1 /*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
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/priv.h>
42 #include <sys/socket.h>
43 #include <sys/sockio.h>
44 #include <sys/systm.h>
45
46 #include <net/if.h>
47 #include <net/if_var.h>
48 #include <net/if_dl.h>
49 #include <net/if_media.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
73 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
74 {
75 struct ieee80211com *ic = vap->iv_ic;
76 struct ieee80211_node *ni;
77 struct ieee80211req_key ik;
78 struct ieee80211_key *wk;
79 const struct ieee80211_cipher *cip;
80 u_int kid;
81 int error;
82
83 if (ireq->i_len != sizeof(ik))
84 return EINVAL;
85 error = copyin(ireq->i_data, &ik, sizeof(ik));
86 if (error)
87 return error;
88 kid = ik.ik_keyix;
89 if (kid == IEEE80211_KEYIX_NONE) {
90 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
91 if (ni == NULL)
92 return ENOENT;
93 wk = &ni->ni_ucastkey;
94 } else {
95 if (kid >= IEEE80211_WEP_NKID)
96 return EINVAL;
97 wk = &vap->iv_nw_keys[kid];
98 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
99 ni = NULL;
100 }
101 cip = wk->wk_cipher;
102 ik.ik_type = cip->ic_cipher;
103 ik.ik_keylen = wk->wk_keylen;
104 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
105 if (wk->wk_keyix == vap->iv_def_txkey)
106 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
107 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
108 /* NB: only root can read key data */
109 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
110 ik.ik_keytsc = wk->wk_keytsc;
111 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
112 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
113 memcpy(ik.ik_keydata+wk->wk_keylen,
114 wk->wk_key + IEEE80211_KEYBUF_SIZE,
115 IEEE80211_MICBUF_SIZE);
116 ik.ik_keylen += IEEE80211_MICBUF_SIZE;
117 }
118 } else {
119 ik.ik_keyrsc = 0;
120 ik.ik_keytsc = 0;
121 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
122 }
123 if (ni != NULL)
124 ieee80211_free_node(ni);
125 return copyout(&ik, ireq->i_data, sizeof(ik));
126 }
127
128 static int
129 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
130 {
131 struct ieee80211com *ic = vap->iv_ic;
132
133 if (sizeof(ic->ic_chan_active) < ireq->i_len)
134 ireq->i_len = sizeof(ic->ic_chan_active);
135 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
136 }
137
138 static int
139 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
140 {
141 struct ieee80211com *ic = vap->iv_ic;
142 uint32_t space;
143
144 space = __offsetof(struct ieee80211req_chaninfo,
145 ic_chans[ic->ic_nchans]);
146 if (space > ireq->i_len)
147 space = ireq->i_len;
148 /* XXX assumes compatible layout */
149 return copyout(&ic->ic_nchans, ireq->i_data, space);
150 }
151
152 static int
153 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
154 struct ieee80211req *ireq, int req)
155 {
156 struct ieee80211_node *ni;
157 struct ieee80211req_wpaie2 *wpaie;
158 int error;
159
160 if (ireq->i_len < IEEE80211_ADDR_LEN)
161 return EINVAL;
162 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP,
163 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
164 if (wpaie == NULL)
165 return ENOMEM;
166 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN);
167 if (error != 0)
168 goto bad;
169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr);
170 if (ni == NULL) {
171 error = ENOENT;
172 goto bad;
173 }
174 if (ni->ni_ies.wpa_ie != NULL) {
175 int ielen = ni->ni_ies.wpa_ie[1] + 2;
176 if (ielen > sizeof(wpaie->wpa_ie))
177 ielen = sizeof(wpaie->wpa_ie);
178 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen);
179 }
180 if (req == IEEE80211_IOC_WPAIE2) {
181 if (ni->ni_ies.rsn_ie != NULL) {
182 int ielen = ni->ni_ies.rsn_ie[1] + 2;
183 if (ielen > sizeof(wpaie->rsn_ie))
184 ielen = sizeof(wpaie->rsn_ie);
185 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen);
186 }
187 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
188 ireq->i_len = sizeof(struct ieee80211req_wpaie2);
189 } else {
190 /* compatibility op, may overwrite wpa ie */
191 /* XXX check ic_flags? */
192 if (ni->ni_ies.rsn_ie != NULL) {
193 int ielen = ni->ni_ies.rsn_ie[1] + 2;
194 if (ielen > sizeof(wpaie->wpa_ie))
195 ielen = sizeof(wpaie->wpa_ie);
196 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen);
197 }
198 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
199 ireq->i_len = sizeof(struct ieee80211req_wpaie);
200 }
201 ieee80211_free_node(ni);
202 error = copyout(wpaie, ireq->i_data, ireq->i_len);
203 bad:
204 IEEE80211_FREE(wpaie, M_TEMP);
205 return error;
206 }
207
208 static int
209 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
210 {
211 struct ieee80211_node *ni;
212 uint8_t macaddr[IEEE80211_ADDR_LEN];
213 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats);
214 int error;
215
216 if (ireq->i_len < off)
217 return EINVAL;
218 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
219 if (error != 0)
220 return error;
221 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
222 if (ni == NULL)
223 return ENOENT;
224 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
225 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
226 /* NB: copy out only the statistics */
227 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
228 ireq->i_len - off);
229 ieee80211_free_node(ni);
230 return error;
231 }
232
233 struct scanreq {
234 struct ieee80211req_scan_result *sr;
235 size_t space;
236 };
237
238 static size_t
239 scan_space(const struct ieee80211_scan_entry *se, int *ielen)
240 {
241 size_t len;
242
243 *ielen = se->se_ies.len;
244 /*
245 * NB: ie's can be no more than 255 bytes and the max 802.11
246 * packet is <3Kbytes so we are sure this doesn't overflow
247 * 16-bits; if this is a concern we can drop the ie's.
