_A);
2095 if (c2 != NULL)
2096 c = c2;
2097 }
2098 break;
2099 case IEEE80211_MODE_11NA:
2100 if (IEEE80211_IS_CHAN_A(c)) {
2101 c2 = findchannel(ic, ireq->i_val,
2102 IEEE80211_MODE_11NA);
2103 if (c2 != NULL)
2104 c = c2;
2105 }
2106 break;
2107 case IEEE80211_MODE_11NG:
2108 if (IEEE80211_IS_CHAN_ANYG(c)) {
2109 c2 = findchannel(ic, ireq->i_val,
2110 IEEE80211_MODE_11NG);
2111 if (c2 != NULL)
2112 c = c2;
2113 }
2114 break;
2115 case IEEE80211_MODE_VHT_2GHZ:
2116 printf("%s: TBD\n", __func__);
2117 break;
2118 case IEEE80211_MODE_VHT_5GHZ:
2119 if (IEEE80211_IS_CHAN_A(c)) {
2120 c2 = findchannel(ic, ireq->i_val,
2121 IEEE80211_MODE_VHT_5GHZ);
2122 if (c2 != NULL)
2123 c = c2;
2124 }
2125 break;
2126 default: /* NB: no static turboG */
2127 break;
2128 }
2129 }
2130 return setcurchan(vap, c);
2131 }
2132
2133 /*
2134 * New/current api for setting the current channel; a complete
2135 * channel description is provide so there is no ambiguity in
2136 * identifying the channel.
2137 */
2138 static int
ieee80211_ioctl_setcurchan(struct ieee80211vap * vap,const struct ieee80211req * ireq)2139 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
2140 const struct ieee80211req *ireq)
2141 {
2142 struct ieee80211com *ic = vap->iv_ic;
2143 struct ieee80211_channel chan, *c;
2144 int error;
2145
2146 if (ireq->i_len != sizeof(chan))
2147 return EINVAL;
2148 error = copyin(ireq->i_data, &chan, sizeof(chan));
2149 if (error != 0)
2150 return error;
2151
2152 /* XXX 0xffff overflows 16-bit signed */
2153 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
2154 c = IEEE80211_CHAN_ANYC;
2155 } else {
2156 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2157 if (c == NULL)
2158 return EINVAL;
2159 }
2160 return setcurchan(vap, c);
2161 }
2162
2163 static int
ieee80211_ioctl_setregdomain(struct ieee80211vap * vap,const struct ieee80211req * ireq)2164 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2165 const struct ieee80211req *ireq)
2166 {
2167 struct ieee80211_regdomain_req *reg;
2168 int nchans, error;
2169
2170 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2171 sizeof(struct ieee80211_channel));
2172 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2173 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2174 "%s: bad # chans, i_len %d nchans %d\n", __func__,
2175 ireq->i_len, nchans);
2176 return EINVAL;
2177 }
2178 reg = (struct ieee80211_regdomain_req *)
2179 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP,
2180 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2181 if (reg == NULL) {
2182 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2183 "%s: no memory, nchans %d\n", __func__, nchans);
2184 return ENOMEM;
2185 }
2186 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2187 if (error == 0) {
2188 /* NB: validate inline channel count against storage size */
2189 if (reg->chaninfo.ic_nchans != nchans) {
2190 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2191 "%s: chan cnt mismatch, %d != %d\n", __func__,
2192 reg->chaninfo.ic_nchans, nchans);
2193 error = EINVAL;
2194 } else
2195 error = ieee80211_setregdomain(vap, reg);
2196 }
2197 IEEE80211_FREE(reg, M_TEMP);
2198
2199 return (error == 0 ? ENETRESET : error);
2200 }
2201
2202 static int
checkrate(const struct ieee80211_rateset * rs,int rate)2203 checkrate(const struct ieee80211_rateset *rs, int rate)
2204 {
2205 int i;
2206
2207 if (rate == IEEE80211_FIXED_RATE_NONE)
2208 return 1;
2209 for (i = 0; i < rs->rs_nrates; i++)
2210 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2211 return 1;
2212 return 0;
2213 }
2214
2215 static int
checkmcs(const struct ieee80211_htrateset * rs,int mcs)2216 checkmcs(const struct ieee80211_htrateset *rs, int mcs)
2217 {
2218 int rate_val = IEEE80211_RV(mcs);
2219 int i;
2220
2221 if (mcs == IEEE80211_FIXED_RATE_NONE)
2222 return 1;
2223 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */
2224 return 0;
2225 for (i = 0; i < rs->rs_nrates; i++)
2226 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val)
2227 return 1;
2228 return 0;
2229 }
2230
2231 static int
ieee80211_ioctl_setroam(struct ieee80211vap * vap,const struct ieee80211req * ireq)2232 ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2233 const struct ieee80211req *ireq)
2234 {
2235 struct ieee80211com *ic = vap->iv_ic;
2236 struct ieee80211_roamparams_req *parms;
2237 struct ieee80211_roamparam *src, *dst;
2238 const struct ieee80211_htrateset *rs_ht;
2239 const struct ieee80211_rateset *rs;
2240 int changed, error, mode, is11n, nmodes;
2241
2242 if (ireq->i_len != sizeof(vap->iv_roamparms))
2243 return EINVAL;
2244
2245 parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP,
2246 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2247 if (parms == NULL)
2248 return ENOMEM;
2249
2250 error = copyin(ireq->i_data, parms, ireq->i_len);
2251 if (error != 0)
2252 goto fail;
2253
2254 changed = 0;
2255 nmodes = IEEE80211_MODE_MAX;
2256
2257 /* validate parameters and check if anything changed */
2258 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2259 if (isclr(ic->ic_modecaps, mode))
2260 continue;
2261 src = &parms->params[mode];
2262 dst = &vap->iv_roamparms[mode];
2263 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */
2264 rs_ht = &ic->ic_sup_htrates;
2265 is11n = (mode == IEEE80211_MODE_11NA ||
2266 mode == IEEE80211_MODE_11NG);
2267 /* XXX TODO: 11ac */
2268 if (src->rate != dst->rate) {
2269 if (!checkrate(rs, src->rate) &&
2270 (!is11n || !checkmcs(rs_ht, src->rate))) {
2271 error = EINVAL;
2272 goto fail;
2273 }
2274 changed++;
2275 }
2276 if (src->rssi != dst->rssi)
2277 changed++;
2278 }
2279 if (changed) {
2280 /*
2281 * Copy new parameters in place and notify the
2282 * driver so it can push state to the device.