248 */
249 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] +
250 se->se_meshid[1] + *ielen;
251 return roundup(len, sizeof(uint32_t));
252 }
253
254 static void
255 get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
256 {
257 struct scanreq *req = arg;
258 int ielen;
259
260 req->space += scan_space(se, &ielen);
261 }
262
263 static void
264 get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
265 {
266 struct scanreq *req = arg;
267 struct ieee80211req_scan_result *sr;
268 int ielen, len, nr, nxr;
269 uint8_t *cp;
270
271 len = scan_space(se, &ielen);
272 if (len > req->space)
273 return;
274
275 sr = req->sr;
276 KASSERT(len <= 65535 && ielen <= 65535,
277 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
278 sr->isr_len = len;
279 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
280 sr->isr_ie_len = ielen;
281 sr->isr_freq = se->se_chan->ic_freq;
282 sr->isr_flags = se->se_chan->ic_flags;
283 sr->isr_rssi = se->se_rssi;
284 sr->isr_noise = se->se_noise;
285 sr->isr_intval = se->se_intval;
286 sr->isr_capinfo = se->se_capinfo;
287 sr->isr_erp = se->se_erp;
288 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
289 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
290 memcpy(sr->isr_rates, se->se_rates+2, nr);
291 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
292 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
293 sr->isr_nrates = nr + nxr;
294
295 /* copy SSID */
296 sr->isr_ssid_len = se->se_ssid[1];
297 cp = ((uint8_t *)sr) + sr->isr_ie_off;
298 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
299
300 /* copy mesh id */
301 cp += sr->isr_ssid_len;
302 sr->isr_meshid_len = se->se_meshid[1];
303 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len);
304 cp += sr->isr_meshid_len;
305
306 if (ielen)
307 memcpy(cp, se->se_ies.data, ielen);
308
309 req->space -= len;
310 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
311 }
312
313 static int
314 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
315 struct ieee80211req *ireq)
316 {
317 struct scanreq req;
318 int error;
319
320 if (ireq->i_len < sizeof(struct scanreq))
321 return EFAULT;
322
323 error = 0;
324 req.space = 0;
325 ieee80211_scan_iterate(vap, get_scan_space, &req);
326 if (req.space > ireq->i_len)
327 req.space = ireq->i_len;
328 if (req.space > 0) {
329 uint32_t space;
330 void *p;
331
332 space = req.space;
333 /* XXX M_WAITOK after driver lock released */
334 p = IEEE80211_MALLOC(space, M_TEMP,
335 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
336 if (p == NULL)
337 return ENOMEM;
338 req.sr = p;
339 ieee80211_scan_iterate(vap, get_scan_result, &req);
340 ireq->i_len = space - req.space;
341 error = copyout(p, ireq->i_data, ireq->i_len);
342 IEEE80211_FREE(p, M_TEMP);
343 } else
344 ireq->i_len = 0;
345
346 return error;
347 }
348
349 struct stainforeq {
350 struct ieee80211vap *vap;
351 struct ieee80211req_sta_info *si;
352 size_t space;
353 };
354
355 static size_t
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
364 get_sta_space(void *arg, struct ieee80211_node *ni)
365 {
366 struct stainforeq *req = arg;
367 size_t ielen;
368
369 if (req->vap != ni->ni_vap)
370 return;
371 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
372 ni->ni_associd == 0) /* only associated stations */
373 return;
374 req->space += sta_space(ni, &ielen);
375 }
376
377 static void
378 get_sta_info(void *arg, struct ieee80211_node *ni)
379 {
380 struct stainforeq *req = arg;
381 struct ieee80211vap *vap = ni->ni_vap;
382 struct ieee80211req_sta_info *si;
383 size_t ielen, len;
384 uint8_t *cp;
385
386 if (req->vap != ni->ni_vap)
387 return;
388 if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
389 ni->ni_associd == 0) /* only associated stations */
390 return;
391 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
392 return;
393 len = sta_space(ni, &ielen);
394 if (len > req->space)
395 return;
396 si = req->si;
397 si->isi_len = len;
398 si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
399 si->isi_ie_len = ielen;
400 si->isi_freq = ni->ni_chan->ic_freq;
401 si->isi_flags = ni->ni_chan->ic_flags;
402 si->isi_state = ni->ni_flags;
403 si->isi_authmode = ni->ni_authmode;
404 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
405 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
406 si->isi_capinfo = ni->ni_capinfo;
407 si->isi_erp = ni->ni_erp;
408 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
409 si->isi_nrates = ni->ni_rates.rs_nrates;
410 if (si->isi_nrates > 15)
411 si->isi_nrates = 15;
412 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
413 si->isi_txrate = ni->ni_txrate;
414 if (si->isi_txrate & IEEE80211_RATE_MCS) {
415 const struct ieee80211_mcs_rates *mcs =
416 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
417 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
418 if (ni->ni_flags & IEEE80211_NODE_SGI40)
419 si->isi_txmbps = mcs->ht40_rate_800ns;
420 else
421 si->isi_txmbps = mcs->ht40_rate_400ns;
422 } else {
423 if (ni->ni_flags & IEEE80211_NODE_SGI20)
424 si->isi_txmbps = mcs->ht20_rate_800ns;
425 else
426 si->isi_txmbps = mcs->ht20_rate_400ns;
427 }
428 } else
429 si->isi_txmbps = si->isi_txrate;
430 si->isi_associd = ni->ni_associd;
431 si->isi_txpower = ni->ni_txpower;
432 si->isi_vlan = ni->ni_vlan;
433 if (ni->ni_flags & IEEE80211_NODE_QOS) {
434 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
435 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
436 } else {
437 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
438 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
439 }
440 /* NB: leave all cases in case we relax ni_associd == 0 check */
441 if (ieee80211_node_is_authorized(ni))
442 si->isi_inact = vap->iv_inact_run;
443 else if (ni->ni_associd != 0 ||
444 (vap->iv_opmode == IEEE80211_M_WDS &&
445 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
446 si->isi_inact = vap->iv_inact_auth;
447 else
448 si->isi_inact = vap->iv_inact_init;
449 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
450 si->isi_localid = ni->ni_mllid;
451 si->isi_peerid = ni->ni_mlpid;
452 si->isi_peerstate = ni->ni_mlstate;
453
454 if (ielen) {
455 cp = ((uint8_t *)si) + si->isi_ie_off;
456 memcpy(cp, ni->ni_ies.data, ielen);
457 }
458
459 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
460 req->space -= len;
461 }
462
463 static int
464 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
465 struct ieee80211_node *ni, size_t off)
466 {
467 struct ieee80211com *ic = vap->iv_ic;
468 struct stainforeq req;
469 size_t space;
470 void *p;
471 int error;
472
473 error = 0;
474 req.space = 0;
475 req.vap = vap;
476 if (ni == NULL)
477 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
478 else
479 get_sta_space(&req, ni);
480 if (req.space > ireq->i_len)
481 req.space = ireq->i_len;
482 if (req.space > 0) {
483 space = req.space;
484 /* XXX M_WAITOK after driver lock released */
485 p = IEEE80211_MALLOC(space, M_TEMP,
486 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
487 if (p == NULL) {
488 error = ENOMEM;
489 goto bad;
490 }
491 req.si = p;
492 if (ni == NULL)
493 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
494 else
495 get_sta_info(&req, ni);
496 ireq->i_len = space - req.space;
497 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
498 IEEE80211_FREE(p, M_TEMP);
499 } else
500 ireq->i_len = 0;
501 bad:
502 if (ni != NULL)
503 ieee80211_free_node(ni);
504 return error;
505 }
506
507 static int
508 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
509 {
510 uint8_t macaddr[IEEE80211_ADDR_LEN];
511 const size_t off = __offsetof(struct ieee80211req_sta_req, info);
512 struct ieee80211_node *ni;
513 int error;
514
515 if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
516 return EFAULT;
517 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
518 if (error != 0)
519 return error;
520 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
521 ni = NULL;
522 } else {
523 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
524 if (ni == NULL)
525 return ENOENT;
526 }
527 return getstainfo_common(vap, ireq, ni, off);
528 }
529
530 static int
531 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
532 {
533 struct ieee80211_node *ni;
534 struct ieee80211req_sta_txpow txpow;
535 int error;
536
537 if (ireq->i_len != sizeof(txpow))
538 return EINVAL;
539 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
540 if (error != 0)
541 return error;
542 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
543 if (ni == NULL)
544 return ENOENT;
545 txpow.it_txpow = ni->ni_txpower;
546 error = copyout(&txpow, ireq->i_data, sizeof(txpow));
547 ieee80211_free_node(ni);
548 return error;
549 }
550
551 static int
552 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
553 {
554 struct ieee80211com *ic = vap->iv_ic;
555 struct ieee80211_wme_state *wme = &ic->ic_wme;
556 struct wmeParams *wmep;
557 int ac;
558
559 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
560 return EINVAL;
561
562 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
563 if (ac >= WME_NUM_AC)
564 ac = WME_AC_BE;
565 if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
566 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
567 else
568 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
569 switch (ireq->i_type) {
570 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
571 ireq->i_val = wmep->wmep_logcwmin;
572 break;
573 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
574 ireq->i_val = wmep->wmep_logcwmax;
575 break;
576 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
577 ireq->i_val = wmep->wmep_aifsn;
578 break;
579 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
580 ireq->i_val = wmep->wmep_txopLimit;
581 break;
582 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
583 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
584 ireq->i_val = wmep->wmep_acm;
585 break;
586 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
587 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
588 ireq->i_val = !wmep->wmep_noackPolicy;
589 break;
590 }
591 return 0;
592 }
593
594 static int
595 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
596 {
597 const struct ieee80211_aclator *acl = vap->iv_acl;
598
599 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
600 }
601
602 static int
603 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
604 {
605 struct ieee80211com *ic = vap->iv_ic;
606 struct ieee80211_channel *c;
607
608 if (ireq->i_len != sizeof(struct ieee80211_channel))
609 return EINVAL;
610 /*
611 * vap's may have different operating channels when HT is
612 * in use. When in RUN state report the vap-specific channel.
613 * Otherwise return curchan.
614 */
615 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
616 c = vap->iv_bss->ni_chan;
617 else
618 c = ic->ic_curchan;
619 return copyout(c, ireq->i_data, sizeof(*c));
620 }
621
622 static int
623 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
624 {
625 if (aie == NULL)
626 return EINVAL;
627 /* NB: truncate, caller can check length */
628 if (ireq->i_len > aie->ie_len)
629 ireq->i_len = aie->ie_len;
630 return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
631 }
632
633 static int
634 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
635 {
636 uint8_t fc0;
637
638 fc0 = ireq->i_val & 0xff;
639 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
640 return EINVAL;
641 /* NB: could check iv_opmode and reject but hardly worth the effort */
642 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
643 case IEEE80211_FC0_SUBTYPE_BEACON:
644 return getappie(vap->iv_appie_beacon, ireq);
645 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
646 return getappie(vap->iv_appie_proberesp, ireq);
647 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
648 return getappie(vap->iv_appie_assocresp, ireq);
649 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
650 return getappie(vap->iv_appie_probereq, ireq);
651 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
652 return getappie(vap->iv_appie_assocreq, ireq);
653 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
654 return getappie(vap->iv_appie_wpa, ireq);
655 }
656 return EINVAL;
657 }
658
659 static int
660 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
661 const struct ieee80211req *ireq)
662 {
663 struct ieee80211com *ic = vap->iv_ic;
664
665 if (ireq->i_len != sizeof(ic->ic_regdomain))
666 return EINVAL;
667 return copyout(&ic->ic_regdomain, ireq->i_data,
668 sizeof(ic->ic_regdomain));
669 }
670
671 static int
672 ieee80211_ioctl_getroam(struct ieee80211vap *vap,
673 const struct ieee80211req *ireq)
674 {
675 size_t len = ireq->i_len;
676 /* NB: accept short requests for backwards compat */
677 if (len > sizeof(vap->iv_roamparms))
678 len = sizeof(vap->iv_roamparms);
679 return copyout(vap->iv_roamparms, ireq->i_data, len);
680 }
681
682 static int
683 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
684 const struct ieee80211req *ireq)
685 {
686 size_t len = ireq->i_len;
687 /* NB: accept short requests for backwards compat */
688 if (len > sizeof(vap->iv_txparms))
689 len = sizeof(vap->iv_txparms);
690 return copyout(vap->iv_txparms, ireq->i_data, len);
691 }
692
693 static int
694 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
695 const struct ieee80211req *ireq)
696 {
697 struct ieee80211_devcaps_req *dc;
698 struct ieee80211req_chaninfo *ci;
699 int maxchans, error;
700
701 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
702 sizeof(struct ieee80211_channel));
703 /* NB: require 1 so we know ic_nchans is accessible */
704 if (maxchans < 1)
705 return EINVAL;
706 /* constrain max request size, 2K channels is ~24Kbytes */
707 if (maxchans > 2048)
708 maxchans = 2048;
709 dc = (struct ieee80211_devcaps_req *)
710 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP,
711 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
712 if (dc == NULL)
713 return ENOMEM;
714 dc->dc_drivercaps = ic->ic_caps;
715 dc->dc_cryptocaps = ic->ic_cryptocaps;
716 dc->dc_htcaps = ic->ic_htcaps;
717 ci = &dc->dc_chaninfo;
718 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans);
719 KASSERT(ci->ic_nchans <= maxchans,
720 ("nchans %d maxchans %d", ci->ic_nchans, maxchans));
721 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
722 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc));
723 IEEE80211_FREE(dc, M_TEMP);
724 return error;
725 }
726
727 static int
728 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
729 {
730 struct ieee80211_node *ni;
731 struct ieee80211req_sta_vlan vlan;
732 int error;
733
734 if (ireq->i_len != sizeof(vlan))
735 return EINVAL;
736 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
737 if (error != 0)
738 return error;
739 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
740 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
741 vlan.sv_macaddr);
742 if (ni == NULL)
743 return ENOENT;
744 } else
745 ni = ieee80211_ref_node(vap->iv_bss);
746 vlan.sv_vlan = ni->ni_vlan;
747 error = copyout(&vlan, ireq->i_data, sizeof(vlan));
748 ieee80211_free_node(ni);
749 return error;
750 }
751
752 /*
753 * Dummy ioctl get handler so the linker set is defined.