2283 */
2284 /* XXX locking? */
2285 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2286 if (isset(ic->ic_modecaps, mode))
2287 vap->iv_roamparms[mode] = parms->params[mode];
2288 }
2289
2290 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE)
2291 error = ERESTART;
2292 }
2293
2294 fail: IEEE80211_FREE(parms, M_TEMP);
2295 return error;
2296 }
2297
2298 static int
ieee80211_ioctl_settxparams(struct ieee80211vap * vap,const struct ieee80211req * ireq)2299 ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2300 const struct ieee80211req *ireq)
2301 {
2302 struct ieee80211com *ic = vap->iv_ic;
2303 struct ieee80211_txparams_req parms; /* XXX stack use? */
2304 struct ieee80211_txparam *src, *dst;
2305 const struct ieee80211_htrateset *rs_ht;
2306 const struct ieee80211_rateset *rs;
2307 int error, mode, changed, is11n, nmodes;
2308
2309 /* NB: accept short requests for backwards compat */
2310 if (ireq->i_len > sizeof(parms))
2311 return EINVAL;
2312 error = copyin(ireq->i_data, &parms, ireq->i_len);
2313 if (error != 0)
2314 return error;
2315 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2316 changed = 0;
2317 /* validate parameters and check if anything changed */
2318 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2319 if (isclr(ic->ic_modecaps, mode))
2320 continue;
2321 src = &parms.params[mode];
2322 dst = &vap->iv_txparms[mode];
2323 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */
2324 rs_ht = &ic->ic_sup_htrates;
2325 is11n = (mode == IEEE80211_MODE_11NA ||
2326 mode == IEEE80211_MODE_11NG);
2327 if (src->ucastrate != dst->ucastrate) {
2328 if (!checkrate(rs, src->ucastrate) &&
2329 (!is11n || !checkmcs(rs_ht, src->ucastrate)))
2330 return EINVAL;
2331 changed++;
2332 }
2333 if (src->mcastrate != dst->mcastrate) {
2334 if (!checkrate(rs, src->mcastrate) &&
2335 (!is11n || !checkmcs(rs_ht, src->mcastrate)))
2336 return EINVAL;
2337 changed++;
2338 }
2339 if (src->mgmtrate != dst->mgmtrate) {
2340 if (!checkrate(rs, src->mgmtrate) &&
2341 (!is11n || !checkmcs(rs_ht, src->mgmtrate)))
2342 return EINVAL;
2343 changed++;
2344 }
2345 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2346 changed++;
2347 }
2348 if (changed) {
2349 /*
2350 * Copy new parameters in place and notify the
2351 * driver so it can push state to the device.
2352 */
2353 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2354 if (isset(ic->ic_modecaps, mode))
2355 vap->iv_txparms[mode] = parms.params[mode];
2356 }
2357 /* XXX could be more intelligent,
2358 e.g. don't reset if setting not being used */
2359 return ENETRESET;
2360 }
2361 return 0;
2362 }
2363
2364 /*
2365 * Application Information Element support.
2366 */
2367 static int
setappie(struct ieee80211_appie ** aie,const struct ieee80211req * ireq)2368 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2369 {
2370 struct ieee80211_appie *app = *aie;
2371 struct ieee80211_appie *napp;
2372 int error;
2373
2374 if (ireq->i_len == 0) { /* delete any existing ie */
2375 if (app != NULL) {
2376 *aie = NULL; /* XXX racey */
2377 IEEE80211_FREE(app, M_80211_NODE_IE);
2378 }
2379 return 0;
2380 }
2381 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2382 return EINVAL;
2383 /*
2384 * Allocate a new appie structure and copy in the user data.
2385 * When done swap in the new structure. Note that we do not
2386 * guard against users holding a ref to the old structure;
2387 * this must be handled outside this code.
2388 *
2389 * XXX bad bad bad
2390 */
2391 napp = (struct ieee80211_appie *) IEEE80211_MALLOC(
2392 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE,
2393 IEEE80211_M_NOWAIT);
2394 if (napp == NULL)
2395 return ENOMEM;
2396 /* XXX holding ic lock */
2397 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2398 if (error) {
2399 IEEE80211_FREE(napp, M_80211_NODE_IE);
2400 return error;
2401 }
2402 napp->ie_len = ireq->i_len;
2403 *aie = napp;
2404 if (app != NULL)
2405 IEEE80211_FREE(app, M_80211_NODE_IE);
2406 return 0;
2407 }
2408
2409 static void
setwparsnie(struct ieee80211vap * vap,uint8_t * ie,int space)2410 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2411 {
2412 /* validate data is present as best we can */
2413 if (space == 0 || 2+ie[1] > space)
2414 return;
2415 if (ie[0] == IEEE80211_ELEMID_VENDOR)
2416 vap->iv_wpa_ie = ie;
2417 else if (ie[0] == IEEE80211_ELEMID_RSN)
2418 vap->iv_rsn_ie = ie;
2419 }
2420
2421 static int
ieee80211_ioctl_setappie_locked(struct ieee80211vap * vap,const struct ieee80211req * ireq,int fc0)2422 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2423 const struct ieee80211req *ireq, int fc0)
2424 {
2425 int error;
2426
2427 IEEE80211_LOCK_ASSERT(vap->iv_ic);
2428
2429 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2430 case IEEE80211_FC0_SUBTYPE_BEACON:
2431 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2432 vap->iv_opmode != IEEE80211_M_IBSS) {
2433 error = EINVAL;
2434 break;
2435 }
2436 error = setappie(&vap->iv_appie_beacon, ireq);
2437 if (error == 0)
2438 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2439 break;
2440 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2441 error = setappie(&vap->iv_appie_proberesp, ireq);
2442 break;
2443 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2444 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2445 error = setappie(&vap->iv_appie_assocresp, ireq);
2446 else
2447 error = EINVAL;
2448 break;
2449 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2450 error = setappie(&vap->iv_appie_probereq, ireq);
2451 break;
2452 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2453 if (vap->iv_opmode == IEEE80211_M_STA)
2454 error = setappie(&vap->iv_appie_assocreq, ireq);
2455 else
2456 error = EINVAL;
2457 break;
2458 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2459 error = setappie(&vap->iv_appie_wpa, ireq);
2460 if (error == 0) {
2461 /*
2462 * Must split single blob of data into separate
2463 * WPA and RSN ie's because they go in different
2464 * locations in the mgt frames.
2465 * XXX use IEEE80211_IOC_WPA2 so user code does split
2466 */
2467 vap->iv_wpa_ie = NULL;
2468 vap->iv_rsn_ie = NULL;
2469 if (vap->iv_appie_wpa != NULL) {
2470 struct ieee80211_appie *appie =
2471 vap->iv_appie_wpa;
2472 uint8_t *data = appie->ie_data;
2473
2474 /* XXX ie length validate is painful, cheat */
2475 setwparsnie(vap, data, appie->ie_len);
2476 setwparsnie(vap, data + 2 + data[1],
2477 appie->ie_len - (2 + data[1]));
2478 }
2479 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2480 vap->iv_opmode == IEEE80211_M_IBSS) {
2481 /*
2482 * Must rebuild beacon frame as the update
2483 * mechanism doesn't handle WPA/RSN ie's.
2484 * Could extend it but it doesn't normally
2485 * change; this is just to deal with hostapd
2486 * plumbing the ie after the interface is up.