754 */
755 static int
756 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq)
757 {
758 return ENOSYS;
759 }
760 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get);
761
762 static int
763 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
764 {
765 ieee80211_ioctl_getfunc * const *get;
766 int error;
767
768 SET_FOREACH(get, ieee80211_ioctl_getset) {
769 error = (*get)(vap, ireq);
770 if (error != ENOSYS)
771 return error;
772 }
773 return EINVAL;
774 }
775
776 static int
777 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
778 struct ieee80211req *ireq)
779 {
780 #define MS(_v, _f) (((_v) & _f) >> _f##_S)
781 struct ieee80211com *ic = vap->iv_ic;
782 u_int kid, len;
783 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
784 char tmpssid[IEEE80211_NWID_LEN];
785 int error = 0;
786
787 switch (ireq->i_type) {
788 case IEEE80211_IOC_SSID:
789 switch (vap->iv_state) {
790 case IEEE80211_S_INIT:
791 case IEEE80211_S_SCAN:
792 ireq->i_len = vap->iv_des_ssid[0].len;
793 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
794 break;
795 default:
796 ireq->i_len = vap->iv_bss->ni_esslen;
797 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
798 break;
799 }
800 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
801 break;
802 case IEEE80211_IOC_NUMSSIDS:
803 ireq->i_val = 1;
804 break;
805 case IEEE80211_IOC_WEP:
806 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
807 ireq->i_val = IEEE80211_WEP_OFF;
808 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
809 ireq->i_val = IEEE80211_WEP_ON;
810 else
811 ireq->i_val = IEEE80211_WEP_MIXED;
812 break;
813 case IEEE80211_IOC_WEPKEY:
814 kid = (u_int) ireq->i_val;
815 if (kid >= IEEE80211_WEP_NKID)
816 return EINVAL;
817 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
818 /* NB: only root can read WEP keys */
819 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
820 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
821 } else {
822 bzero(tmpkey, len);
823 }
824 ireq->i_len = len;
825 error = copyout(tmpkey, ireq->i_data, len);
826 break;
827 case IEEE80211_IOC_NUMWEPKEYS:
828 ireq->i_val = IEEE80211_WEP_NKID;
829 break;
830 case IEEE80211_IOC_WEPTXKEY:
831 ireq->i_val = vap->iv_def_txkey;
832 break;
833 case IEEE80211_IOC_AUTHMODE:
834 if (vap->iv_flags & IEEE80211_F_WPA)
835 ireq->i_val = IEEE80211_AUTH_WPA;
836 else
837 ireq->i_val = vap->iv_bss->ni_authmode;
838 break;
839 case IEEE80211_IOC_CHANNEL:
840 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
841 break;
842 case IEEE80211_IOC_POWERSAVE:
843 if (vap->iv_flags & IEEE80211_F_PMGTON)
844 ireq->i_val = IEEE80211_POWERSAVE_ON;
845 else
846 ireq->i_val = IEEE80211_POWERSAVE_OFF;
847 break;
848 case IEEE80211_IOC_POWERSAVESLEEP:
849 ireq->i_val = ic->ic_lintval;
850 break;
851 case IEEE80211_IOC_RTSTHRESHOLD:
852 ireq->i_val = vap->iv_rtsthreshold;
853 break;
854 case IEEE80211_IOC_PROTMODE:
855 ireq->i_val = ic->ic_protmode;
856 break;
857 case IEEE80211_IOC_TXPOWER:
858 /*
859 * Tx power limit is the min of max regulatory
860 * power, any user-set limit, and the max the
861 * radio can do.
862 */
863 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
864 if (ireq->i_val > ic->ic_txpowlimit)
865 ireq->i_val = ic->ic_txpowlimit;
866 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
867 ireq->i_val = ic->ic_curchan->ic_maxpower;
868 break;
869 case IEEE80211_IOC_WPA:
870 switch (vap->iv_flags & IEEE80211_F_WPA) {
871 case IEEE80211_F_WPA1:
872 ireq->i_val = 1;
873 break;
874 case IEEE80211_F_WPA2:
875 ireq->i_val = 2;
876 break;
877 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
878 ireq->i_val = 3;
879 break;
880 default:
881 ireq->i_val = 0;
882 break;
883 }
884 break;
885 case IEEE80211_IOC_CHANLIST:
886 error = ieee80211_ioctl_getchanlist(vap, ireq);
887 break;
888 case IEEE80211_IOC_ROAMING:
889 ireq->i_val = vap->iv_roaming;
890 break;
891 case IEEE80211_IOC_PRIVACY:
892 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
893 break;
894 case IEEE80211_IOC_DROPUNENCRYPTED:
895 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
896 break;
897 case IEEE80211_IOC_COUNTERMEASURES:
898 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
899 break;
900 case IEEE80211_IOC_WME:
901 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
902 break;
903 case IEEE80211_IOC_HIDESSID:
904 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
905 break;
906 case IEEE80211_IOC_APBRIDGE:
907 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
908 break;
909 case IEEE80211_IOC_WPAKEY:
910 error = ieee80211_ioctl_getkey(vap, ireq);
911 break;
912 case IEEE80211_IOC_CHANINFO:
913 error = ieee80211_ioctl_getchaninfo(vap, ireq);
914 break;
915 case IEEE80211_IOC_BSSID:
916 if (ireq->i_len != IEEE80211_ADDR_LEN)
917 return EINVAL;
918 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) {
919 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ?
920 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid,
921 ireq->i_data, ireq->i_len);
922 } else
923 error = copyout(vap->iv_des_bssid, ireq->i_data,
924 ireq->i_len);
925 break;
926 case IEEE80211_IOC_WPAIE:
927 case IEEE80211_IOC_WPAIE2:
928 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
929 break;
930 case IEEE80211_IOC_SCAN_RESULTS:
931 error = ieee80211_ioctl_getscanresults(vap, ireq);
932 break;
933 case IEEE80211_IOC_STA_STATS:
934 error = ieee80211_ioctl_getstastats(vap, ireq);
935 break;
936 case IEEE80211_IOC_TXPOWMAX:
937 ireq->i_val = vap->iv_bss->ni_txpower;
938 break;
939 case IEEE80211_IOC_STA_TXPOW:
940 error = ieee80211_ioctl_getstatxpow(vap, ireq);
941 break;
942 case IEEE80211_IOC_STA_INFO:
943 error = ieee80211_ioctl_getstainfo(vap, ireq);
944 break;
945 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
946 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
947 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
948 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
949 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
950 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */
951 error = ieee80211_ioctl_getwmeparam(vap, ireq);
952 break;
953 case IEEE80211_IOC_DTIM_PERIOD:
954 ireq->i_val = vap->iv_dtim_period;
955 break;
956 case IEEE80211_IOC_BEACON_INTERVAL:
957 /* NB: get from ic_bss for station mode */
958 ireq->i_val = vap->iv_bss->ni_intval;
959 break;
960 case IEEE80211_IOC_PUREG:
961 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
962 break;
963 case IEEE80211_IOC_QUIET:
964 ireq->i_val = vap->iv_quiet;
965 break;
966 case IEEE80211_IOC_QUIET_COUNT:
967 ireq->i_val = vap->iv_quiet_count;
968 break;
969 case IEEE80211_IOC_QUIET_PERIOD:
970 ireq->i_val = vap->iv_quiet_period;
971 break;
972 case IEEE80211_IOC_QUIET_DUR:
973 ireq->i_val = vap->iv_quiet_duration;
974 break;
975 case IEEE80211_IOC_QUIET_OFFSET:
976 ireq->i_val = vap->iv_quiet_offset;
977 break;
978 case IEEE80211_IOC_BGSCAN:
979 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
980 break;
981 case IEEE80211_IOC_BGSCAN_IDLE:
982 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */
983 break;
984 case IEEE80211_IOC_BGSCAN_INTERVAL:
985 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */
986 break;
987 case IEEE80211_IOC_SCANVALID:
988 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */
989 break;
990 case IEEE80211_IOC_FRAGTHRESHOLD:
991 ireq->i_val = vap->iv_fragthreshold;
992 break;
993 case IEEE80211_IOC_MACCMD:
994 error = ieee80211_ioctl_getmaccmd(vap, ireq);
995 break;
996 case IEEE80211_IOC_BURST:
997 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
998 break;
999 case IEEE80211_IOC_BMISSTHRESHOLD:
1000 ireq->i_val = vap->iv_bmissthreshold;
1001 break;
1002 case IEEE80211_IOC_CURCHAN:
1003 error = ieee80211_ioctl_getcurchan(vap, ireq);
1004 break;
1005 case IEEE80211_IOC_SHORTGI:
1006 ireq->i_val = 0;
1007 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1008 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
1009 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1010 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
1011 break;
1012 case IEEE80211_IOC_AMPDU:
1013 ireq->i_val = 0;
1014 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1015 ireq->i_val |= 1;
1016 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1017 ireq->i_val |= 2;
1018 break;
1019 case IEEE80211_IOC_AMPDU_LIMIT:
1020 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1021 ireq->i_val = vap->iv_ampdu_rxmax;
1022 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
1023 /*
1024 * XXX TODO: this isn't completely correct, as we've
1025 * negotiated the higher of the two.
1026 */
1027 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1028 IEEE80211_HTCAP_MAXRXAMPDU);
1029 else
1030 ireq->i_val = vap->iv_ampdu_limit;
1031 break;
1032 case IEEE80211_IOC_AMPDU_DENSITY:
1033 if (vap->iv_opmode == IEEE80211_M_STA &&
1034 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1035 /*
1036 * XXX TODO: this isn't completely correct, as we've
1037 * negotiated the higher of the two.
1038 */
1039 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1040 IEEE80211_HTCAP_MPDUDENSITY);
1041 else
1042 ireq->i_val = vap->iv_ampdu_density;
1043 break;
1044 case IEEE80211_IOC_AMSDU:
1045 ireq->i_val = 0;
1046 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1047 ireq->i_val |= 1;
1048 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1049 ireq->i_val |= 2;
1050 break;
1051 case IEEE80211_IOC_AMSDU_LIMIT:
1052 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */
1053 break;
1054 case IEEE80211_IOC_PUREN:
1055 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1056 break;
1057 case IEEE80211_IOC_DOTH:
1058 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1059 break;
1060 case IEEE80211_IOC_REGDOMAIN:
1061 error = ieee80211_ioctl_getregdomain(vap, ireq);
1062 break;
1063 case IEEE80211_IOC_ROAM:
1064 error = ieee80211_ioctl_getroam(vap, ireq);
1065 break;
1066 case IEEE80211_IOC_TXPARAMS:
1067 error = ieee80211_ioctl_gettxparams(vap, ireq);
1068 break;
1069 case IEEE80211_IOC_HTCOMPAT:
1070 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1071 break;
1072 case IEEE80211_IOC_DWDS:
1073 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1074 break;
1075 case IEEE80211_IOC_INACTIVITY:
1076 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1077 break;
1078 case IEEE80211_IOC_APPIE:
1079 error = ieee80211_ioctl_getappie(vap, ireq);
1080 break;
1081 case IEEE80211_IOC_WPS:
1082 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1083 break;
1084 case IEEE80211_IOC_TSN:
1085 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1086 break;
1087 case IEEE80211_IOC_DFS:
1088 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1089 break;
1090 case IEEE80211_IOC_DOTD:
1091 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1092 break;
1093 case IEEE80211_IOC_DEVCAPS:
1094 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1095 break;
1096 case IEEE80211_IOC_HTPROTMODE:
1097 ireq->i_val = ic->ic_htprotmode;
1098 break;
1099 case IEEE80211_IOC_HTCONF:
1100 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1101 ireq->i_val = 1;
1102 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1103 ireq->i_val |= 2;
1104 } else
1105 ireq->i_val = 0;
1106 break;
1107 case IEEE80211_IOC_STA_VLAN:
1108 error = ieee80211_ioctl_getstavlan(vap, ireq);
1109 break;
1110 case IEEE80211_IOC_SMPS:
1111 if (vap->iv_opmode == IEEE80211_M_STA &&
1112 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) {
1113 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1114 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1115 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1116 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1117 else
1118 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1119 } else
1120 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1121 break;
1122 case IEEE80211_IOC_RIFS:
1123 if (vap->iv_opmode == IEEE80211_M_STA &&
1124 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1125 ireq->i_val =
1126 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1127 else
1128 ireq->i_val =
1129 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1130 break;
1131 case IEEE80211_IOC_STBC:
1132 ireq->i_val = 0;
1133 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX)
1134 ireq->i_val |= 1;
1135 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX)
1136 ireq->i_val |= 2;
1137 break;
1138 default:
1139 error = ieee80211_ioctl_getdefault(vap, ireq);
1140 break;
1141 }
1142 return error;
1143 #undef MS
1144 }
1145
1146 static int
1147 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1148 {
1149 struct ieee80211req_key ik;
1150 struct ieee80211_node *ni;
1151 struct ieee80211_key *wk;
1152 uint16_t kid;
1153 int error, i;
1154
1155 if (ireq->i_len != sizeof(ik))
1156 return EINVAL;
1157 error = copyin(ireq->i_data, &ik, sizeof(ik));
1158 if (error)
1159 return error;
1160 /* NB: cipher support is verified by ieee80211_crypt_newkey */
1161 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1162 if (ik.ik_keylen > sizeof(ik.ik_keydata))
1163 return E2BIG;
1164 kid = ik.ik_keyix;
1165 if (kid == IEEE80211_KEYIX_NONE) {
1166 /* XXX unicast keys currently must be tx/rx */
1167 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1168 return EINVAL;
1169 if (vap->iv_opmode == IEEE80211_M_STA) {
1170 ni = ieee80211_ref_node(vap->iv_bss);
1171 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1172 ieee80211_free_node(ni);
1173 return EADDRNOTAVAIL;
1174 }
1175 } else {
1176 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1177 ik.ik_macaddr);
1178 if (ni == NULL)
1179 return ENOENT;
1180 }
1181 wk = &ni->ni_ucastkey;
1182 } else {
1183 if (kid >= IEEE80211_WEP_NKID)
1184 return EINVAL;
1185 wk = &vap->iv_nw_keys[kid];
1186 /*
1187 * Global slots start off w/o any assigned key index.