2487 */
2488 error = ENETRESET;
2489 }
2490 }
2491 break;
2492 default:
2493 error = EINVAL;
2494 break;
2495 }
2496 return error;
2497 }
2498
2499 static int
ieee80211_ioctl_setappie(struct ieee80211vap * vap,const struct ieee80211req * ireq)2500 ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2501 const struct ieee80211req *ireq)
2502 {
2503 struct ieee80211com *ic = vap->iv_ic;
2504 int error;
2505 uint8_t fc0;
2506
2507 fc0 = ireq->i_val & 0xff;
2508 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2509 return EINVAL;
2510 /* NB: could check iv_opmode and reject but hardly worth the effort */
2511 IEEE80211_LOCK(ic);
2512 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2513 IEEE80211_UNLOCK(ic);
2514 return error;
2515 }
2516
2517 static int
ieee80211_ioctl_chanswitch(struct ieee80211vap * vap,struct ieee80211req * ireq)2518 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2519 {
2520 struct ieee80211com *ic = vap->iv_ic;
2521 struct ieee80211_chanswitch_req csr;
2522 struct ieee80211_channel *c;
2523 int error;
2524
2525 if (ireq->i_len != sizeof(csr))
2526 return EINVAL;
2527 error = copyin(ireq->i_data, &csr, sizeof(csr));
2528 if (error != 0)
2529 return error;
2530 /* XXX adhoc mode not supported */
2531 if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2532 (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2533 return EOPNOTSUPP;
2534 c = ieee80211_find_channel(ic,
2535 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2536 if (c == NULL)
2537 return ENOENT;
2538 IEEE80211_LOCK(ic);
2539 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2540 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2541 else if (csr.csa_count == 0)
2542 ieee80211_csa_cancelswitch(ic);
2543 else
2544 error = EBUSY;
2545 IEEE80211_UNLOCK(ic);
2546 return error;
2547 }
2548
2549 static int
ieee80211_scanreq(struct ieee80211vap * vap,struct ieee80211_scan_req * sr)2550 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr)
2551 {
2552 #define IEEE80211_IOC_SCAN_FLAGS \
2553 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2554 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2555 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2556 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2557 IEEE80211_IOC_SCAN_CHECK)
2558 struct ieee80211com *ic = vap->iv_ic;
2559 int error, i;
2560
2561 /* convert duration */
2562 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2563 sr->sr_duration = IEEE80211_SCAN_FOREVER;
2564 else {
2565 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2566 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2567 return EINVAL;
2568 sr->sr_duration = msecs_to_ticks(sr->sr_duration);
2569 }
2570 /* convert min/max channel dwell */
2571 if (sr->sr_mindwell != 0)
2572 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell);
2573 if (sr->sr_maxdwell != 0)
2574 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell);
2575 /* NB: silently reduce ssid count to what is supported */
2576 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID)
2577 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID;
2578 for (i = 0; i < sr->sr_nssid; i++)
2579 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN)
2580 return EINVAL;
2581 /* cleanse flags just in case, could reject if invalid flags */
2582 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2583 /*
2584 * Add an implicit NOPICK if the vap is not marked UP. This
2585 * allows applications to scan without joining a bss (or picking
2586 * a channel and setting up a bss) and without forcing manual
2587 * roaming mode--you just need to mark the parent device UP.
2588 */
2589 if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2590 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2591
2592 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2593 "%s: vap %p iv_state %#x (%s) flags 0x%x%s "
2594 "duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2595 __func__, vap, vap->iv_state, ieee80211_state_name[vap->iv_state],
2596 sr->sr_flags,
2597 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2598 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid);
2599 /*
2600 * If we are in INIT state then the driver has never had a chance
2601 * to setup hardware state to do a scan; we must use the state
2602 * machine to get us up to the SCAN state but once we reach SCAN
2603 * state we then want to use the supplied params. Stash the
2604 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2605 * state machines will recognize this and use the stashed params
2606 * to issue the scan request.
2607 *
2608 * Otherwise just invoke the scan machinery directly.
2609 */
2610 IEEE80211_LOCK(ic);
2611 if (ic->ic_nrunning == 0) {
2612 IEEE80211_UNLOCK(ic);
2613 return ENXIO;
2614 }
2615
2616 if (vap->iv_state == IEEE80211_S_INIT) {
2617 /* NB: clobbers previous settings */
2618 vap->iv_scanreq_flags = sr->sr_flags;
2619 vap->iv_scanreq_duration = sr->sr_duration;
2620 vap->iv_scanreq_nssid = sr->sr_nssid;
2621 for (i = 0; i < sr->sr_nssid; i++) {
2622 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len;
2623 memcpy(vap->iv_scanreq_ssid[i].ssid,
2624 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len);
2625 }
2626 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2627 IEEE80211_UNLOCK(ic);
2628 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2629 } else {
2630 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2631 IEEE80211_UNLOCK(ic);
2632 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2633 error = ieee80211_check_scan(vap, sr->sr_flags,
2634 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2635 sr->sr_nssid,
2636 /* NB: cheat, we assume structures are compatible */
2637 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2638 } else {
2639 error = ieee80211_start_scan(vap, sr->sr_flags,
2640 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2641 sr->sr_nssid,
2642 /* NB: cheat, we assume structures are compatible */
2643 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2644 }
2645 if (error == 0)
2646 return EINPROGRESS;
2647 }
2648 return 0;
2649 #undef IEEE80211_IOC_SCAN_FLAGS
2650 }
2651
2652 static int
ieee80211_ioctl_scanreq(struct ieee80211vap * vap,struct ieee80211req * ireq)2653 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2654 {
2655 struct ieee80211_scan_req *sr;
2656 int error;
2657
2658 if (ireq->i_len != sizeof(*sr))
2659 return EINVAL;
2660 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
2661 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2662 if (sr == NULL)
2663 return ENOMEM;
2664 error = copyin(ireq->i_data, sr, sizeof(*sr));
2665 if (error != 0)
2666 goto bad;
2667 error = ieee80211_scanreq(vap, sr);
2668 bad:
2669 IEEE80211_FREE(sr, M_TEMP);
2670 return error;
2671 }
2672
2673 static int
ieee80211_ioctl_setstavlan(struct ieee80211vap * vap,struct ieee80211req * ireq)2674 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2675 {
2676 struct ieee80211_node *ni;
2677 struct ieee80211req_sta_vlan vlan;
2678 int error;
2679
2680 if (ireq->i_len != sizeof(vlan))
2681 return EINVAL;
2682 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2683 if (error != 0)
2684 return error;
2685 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2686 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2687 vlan.sv_macaddr);
2688 if (ni == NULL)
2689 return ENOENT;
2690 } else
2691 ni = ieee80211_ref_node(vap->iv_bss);
2692 ni->ni_vlan = vlan.sv_vlan;
2693 ieee80211_free_node(ni);
2694 return error;
2695 }
2696
2697 static int
isvap11g(const struct ieee80211vap * vap)2698 isvap11g(const struct ieee80211vap *vap)
2699 {
2700 const struct ieee80211_node *bss = vap->iv_bss;
2701 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2702 IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2703 }
2704
2705 static int
isvapht(const struct ieee80211vap * vap)2706 isvapht(const struct ieee80211vap *vap)
2707 {
2708 const struct ieee80211_node *bss = vap->iv_bss;
2709 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2710 IEEE80211_IS_CHAN_HT(bss->ni_chan);
2711 }
2712
2713 /*
2714 * Dummy ioctl set handler so the linker set is defined.