1188 * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1189 */
1190 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1191 wk->wk_keyix = kid;
1192 ni = NULL;
1193 }
1194 error = 0;
1195 ieee80211_key_update_begin(vap);
1196 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1197 wk->wk_keylen = ik.ik_keylen;
1198 /* NB: MIC presence is implied by cipher type */
1199 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1200 wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1201 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1202 wk->wk_keyrsc[i] = ik.ik_keyrsc;
1203 wk->wk_keytsc = 0; /* new key, reset */
1204 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1205 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1206 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1207 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr);
1208 if (!ieee80211_crypto_setkey(vap, wk))
1209 error = EIO;
1210 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1211 vap->iv_def_txkey = kid;
1212 } else
1213 error = ENXIO;
1214 ieee80211_key_update_end(vap);
1215 if (ni != NULL)
1216 ieee80211_free_node(ni);
1217 return error;
1218 }
1219
1220 static int
1221 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1222 {
1223 struct ieee80211req_del_key dk;
1224 int kid, error;
1225
1226 if (ireq->i_len != sizeof(dk))
1227 return EINVAL;
1228 error = copyin(ireq->i_data, &dk, sizeof(dk));
1229 if (error)
1230 return error;
1231 kid = dk.idk_keyix;
1232 /* XXX uint8_t -> uint16_t */
1233 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1234 struct ieee80211_node *ni;
1235
1236 if (vap->iv_opmode == IEEE80211_M_STA) {
1237 ni = ieee80211_ref_node(vap->iv_bss);
1238 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1239 ieee80211_free_node(ni);
1240 return EADDRNOTAVAIL;
1241 }
1242 } else {
1243 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1244 dk.idk_macaddr);
1245 if (ni == NULL)
1246 return ENOENT;
1247 }
1248 /* XXX error return */
1249 ieee80211_node_delucastkey(ni);
1250 ieee80211_free_node(ni);
1251 } else {
1252 if (kid >= IEEE80211_WEP_NKID)
1253 return EINVAL;
1254 /* XXX error return */
1255 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1256 }
1257 return 0;
1258 }
1259
1260 struct mlmeop {
1261 struct ieee80211vap *vap;
1262 int op;
1263 int reason;
1264 };
1265
1266 static void
1267 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1268 int op, int reason)
1269 {
1270 #ifdef IEEE80211_DEBUG
1271 static const struct {
1272 int mask;
1273 const char *opstr;
1274 } ops[] = {
1275 { 0, "op#0" },
1276 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1277 IEEE80211_MSG_ASSOC, "assoc" },
1278 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1279 IEEE80211_MSG_ASSOC, "disassoc" },
1280 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1281 IEEE80211_MSG_AUTH, "deauth" },
1282 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1283 IEEE80211_MSG_AUTH, "authorize" },
1284 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1285 IEEE80211_MSG_AUTH, "unauthorize" },
1286 };
1287
1288 if (op == IEEE80211_MLME_AUTH) {
1289 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1290 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1291 "station authenticate %s via MLME (reason: %d (%s))",
1292 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1293 reason, ieee80211_reason_to_string(reason));
1294 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1295 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1296 "unknown MLME request %d (reason: %d (%s))", op, reason,
1297 ieee80211_reason_to_string(reason));
1298 } else if (reason == IEEE80211_STATUS_SUCCESS) {
1299 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1300 "station %s via MLME", ops[op].opstr);
1301 } else {
1302 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1303 "station %s via MLME (reason: %d (%s))", ops[op].opstr,
1304 reason, ieee80211_reason_to_string(reason));
1305 }
1306 #endif /* IEEE80211_DEBUG */
1307 }
1308
1309 static void
1310 domlme(void *arg, struct ieee80211_node *ni)
1311 {
1312 struct mlmeop *mop = arg;
1313 struct ieee80211vap *vap = ni->ni_vap;
1314
1315 if (vap != mop->vap)
1316 return;
1317 /*
1318 * NB: if ni_associd is zero then the node is already cleaned
1319 * up and we don't need to do this (we're safely holding a
1320 * reference but should otherwise not modify it's state).
1321 */
1322 if (ni->ni_associd == 0)
1323 return;
1324 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1325 if (mop->op == IEEE80211_MLME_DEAUTH) {
1326 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1327 mop->reason);
1328 } else {
1329 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1330 mop->reason);
1331 }
1332 ieee80211_node_leave(ni);
1333 }
1334
1335 static int
1336 setmlme_dropsta(struct ieee80211vap *vap,
1337 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1338 {
1339 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta;
1340 struct ieee80211_node *ni;
1341 int error = 0;
1342
1343 /* NB: the broadcast address means do 'em all */
1344 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) {
1345 IEEE80211_NODE_LOCK(nt);
1346 ni = ieee80211_find_node_locked(nt, mac);
1347 IEEE80211_NODE_UNLOCK(nt);
1348 /*
1349 * Don't do the node update inside the node
1350 * table lock. This unfortunately causes LORs
1351 * with drivers and their TX paths.
1352 */
1353 if (ni != NULL) {
1354 domlme(mlmeop, ni);
1355 ieee80211_free_node(ni);
1356 } else
1357 error = ENOENT;
1358 } else {
1359 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1360 }
1361 return error;
1362 }
1363
1364 static int
1365 setmlme_common(struct ieee80211vap *vap, int op,
1366 const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1367 {
1368 struct ieee80211com *ic = vap->iv_ic;
1369 struct ieee80211_node_table *nt = &ic->ic_sta;
1370 struct ieee80211_node *ni;
1371 struct mlmeop mlmeop;
1372 int error;
1373
1374 error = 0;
1375 switch (op) {
1376 case IEEE80211_MLME_DISASSOC:
1377 case IEEE80211_MLME_DEAUTH:
1378 switch (vap->iv_opmode) {
1379 case IEEE80211_M_STA:
1380 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1381 /* XXX not quite right */
1382 ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1383 break;
1384 case IEEE80211_M_HOSTAP:
1385 mlmeop.vap = vap;
1386 mlmeop.op = op;
1387 mlmeop.reason = reason;
1388 error = setmlme_dropsta(vap, mac, &mlmeop);
1389 break;
1390 case IEEE80211_M_WDS:
1391 /* XXX user app should send raw frame? */
1392 if (op != IEEE80211_MLME_DEAUTH) {
1393 error = EINVAL;
1394 break;
1395 }
1396 #if 0
1397 /* XXX accept any address, simplifies user code */
1398 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1399 error = EINVAL;
1400 break;
1401 }
1402 #endif
1403 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1404 ni = ieee80211_ref_node(vap->iv_bss);
1405 IEEE80211_SEND_MGMT(ni,
1406 IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1407 ieee80211_free_node(ni);
1408 break;
1409 case IEEE80211_M_MBSS:
1410 IEEE80211_NODE_LOCK(nt);
1411 ni = ieee80211_find_node_locked(nt, mac);
1412 /*
1413 * Don't do the node update inside the node
1414 * table lock. This unfortunately causes LORs
1415 * with drivers and their TX paths.
1416 */
1417 IEEE80211_NODE_UNLOCK(nt);
1418 if (ni != NULL) {
1419 ieee80211_node_leave(ni);
1420 ieee80211_free_node(ni);
1421 } else {
1422 error = ENOENT;
1423 }
1424 break;
1425 default:
1426 error = EINVAL;
1427 break;
1428 }
1429 break;
1430 case IEEE80211_MLME_AUTHORIZE:
1431 case IEEE80211_MLME_UNAUTHORIZE:
1432 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1433 vap->iv_opmode != IEEE80211_M_WDS) {
1434 error = EINVAL;
1435 break;
1436 }
1437 IEEE80211_NODE_LOCK(nt);
1438 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1439 /*
1440 * Don't do the node update inside the node
1441 * table lock. This unfortunately causes LORs
1442 * with drivers and their TX paths.
1443 */
1444 IEEE80211_NODE_UNLOCK(nt);
1445 if (ni != NULL) {
1446 mlmedebug(vap, mac, op, reason);
1447 if (op == IEEE80211_MLME_AUTHORIZE)
1448 ieee80211_node_authorize(ni);
1449 else
1450 ieee80211_node_unauthorize(ni);
1451 ieee80211_free_node(ni);
1452 } else
1453 error = ENOENT;
1454 break;
1455 case IEEE80211_MLME_AUTH:
1456 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1457 error = EINVAL;
1458 break;
1459 }
1460 IEEE80211_NODE_LOCK(nt);
1461 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1462 /*
1463 * Don't do the node update inside the node
1464 * table lock. This unfortunately causes LORs
1465 * with drivers and their TX paths.
1466 */
1467 IEEE80211_NODE_UNLOCK(nt);
1468 if (ni != NULL) {
1469 mlmedebug(vap, mac, op, reason);
1470 if (reason == IEEE80211_STATUS_SUCCESS) {
1471 IEEE80211_SEND_MGMT(ni,
1472 IEEE80211_FC0_SUBTYPE_AUTH, 2);
1473 /*
1474 * For shared key auth, just continue the
1475 * exchange. Otherwise when 802.1x is not in
1476 * use mark the port authorized at this point
1477 * so traffic can flow.
1478 */
1479 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1480 ni->ni_challenge == NULL)
1481 ieee80211_node_authorize(ni);
1482 } else {
1483 vap->iv_stats.is_rx_acl++;
1484 ieee80211_send_error(ni, ni->ni_macaddr,
1485 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1486 ieee80211_node_leave(ni);
1487 }
1488 ieee80211_free_node(ni);
1489 } else
1490 error = ENOENT;
1491 break;
1492 default:
1493 error = EINVAL;
1494 break;
1495 }
1496 return error;
1497 }
1498
1499 struct scanlookup {
1500 const uint8_t *mac;
1501 int esslen;
1502 const uint8_t *essid;
1503 const struct ieee80211_scan_entry *se;
1504 };
1505
1506 /*
1507 * Match mac address and any ssid.
1508 */
1509 static void
1510 mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1511 {
1512 struct scanlookup *look = arg;
1513
1514 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1515 return;
1516 if (look->esslen != 0) {
1517 if (se->se_ssid[1] != look->esslen)
1518 return;
1519 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1520 return;
1521 }
1522 look->se = se;
1523 }
1524
1525 static int
1526 setmlme_assoc_sta(struct ieee80211vap *vap,
1527 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1528 const uint8_t ssid[IEEE80211_NWID_LEN])
1529 {
1530 struct scanlookup lookup;
1531
1532 KASSERT(vap->iv_opmode == IEEE80211_M_STA,
1533 ("expected opmode STA not %s",
1534 ieee80211_opmode_name[vap->iv_opmode]));
1535
1536 /* NB: this is racey if roaming is !manual */
1537 lookup.se = NULL;
1538 lookup.mac = mac;
1539 lookup.esslen = ssid_len;
1540 lookup.essid = ssid;
1541 ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1542 if (lookup.se == NULL)
1543 return ENOENT;
1544 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1545 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1546 return EIO; /* XXX unique but could be better */
1547 return 0;
1548 }
1549
1550 static int
1551 setmlme_assoc_adhoc(struct ieee80211vap *vap,
1552 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1553 const uint8_t ssid[IEEE80211_NWID_LEN])
1554 {
1555 struct ieee80211_scan_req *sr;
1556 int error;
1557
1558 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS ||
1559 vap->iv_opmode == IEEE80211_M_AHDEMO,
1560 ("expected opmode IBSS or AHDEMO not %s",
1561 ieee80211_opmode_name[vap->iv_opmode]));
1562
1563 if (ssid_len == 0)
1564 return EINVAL;
1565
1566 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
1567 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1568 if (sr == NULL)
1569 return ENOMEM;
1570
1571 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */
1572 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
1573 vap->iv_des_ssid[0].len = ssid_len;
1574 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len);
1575 vap->iv_des_nssid = 1;
1576
1577 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE;
1578 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1579 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len);
1580 sr->sr_ssid[0].len = ssid_len;
1581 sr->sr_nssid = 1;
1582
1583 error = ieee80211_scanreq(vap, sr);