2715 */
2716 static int
dummy_ioctl_set(struct ieee80211vap * vap,struct ieee80211req * ireq)2717 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2718 {
2719 return ENOSYS;
2720 }
2721 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2722
2723 static int
ieee80211_ioctl_setdefault(struct ieee80211vap * vap,struct ieee80211req * ireq)2724 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2725 {
2726 ieee80211_ioctl_setfunc * const *set;
2727 int error;
2728
2729 SET_FOREACH(set, ieee80211_ioctl_setset) {
2730 error = (*set)(vap, ireq);
2731 if (error != ENOSYS)
2732 return error;
2733 }
2734 return EINVAL;
2735 }
2736
2737 static int
ieee80211_ioctl_set80211(struct ieee80211vap * vap,u_long cmd,struct ieee80211req * ireq)2738 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2739 {
2740 struct ieee80211com *ic = vap->iv_ic;
2741 int error;
2742 const struct ieee80211_authenticator *auth;
2743 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2744 char tmpssid[IEEE80211_NWID_LEN];
2745 uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2746 struct ieee80211_key *k;
2747 u_int kid;
2748 uint32_t flags;
2749
2750 error = 0;
2751 switch (ireq->i_type) {
2752 case IEEE80211_IOC_SSID:
2753 if (ireq->i_val != 0 ||
2754 ireq->i_len > IEEE80211_NWID_LEN)
2755 return EINVAL;
2756 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2757 if (error)
2758 break;
2759 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2760 vap->iv_des_ssid[0].len = ireq->i_len;
2761 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2762 vap->iv_des_nssid = (ireq->i_len > 0);
2763 error = ENETRESET;
2764 break;
2765 case IEEE80211_IOC_WEP:
2766 switch (ireq->i_val) {
2767 case IEEE80211_WEP_OFF:
2768 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2769 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2770 break;
2771 case IEEE80211_WEP_ON:
2772 vap->iv_flags |= IEEE80211_F_PRIVACY;
2773 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2774 break;
2775 case IEEE80211_WEP_MIXED:
2776 vap->iv_flags |= IEEE80211_F_PRIVACY;
2777 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2778 break;
2779 }
2780 error = ENETRESET;
2781 break;
2782 case IEEE80211_IOC_WEPKEY:
2783 kid = (u_int) ireq->i_val;
2784 if (kid >= IEEE80211_WEP_NKID)
2785 return EINVAL;
2786 k = &vap->iv_nw_keys[kid];
2787 if (ireq->i_len == 0) {
2788 /* zero-len =>'s delete any existing key */
2789 (void) ieee80211_crypto_delkey(vap, k);
2790 break;
2791 }
2792 if (ireq->i_len > sizeof(tmpkey))
2793 return EINVAL;
2794 memset(tmpkey, 0, sizeof(tmpkey));
2795 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2796 if (error)
2797 break;
2798 ieee80211_key_update_begin(vap);
2799 k->wk_keyix = kid; /* NB: force fixed key id */
2800 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2801 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2802 k->wk_keylen = ireq->i_len;
2803 memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2804 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2805 if (!ieee80211_crypto_setkey(vap, k))
2806 error = EINVAL;
2807 } else
2808 error = EINVAL;
2809 ieee80211_key_update_end(vap);
2810 break;
2811 case IEEE80211_IOC_WEPTXKEY:
2812 kid = (u_int) ireq->i_val;
2813 if (kid >= IEEE80211_WEP_NKID &&
2814 (uint16_t) kid != IEEE80211_KEYIX_NONE)
2815 return EINVAL;
2816 /*
2817 * Firmware devices may need to be told about an explicit
2818 * key index here, versus just inferring it from the
2819 * key set / change. Since we may also need to pause
2820 * things like transmit before the key is updated,
2821 * give the driver a chance to flush things by tying
2822 * into key update begin/end.
2823 */
2824 ieee80211_key_update_begin(vap);
2825 ieee80211_crypto_set_deftxkey(vap, kid);
2826 ieee80211_key_update_end(vap);
2827 break;
2828 case IEEE80211_IOC_AUTHMODE:
2829 switch (ireq->i_val) {
2830 case IEEE80211_AUTH_WPA:
2831 case IEEE80211_AUTH_8021X: /* 802.1x */
2832 case IEEE80211_AUTH_OPEN: /* open */
2833 case IEEE80211_AUTH_SHARED: /* shared-key */
2834 case IEEE80211_AUTH_AUTO: /* auto */
2835 auth = ieee80211_authenticator_get(ireq->i_val);
2836 if (auth == NULL)
2837 return EINVAL;
2838 break;
2839 default:
2840 return EINVAL;
2841 }
2842 switch (ireq->i_val) {
2843 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
2844 vap->iv_flags |= IEEE80211_F_PRIVACY;
2845 ireq->i_val = IEEE80211_AUTH_8021X;
2846 break;
2847 case IEEE80211_AUTH_OPEN: /* open */
2848 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2849 break;
2850 case IEEE80211_AUTH_SHARED: /* shared-key */
2851 case IEEE80211_AUTH_8021X: /* 802.1x */
2852 vap->iv_flags &= ~IEEE80211_F_WPA;
2853 /* both require a key so mark the PRIVACY capability */
2854 vap->iv_flags |= IEEE80211_F_PRIVACY;
2855 break;
2856 case IEEE80211_AUTH_AUTO: /* auto */
2857 vap->iv_flags &= ~IEEE80211_F_WPA;
2858 /* XXX PRIVACY handling? */
2859 /* XXX what's the right way to do this? */
2860 break;
2861 }
2862 /* NB: authenticator attach/detach happens on state change */
2863 vap->iv_bss->ni_authmode = ireq->i_val;
2864 /* XXX mixed/mode/usage? */
2865 vap->iv_auth = auth;
2866 error = ENETRESET;
2867 break;
2868 case IEEE80211_IOC_CHANNEL:
2869 error = ieee80211_ioctl_setchannel(vap, ireq);
2870 break;
2871 case IEEE80211_IOC_POWERSAVE:
2872 switch (ireq->i_val) {
2873 case IEEE80211_POWERSAVE_OFF:
2874 if (vap->iv_flags & IEEE80211_F_PMGTON) {
2875 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2876 error = ERESTART;
2877 }
2878 break;
2879 case IEEE80211_POWERSAVE_ON:
2880 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2881 error = EOPNOTSUPP;
2882 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2883 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2884 error = ERESTART;
2885 }
2886 break;
2887 default:
2888 error = EINVAL;
2889 break;
2890 }
2891 break;
2892 case IEEE80211_IOC_POWERSAVESLEEP:
2893 if (ireq->i_val < 0)
2894 return EINVAL;
2895 ic->ic_lintval = ireq->i_val;
2896 error = ERESTART;
2897 break;
2898 case IEEE80211_IOC_RTSTHRESHOLD:
2899 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2900 ireq->i_val <= IEEE80211_RTS_MAX))
2901 return EINVAL;
2902 vap->iv_rtsthreshold = ireq->i_val;
2903 error = ERESTART;
2904 break;
2905 case IEEE80211_IOC_PROTMODE:
2906 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2907 return EINVAL;
2908 vap->iv_protmode = (enum ieee80211_protmode)ireq->i_val;
2909 /* NB: if not operating in 11g this can wait */
2910 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2911 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2912 error = ERESTART;
2913 /* driver callback for protection mode update */
2914 ieee80211_vap_update_erp_protmode(vap);
2915 break;
2916 case IEEE80211_IOC_TXPOWER:
2917 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2918 return EOPNOTSUPP;
2919 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2920 ireq->i_val <= IEEE80211_TXPOWER_MAX))
2921 return EINVAL;
2922 ic->ic_txpowlimit = ireq->i_val;
2923 error = ERESTART;
2924 break;
2925 case IEEE80211_IOC_ROAMING:
2926 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2927 ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2928 return EINVAL;
2929 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val;
2930 /* XXXX reset? */
2931 break;
2932 case IEEE80211_IOC_PRIVACY:
2933 if (ireq->i_val) {
2934 /* XXX check for key state? */
2935 vap->iv_flags |= IEEE80211_F_PRIVACY;
2936 } else
2937 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2938 /* XXX ERESTART? */
2939 break;
2940 case IEEE80211_IOC_DROPUNENCRYPTED:
2941 if (ireq->i_val)
2942 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2943 else
2944 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2945 /* XXX ERESTART? */
2946 break;
2947 case IEEE80211_IOC_WPAKEY:
2948 error = ieee80211_ioctl_setkey(vap, ireq);
2949 break;
2950 case IEEE80211_IOC_DELKEY:
2951 error = ieee80211_ioctl_delkey(vap, ireq);
2952 break;
2953 case IEEE80211_IOC_MLME:
2954 error = ieee80211_ioctl_setmlme(vap, ireq);
2955 break;
2956 case IEEE80211_IOC_COUNTERMEASURES:
2957 if (ireq->i_val) {
2958 if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2959 return EOPNOTSUPP;
2960 vap->iv_flags |= IEEE80211_F_COUNTERM;
2961 } else
2962 vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2963 /* XXX ERESTART? */
2964 break;
2965 case IEEE80211_IOC_WPA:
2966 if (ireq->i_val > 3)
2967 return EINVAL;
2968 /* XXX verify ciphers available */
2969 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2970 switch (ireq->i_val) {
2971 case 0:
2972 /* wpa_supplicant calls this to clear the WPA config */
2973 break;
2974 case 1:
2975 if (!(vap->iv_caps & IEEE80211_C_WPA1))
2976 return EOPNOTSUPP;
2977 flags |= IEEE80211_F_WPA1;
2978 break;
2979 case 2:
2980 if (!(vap->iv_caps & IEEE80211_C_WPA2))
2981 return EOPNOTSUPP;
2982 flags |= IEEE80211_F_WPA2;
2983 break;
2984 case 3:
2985 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2986 return EOPNOTSUPP;
2987 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2988 break;
2989 default: /* Can't set any -> error */
2990 return EOPNOTSUPP;
2991 }
2992 vap->iv_flags = flags;
2993 error = ERESTART; /* NB: can change beacon frame */
2994 break;
2995 case IEEE80211_IOC_WME:
2996 if (ireq->i_val) {
2997 if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2998 return EOPNOTSUPP;
2999 ieee80211_syncflag(vap, IEEE80211_F_WME);
3000 } else
3001 ieee80211_syncflag(vap, -IEEE80211_F_WME);
3002 error = ERESTART; /* NB: can change beacon frame */
3003 break;
3004 case IEEE80211_IOC_HIDESSID:
3005 if (ireq->i_val)
3006 vap->iv_flags |= IEEE80211_F_HIDESSID;
3007 else
3008 vap->iv_flags &= ~IEEE80211_F_HIDESSID;
3009 error = ERESTART; /* XXX ENETRESET? */
3010 break;
3011 case IEEE80211_IOC_APBRIDGE:
3012 if (ireq->i_val == 0)
3013 vap->iv_flags |= IEEE80211_F_NOBRIDGE;
3014 else
3015 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
3016 break;
3017 case IEEE80211_IOC_BSSID:
3018 if (ireq->i_len != sizeof(tmpbssid))
3019 return EINVAL;
3020 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
3021 if (error)
3022 break;
3023 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
3024 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
3025 vap->iv_flags &= ~IEEE80211_F_DESBSSID;
3026 else
3027 vap->iv_flags |= IEEE80211_F_DESBSSID;
3028 error = ENETRESET;
3029 break;
3030 case IEEE80211_IOC_CHANLIST:
3031 error = ieee80211_ioctl_setchanlist(vap, ireq);
3032 break;
3033 #define OLD_IEEE80211_IOC_SCAN_REQ 23
3034 #ifdef OLD_IEEE80211_IOC_SCAN_REQ
3035 case OLD_IEEE80211_IOC_SCAN_REQ:
3036 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
3037 "%s: active scan request\n", __func__);
3038 /*
3039 * If we are in INIT state then the driver has never
3040 * had a chance to setup hardware state to do a scan;
3041 * use the state machine to get us up the SCAN state.
3042 * Otherwise just invoke the scan machinery to start
3043 * a one-time scan.
3044 */
3045 if (vap->iv_state == IEEE80211_S_INIT)
3046 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
3047 else
3048 (void) ieee80211_start_scan(vap,
3049 IEEE80211_SCAN_ACTIVE |
3050 IEEE80211_SCAN_NOPICK |
3051 IEEE80211_SCAN_ONCE,
3052 IEEE80211_SCAN_FOREVER, 0, 0,
3053 /* XXX use ioctl params */
3054 vap->iv_des_nssid, vap->iv_des_ssid);
3055 break;
3056 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */
3057 case IEEE80211_IOC_SCAN_REQ:
3058 error = ieee80211_ioctl_scanreq(vap, ireq);
3059 break;
3060 case IEEE80211_IOC_SCAN_CANCEL:
3061 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
3062 "%s: cancel scan\n", __func__);
3063 ieee80211_cancel_scan(vap);
3064 break;
3065 case IEEE80211_IOC_HTCONF:
3066 if (ireq->i_val & 1)
3067 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
3068 else
3069 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
3070 if (ireq->i_val & 2)
3071 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
3072 else
3073 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
3074 error = ENETRESET;
3075 break;
3076 case IEEE80211_IOC_ADDMAC:
3077 case IEEE80211_IOC_DELMAC:
3078 error = ieee80211_ioctl_macmac(vap, ireq);
3079 break;
3080 case IEEE80211_IOC_MACCMD:
3081 error = ieee80211_ioctl_setmaccmd(vap, ireq);
3082 break;
3083 case IEEE80211_IOC_STA_STATS:
3084 error = ieee80211_ioctl_setstastats(vap, ireq);
3085 break;
3086 case IEEE80211_IOC_STA_TXPOW:
3087 error = ieee80211_ioctl_setstatxpow(vap, ireq);
3088 break;
3089 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
3090 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
3091 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
3092 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
3093 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
3094 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */
3095 error = ieee80211_ioctl_setwmeparam(vap, ireq);
3096 break;
3097 case IEEE80211_IOC_DTIM_PERIOD:
3098 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3099 vap->iv_opmode != IEEE80211_M_MBSS &&
3100 vap->iv_opmode != IEEE80211_M_IBSS)
3101 return EINVAL;
3102 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
3103 ireq->i_val <= IEEE80211_DTIM_MAX) {
3104 vap->iv_dtim_period = ireq->i_val;
3105 error = ENETRESET; /* requires restart */
3106 } else
3107 error = EINVAL;
3108 break;
3109 case IEEE80211_IOC_BEACON_INTERVAL:
3110 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3111 vap->iv_opmode != IEEE80211_M_MBSS &&
3112 vap->iv_opmode != IEEE80211_M_IBSS)
3113 return EINVAL;
3114 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
3115 ireq->i_val <= IEEE80211_BINTVAL_MAX) {
3116 ic->ic_bintval = ireq->i_val;
3117 error = ENETRESET; /* requires restart */
3118 } else
3119 error = EINVAL;
3120 break;
3121 case IEEE80211_IOC_PUREG:
3122 if (ireq->i_val)
3123 vap->iv_flags |= IEEE80211_F_PUREG;
3124 else
3125 vap->iv_flags &= ~IEEE80211_F_PUREG;
3126 /* NB: reset only if we're operating on an 11g channel */
3127 if (isvap11g(vap))
3128 error = ENETRESET;
3129 break;
3130 case IEEE80211_IOC_QUIET:
3131 vap->iv_quiet= ireq->i_val;
3132 break;
3133 case IEEE80211_IOC_QUIET_COUNT:
3134 vap->iv_quiet_count=ireq->i_val;
3135 break;
3136 case IEEE80211_IOC_QUIET_PERIOD:
3137 vap->iv_quiet_period=ireq->i_val;
3138 break;
3139 case IEEE80211_IOC_QUIET_OFFSET:
3140 vap->iv_quiet_offset=ireq->i_val;
3141 break;
3142 case IEEE80211_IOC_QUIET_DUR:
3143 if(ireq->i_val < vap->iv_bss->ni_intval)
3144 vap->iv_quiet_duration = ireq->i_val;
3145 else
3146 error = EINVAL;
3147 break;
3148 case IEEE80211_IOC_BGSCAN:
3149 if (ireq->i_val) {
3150 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
3151 return EOPNOTSUPP;
3152 vap->iv_flags |= IEEE80211_F_BGSCAN;
3153 } else
3154 vap->iv_flags &= ~IEEE80211_F_BGSCAN;
3155 break;
3156 case IEEE80211_IOC_BGSCAN_IDLE:
3157 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
3158 vap->iv_bgscanidle = ireq->i_val*hz/1000;
3159 else
3160 error = EINVAL;
3161 break;
3162 case IEEE80211_IOC_BGSCAN_INTERVAL:
3163 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
3164 vap->iv_bgscanintvl = ireq->i_val*hz;
3165 else
3166 error = EINVAL;
3167 break;
3168 case IEEE80211_IOC_SCANVALID:
3169 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
3170 vap->iv_scanvalid = ireq->i_val*hz;
3171 else
3172 error = EINVAL;
3173 break;
3174 case IEEE80211_IOC_FRAGTHRESHOLD:
3175 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
3176 ireq->i_val != IEEE80211_FRAG_MAX)
3177 return EOPNOTSUPP;
3178 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
3179 ireq->i_val <= IEEE80211_FRAG_MAX))
3180 return EINVAL;
3181 vap->iv_fragthreshold = ireq->i_val;
3182 error = ERESTART;
3183 break;
3184 case IEEE80211_IOC_BURST:
3185 if (ireq->i_val) {
3186 if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
3187 return EOPNOTSUPP;
3188 ieee80211_syncflag(vap, IEEE80211_F_BURST);
3189 } else
3190 ieee80211_syncflag(vap, -IEEE80211_F_BURST);
3191 error = ERESTART;
3192 break;
3193 case IEEE80211_IOC_BMISSTHRESHOLD:
3194 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
3195 ireq->i_val <= IEEE80211_HWBMISS_MAX))
3196 return EINVAL;
3197 vap->iv_bmissthreshold = ireq->i_val;
3198 error = ERESTART;
3199 break;
3200 case IEEE80211_IOC_CURCHAN:
3201 error = ieee80211_ioctl_setcurchan(vap, ireq);
3202 break;
3203 case IEEE80211_IOC_SHORTGI:
3204 if (ireq->i_val) {
3205 #define IEEE80211_HTCAP_SHORTGI \
3206 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
3207 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
3208 return EINVAL;
3209 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
3210 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
3211 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
3212 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
3213 #undef IEEE80211_HTCAP_SHORTGI
3214 } else
3215 vap->iv_flags_ht &=
3216 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
3217 error = ERESTART;
3218 break;
3219 case IEEE80211_IOC_AMPDU:
3220 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
3221 return EINVAL;
3222 if (ireq->i_val & 1)
3223 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
3224 else
3225 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
3226 if (ireq->i_val & 2)
3227 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
3228 else
3229 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
3230 /* NB: reset only if we're operating on an 11n channel */
3231 if (isvapht(vap))
3232 error = ERESTART;
3233 break;
3234 case IEEE80211_IOC_AMPDU_LIMIT:
3235 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */
3236 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
3237 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
3238 return EINVAL;
3239 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3240 vap->iv_ampdu_rxmax = ireq->i_val;
3241 else
3242 vap->iv_ampdu_limit = ireq->i_val;
3243 error = ERESTART;
3244 break;
3245 case IEEE80211_IOC_AMPDU_DENSITY:
3246 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
3247 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
3248 return EINVAL;
3249 vap->iv_ampdu_density = ireq->i_val;
3250 error = ERESTART;
3251 break;
3252 case IEEE80211_IOC_AMSDU:
3253 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
3254 return EINVAL;
3255 if (ireq->i_val & 1)
3256 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
3257 else
3258 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
3259 if (ireq->i_val & 2)
3260 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
3261 else
3262 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
3263 /* NB: reset only if we're operating on an 11n channel */
3264 if (isvapht(vap))
3265 error = ERESTART;
3266 break;
3267 case IEEE80211_IOC_AMSDU_LIMIT:
3268 /* XXX validate */
3269 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */
3270 break;
3271 case IEEE80211_IOC_PUREN:
3272 if (ireq->i_val) {
3273 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3274 return EINVAL;
3275 vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3276 } else
3277 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3278 /* NB: reset only if we're operating on an 11n channel */
3279 if (isvapht(vap))
3280 error = ERESTART;
3281 break;
3282 case IEEE80211_IOC_DOTH:
3283 if (ireq->i_val) {
3284 #if 0
3285 /* XXX no capability */
3286 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3287 return EOPNOTSUPP;
3288 #endif
3289 vap->iv_flags |= IEEE80211_F_DOTH;
3290 } else
3291 vap->iv_flags &= ~IEEE80211_F_DOTH;
3292 error = ENETRESET;
3293 break;
3294 case IEEE80211_IOC_REGDOMAIN:
3295 error = ieee80211_ioctl_setregdomain(vap, ireq);
3296 break;
3297 case IEEE80211_IOC_ROAM:
3298 error = ieee80211_ioctl_setroam(vap, ireq);
3299 break;
3300 case IEEE80211_IOC_TXPARAMS:
3301 error = ieee80211_ioctl_settxparams(vap, ireq);
3302 break;
3303 case IEEE80211_IOC_HTCOMPAT:
3304 if (ireq->i_val) {
3305 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3306 return EOPNOTSUPP;
3307 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3308 } else
3309 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3310 /* NB: reset only if we're operating on an 11n channel */
3311 if (isvapht(vap))
3312 error = ERESTART;
3313 break;
3314 case IEEE80211_IOC_DWDS:
3315 if (ireq->i_val) {
3316 /* NB: DWDS only makes sense for WDS-capable devices */
3317 if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3318 return EOPNOTSUPP;
3319 /* NB: DWDS is used only with ap+sta vaps */
3320 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3321 vap->iv_opmode != IEEE80211_M_STA)
3322 return EINVAL;
3323 vap->iv_flags |= IEEE80211_F_DWDS;
3324 if (vap->iv_opmode == IEEE80211_M_STA)
3325 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3326 } else {
3327 vap->iv_flags &= ~IEEE80211_F_DWDS;
3328 if (vap->iv_opmode == IEEE80211_M_STA)
3329 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3330 }
3331 break;
3332 case IEEE80211_IOC_INACTIVITY:
3333 if (ireq->i_val)
3334 vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3335 else
3336 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3337 break;
3338 case IEEE80211_IOC_APPIE:
3339 error = ieee80211_ioctl_setappie(vap, ireq);
3340 break;
3341 case IEEE80211_IOC_WPS:
3342 if (ireq->i_val) {
3343 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3344 return EOPNOTSUPP;
3345 vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3346 } else
3347 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3348 break;
3349 case IEEE80211_IOC_TSN:
3350 if (ireq->i_val) {
3351 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3352 return EOPNOTSUPP;
3353 vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3354 } else
3355 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3356 break;
3357 case IEEE80211_IOC_CHANSWITCH:
3358 error = ieee80211_ioctl_chanswitch(vap, ireq);
3359 break;
3360 case IEEE80211_IOC_DFS:
3361 if (ireq->i_val) {
3362 if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3363 return EOPNOTSUPP;
3364 /* NB: DFS requires 11h support */
3365 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3366 return EINVAL;
3367 vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3368 } else
3369 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3370 break;
3371 case IEEE80211_IOC_DOTD:
3372 if (ireq->i_val)
3373 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3374 else
3375 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3376 if (vap->iv_opmode == IEEE80211_M_STA)
3377 error = ENETRESET;
3378 break;
3379 case IEEE80211_IOC_HTPROTMODE:
3380 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3381 return EINVAL;
3382 vap->iv_htprotmode = ireq->i_val ?
3383 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3384 /* NB: if not operating in 11n this can wait */
3385 if (isvapht(vap))
3386 error = ERESTART;
3387 /* Notify driver layer of HT protmode changes */
3388 ieee80211_vap_update_ht_protmode(vap);
3389 break;
3390 case IEEE80211_IOC_STA_VLAN:
3391 error = ieee80211_ioctl_setstavlan(vap, ireq);
3392 break;
3393 case IEEE80211_IOC_SMPS:
3394 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3395 ireq->i_val == 0x0008) /* value of 2 is reserved */
3396 return EINVAL;
3397 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3398 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3399 return EOPNOTSUPP;
3400 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3401 ireq->i_val;
3402 /* NB: if not operating in 11n this can wait */
3403 if (isvapht(vap))
3404 error = ERESTART;
3405 break;
3406 case IEEE80211_IOC_RIFS:
3407 if (ireq->i_val != 0) {
3408 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3409 return EOPNOTSUPP;
3410 vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3411 } else
3412 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3413 /* NB: if not operating in 11n this can wait */
3414 if (isvapht(vap))
3415 error = ERESTART;
3416 break;
3417 case IEEE80211_IOC_STBC:
3418 /* Check if we can do STBC TX/RX before changing the setting */
3419 if ((ireq->i_val & 1) &&
3420 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0))
3421 return EOPNOTSUPP;
3422 if ((ireq->i_val & 2) &&
3423 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0))
3424 return EOPNOTSUPP;
3425
3426 /* TX */
3427 if (ireq->i_val & 1)
3428 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX;
3429 else
3430 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX;
3431
3432 /* RX */
3433 if (ireq->i_val & 2)
3434 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX;
3435 else
3436 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX;
3437
3438 /* NB: reset only if we're operating on an 11n channel */
3439 if (isvapht(vap))
3440 error = ERESTART;
3441 break;
3442 case IEEE80211_IOC_LDPC:
3443 /* Check if we can do LDPC TX/RX before changing the setting */
3444 if ((ireq->i_val & 1) &&
3445 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0)
3446 return EOPNOTSUPP;
3447 if ((ireq->i_val & 2) &&
3448 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0)
3449 return EOPNOTSUPP;
3450
3451 /* TX */
3452 if (ireq->i_val & 1)
3453 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX;
3454 else
3455 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX;
3456
3457 /* RX */
3458 if (ireq->i_val & 2)
3459 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX;
3460 else
3461 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX;
3462
3463 /* NB: reset only if we're operating on an 11n channel */
3464 if (isvapht(vap))
3465 error = ERESTART;
3466 break;
3467 case IEEE80211_IOC_UAPSD:
3468 if ((vap->iv_caps & IEEE80211_C_UAPSD) == 0)
3469 return EOPNOTSUPP;
3470 if (ireq->i_val == 0)
3471 vap->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD;
3472 else if (ireq->i_val == 1)
3473 vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD;
3474 else
3475 return EINVAL;
3476 break;
3477
3478 /* VHT */
3479 case IEEE80211_IOC_VHTCONF:
3480 if (ireq->i_val & IEEE80211_FVHT_VHT)
3481 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT);
3482 else
3483 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT);
3484
3485 if (ireq->i_val & IEEE80211_FVHT_USEVHT40)
3486 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40);
3487 else
3488 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40);
3489
3490 if (ireq->i_val & IEEE80211_FVHT_USEVHT80)
3491 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80);
3492 else
3493 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80);
3494
3495 if (ireq->i_val & IEEE80211_FVHT_USEVHT160)
3496 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160);
3497 else
3498 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160);
3499
3500 if (ireq->i_val & IEEE80211_FVHT_USEVHT80P80)
3501 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80);
3502 else
3503 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80);
3504
3505 /* Check if we can do STBC TX/RX before changing the setting. */
3506 if ((ireq->i_val & IEEE80211_FVHT_STBC_TX) &&
3507 ((vap->iv_vht_cap.vht_cap_info & IEEE80211_VHTCAP_TXSTBC) == 0))
3508 return EOPNOTSUPP;
3509 if ((ireq->i_val & IEEE80211_FVHT_STBC_RX) &&
3510 ((vap->iv_vht_cap.vht_cap_info & IEEE80211_VHTCAP_RXSTBC_MASK) == 0))
3511 return EOPNOTSUPP;
3512
3513 /* TX */
3514 if (ireq->i_val & IEEE80211_FVHT_STBC_TX)
3515 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_STBC_TX);
3516 else
3517 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_STBC_TX);
3518
3519 /* RX */
3520 if (ireq->i_val & IEEE80211_FVHT_STBC_RX)
3521 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_STBC_RX);
3522 else
3523 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_STBC_RX);
3524
3525 error = ENETRESET;
3526 break;
3527
3528 default:
3529 error = ieee80211_ioctl_setdefault(vap, ireq);
3530 break;
3531 }
3532 /*
3533 * The convention is that ENETRESET means an operation
3534 * requires a complete re-initialization of the device (e.g.
3535 * changing something that affects the association state).
3536 * ERESTART means the request may be handled with only a
3537 * reload of the hardware state. We hand ERESTART requests
3538 * to the iv_reset callback so the driver can decide. If
3539 * a device does not fillin iv_reset then it defaults to one
3540 * that returns ENETRESET. Otherwise a driver may return
3541 * ENETRESET (in which case a full reset will be done) or
3542 * 0 to mean there's no need to do anything (e.g. when the
3543 * change has no effect on the driver/device).
3544 */
3545 if (error == ERESTART)
3546 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3547 vap->iv_reset(vap, ireq->i_type) : 0;
3548 if (error == ENETRESET) {
3549 /* XXX need to re-think AUTO handling */
3550 if (IS_UP_AUTO(vap))
3551 ieee80211_init(vap);
3552 error = 0;
3553 }
3554 return error;
3555 }
3556
3557 int
ieee80211_ioctl(struct ifnet * ifp,u_long cmd,caddr_t data)3558 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3559 {
3560 struct ieee80211vap *vap = ifp->if_softc;
3561 struct ieee80211com *ic = vap->iv_ic;
3562 int error = 0, wait = 0, ic_used;
3563 struct ifreq *ifr;
3564 struct ifaddr *ifa; /* XXX */
3565
3566 ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS);
3567 if (ic_used && (error = ieee80211_com_vincref(vap)) != 0)
3568 return (error);
3569
3570 switch (cmd) {
3571 case SIOCSIFFLAGS:
3572 IEEE80211_LOCK(ic);
3573 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) {
3574 /*
3575 * Enable promiscuous mode when:
3576 * 1. Interface is not a member of bridge, or
3577 * 2. Requested by user, or
3578 * 3. In monitor (or adhoc-demo) mode.
3579 */
3580 if (ifp->if_bridge == NULL ||
3581 (ifp->if_flags & IFF_PPROMISC) != 0 ||
3582 vap->iv_opmode == IEEE80211_M_MONITOR ||
3583 (vap->iv_opmode == IEEE80211_M_AHDEMO &&
3584 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) {
3585 ieee80211_promisc(vap,
3586 ifp->if_flags & IFF_PROMISC);
3587 vap->iv_ifflags ^= IFF_PROMISC;
3588 }
3589 }
3590 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) {
3591 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI);
3592 vap->iv_ifflags ^= IFF_ALLMULTI;
3593 }
3594 if (ifp->if_flags & IFF_UP) {
3595 /*
3596 * Bring ourself up unless we're already operational.
3597 * If we're the first vap and the parent is not up
3598 * then it will automatically be brought up as a
3599 * side-effect of bringing ourself up.
3600 */
3601 if (vap->iv_state == IEEE80211_S_INIT) {
3602 if (ic->ic_nrunning == 0)
3603 wait = 1;
3604 ieee80211_start_locked(vap);
3605 }
3606 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3607 /*
3608 * Stop ourself. If we are the last vap to be
3609 * marked down the parent will also be taken down.
3610 */
3611 if (ic->ic_nrunning == 1)
3612 wait = 1;
3613 ieee80211_stop_locked(vap);
3614 }
3615 IEEE80211_UNLOCK(ic);
3616 /* Wait for parent ioctl handler if it was queued */
3617 if (wait) {
3618 struct epoch_tracker et;
3619
3620 ieee80211_waitfor_parent(ic);
3621
3622 /*
3623 * Check if the MAC address was changed
3624 * via SIOCSIFLLADDR ioctl.
3625 *
3626 * NB: device may be detached during initialization;
3627 * use if_ioctl for existence check.
3628 */
3629 NET_EPOCH_ENTER(et);
3630 if (ifp->if_ioctl == ieee80211_ioctl &&
3631 (ifp->if_flags & IFF_UP) == 0 &&
3632 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp)))
3633 IEEE80211_ADDR_COPY(vap->iv_myaddr,
3634 IF_LLADDR(ifp));
3635 NET_EPOCH_EXIT(et);
3636 }
3637 break;
3638 case SIOCADDMULTI:
3639 case SIOCDELMULTI:
3640 ieee80211_runtask(ic, &ic->ic_mcast_task);
3641 break;
3642 case SIOCSIFMEDIA:
3643 case SIOCGIFMEDIA:
3644 ifr = (struct ifreq *)data;
3645 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3646 break;
3647 case SIOCG80211:
3648 error = ieee80211_ioctl_get80211(vap, cmd,
3649 (struct ieee80211req *) data);
3650 break;
3651 case SIOCS80211:
3652 error = ieee80211_priv_check_vap_manage(cmd, vap, ifp);
3653 if (error == 0)
3654 error = ieee80211_ioctl_set80211(vap, cmd,
3655 (struct ieee80211req *) data);
3656 break;
3657 case SIOCG80211STATS:
3658 ifr = (struct ifreq *)data;
3659 error = copyout(&vap->iv_stats, ifr_data_get_ptr(ifr),
3660 sizeof(vap->iv_stats));
3661 break;
3662 case SIOCSIFMTU:
3663 ifr = (struct ifreq *)data;
3664 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3665 ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3666 error = EINVAL;
3667 else
3668 ifp->if_mtu = ifr->ifr_mtu;
3669 break;
3670 case SIOCSIFADDR:
3671 /*
3672 * XXX Handle this directly so we can suppress if_init calls.
3673 * XXX This should be done in ether_ioctl but for the moment
3674 * XXX there are too many other parts of the system that
3675 * XXX set IFF_UP and so suppress if_init being called when
3676 * XXX it should be.
3677 */
3678 ifa = (struct ifaddr *) data;
3679 switch (ifa->ifa_addr->sa_family) {
3680 #ifdef INET
3681 case AF_INET:
3682 if ((ifp->if_flags & IFF_UP) == 0) {
3683 ifp->if_flags |= IFF_UP;
3684 ifp->if_init(ifp->if_softc);
3685 }
3686 arp_ifinit(ifp, ifa);
3687 break;
3688 #endif
3689 default:
3690 if ((ifp->if_flags & IFF_UP) == 0) {
3691 ifp->if_flags |= IFF_UP;
3692 ifp->if_init(ifp->if_softc);
3693 }
3694 break;
3695 }
3696 break;
3697 case SIOCSIFLLADDR:
3698 error = ieee80211_priv_check_vap_setmac(cmd, vap, ifp);
3699 if (error == 0)
3700 break;
3701 /* Fallthrough */
3702 default:
3703 /*
3704 * Pass unknown ioctls first to the driver, and if it
3705 * returns ENOTTY, then to the generic Ethernet handler.
3706 */
3707 if (ic->ic_ioctl != NULL &&
3708 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY)
3709 break;
3710 error = ether_ioctl(ifp, cmd, data);
3711 break;
3712 }
3713
3714 if (ic_used)
3715 ieee80211_com_vdecref(vap);
3716
3717 return (error);
3718 }
3719