1584
1585 IEEE80211_FREE(sr, M_TEMP);
1586 return error;
1587 }
1588
1589 static int
1590 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1591 {
1592 struct ieee80211req_mlme mlme;
1593 int error;
1594
1595 if (ireq->i_len != sizeof(mlme))
1596 return EINVAL;
1597 error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1598 if (error)
1599 return error;
1600 if (vap->iv_opmode == IEEE80211_M_STA &&
1601 mlme.im_op == IEEE80211_MLME_ASSOC)
1602 return setmlme_assoc_sta(vap, mlme.im_macaddr,
1603 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1604 else if ((vap->iv_opmode == IEEE80211_M_IBSS ||
1605 vap->iv_opmode == IEEE80211_M_AHDEMO) &&
1606 mlme.im_op == IEEE80211_MLME_ASSOC)
1607 return setmlme_assoc_adhoc(vap, mlme.im_macaddr,
1608 mlme.im_ssid_len, mlme.im_ssid);
1609 else
1610 return setmlme_common(vap, mlme.im_op,
1611 mlme.im_macaddr, mlme.im_reason);
1612 }
1613
1614 static int
1615 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1616 {
1617 uint8_t mac[IEEE80211_ADDR_LEN];
1618 const struct ieee80211_aclator *acl = vap->iv_acl;
1619 int error;
1620
1621 if (ireq->i_len != sizeof(mac))
1622 return EINVAL;
1623 error = copyin(ireq->i_data, mac, ireq->i_len);
1624 if (error)
1625 return error;
1626 if (acl == NULL) {
1627 acl = ieee80211_aclator_get("mac");
1628 if (acl == NULL || !acl->iac_attach(vap))
1629 return EINVAL;
1630 vap->iv_acl = acl;
1631 }
1632 if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1633 acl->iac_add(vap, mac);
1634 else
1635 acl->iac_remove(vap, mac);
1636 return 0;
1637 }
1638
1639 static int
1640 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1641 {
1642 const struct ieee80211_aclator *acl = vap->iv_acl;
1643
1644 switch (ireq->i_val) {
1645 case IEEE80211_MACCMD_POLICY_OPEN:
1646 case IEEE80211_MACCMD_POLICY_ALLOW:
1647 case IEEE80211_MACCMD_POLICY_DENY:
1648 case IEEE80211_MACCMD_POLICY_RADIUS:
1649 if (acl == NULL) {
1650 acl = ieee80211_aclator_get("mac");
1651 if (acl == NULL || !acl->iac_attach(vap))
1652 return EINVAL;
1653 vap->iv_acl = acl;
1654 }
1655 acl->iac_setpolicy(vap, ireq->i_val);
1656 break;
1657 case IEEE80211_MACCMD_FLUSH:
1658 if (acl != NULL)
1659 acl->iac_flush(vap);
1660 /* NB: silently ignore when not in use */
1661 break;
1662 case IEEE80211_MACCMD_DETACH:
1663 if (acl != NULL) {
1664 vap->iv_acl = NULL;
1665 acl->iac_detach(vap);
1666 }
1667 break;
1668 default:
1669 if (acl == NULL)
1670 return EINVAL;
1671 else
1672 return acl->iac_setioctl(vap, ireq);
1673 }
1674 return 0;
1675 }
1676
1677 static int
1678 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1679 {
1680 struct ieee80211com *ic = vap->iv_ic;
1681 uint8_t *chanlist, *list;
1682 int i, nchan, maxchan, error;
1683
1684 if (ireq->i_len > sizeof(ic->ic_chan_active))
1685 ireq->i_len = sizeof(ic->ic_chan_active);
1686 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1687 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1688 if (list == NULL)
1689 return ENOMEM;
1690 error = copyin(ireq->i_data, list, ireq->i_len);
1691 if (error) {
1692 IEEE80211_FREE(list, M_TEMP);
1693 return error;
1694 }
1695 nchan = 0;
1696 chanlist = list + ireq->i_len; /* NB: zero'd already */
1697 maxchan = ireq->i_len * NBBY;
1698 for (i = 0; i < ic->ic_nchans; i++) {
1699 const struct ieee80211_channel *c = &ic->ic_channels[i];
1700 /*
1701 * Calculate the intersection of the user list and the
1702 * available channels so users can do things like specify
1703 * 1-255 to get all available channels.
1704 */
1705 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1706 setbit(chanlist, c->ic_ieee);
1707 nchan++;
1708 }
1709 }
1710 if (nchan == 0) {
1711 IEEE80211_FREE(list, M_TEMP);
1712 return EINVAL;
1713 }
1714 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */
1715 isclr(chanlist, ic->ic_bsschan->ic_ieee))
1716 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1717 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1718 ieee80211_scan_flush(vap);
1719 IEEE80211_FREE(list, M_TEMP);
1720 return ENETRESET;
1721 }
1722
1723 static int
1724 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1725 {
1726 struct ieee80211_node *ni;
1727 uint8_t macaddr[IEEE80211_ADDR_LEN];
1728 int error;
1729
1730 /*
1731 * NB: we could copyin ieee80211req_sta_stats so apps
1732 * could make selective changes but that's overkill;
1733 * just clear all stats for now.
1734 */
1735 if (ireq->i_len < IEEE80211_ADDR_LEN)
1736 return EINVAL;
1737 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1738 if (error != 0)
1739 return error;
1740 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1741 if (ni == NULL)
1742 return ENOENT;
1743 /* XXX require ni_vap == vap? */
1744 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1745 ieee80211_free_node(ni);
1746 return 0;
1747 }
1748
1749 static int
1750 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1751 {
1752 struct ieee80211_node *ni;
1753 struct ieee80211req_sta_txpow txpow;
1754 int error;
1755
1756 if (ireq->i_len != sizeof(txpow))
1757 return EINVAL;
1758 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1759 if (error != 0)
1760 return error;
1761 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1762 if (ni == NULL)
1763 return ENOENT;
1764 ni->ni_txpower = txpow.it_txpow;
1765 ieee80211_free_node(ni);
1766 return error;
1767 }
1768
1769 static int
1770 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1771 {
1772 struct ieee80211com *ic = vap->iv_ic;
1773 struct ieee80211_wme_state *wme = &ic->ic_wme;
1774 struct wmeParams *wmep, *chanp;
1775 int isbss, ac, aggrmode;
1776
1777 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1778 return EOPNOTSUPP;
1779
1780 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1781 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1782 aggrmode = (wme->wme_flags & WME_F_AGGRMODE);
1783 if (ac >= WME_NUM_AC)
1784 ac = WME_AC_BE;
1785 if (isbss) {
1786 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1787 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1788 } else {
1789 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1790 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1791 }
1792 switch (ireq->i_type) {
1793 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1794 wmep->wmep_logcwmin = ireq->i_val;
1795 if (!isbss || !aggrmode)
1796 chanp->wmep_logcwmin = ireq->i_val;
1797 break;
1798 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1799 wmep->wmep_logcwmax = ireq->i_val;
1800 if (!isbss || !aggrmode)
1801 chanp->wmep_logcwmax = ireq->i_val;
1802 break;
1803 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1804 wmep->wmep_aifsn = ireq->i_val;
1805 if (!isbss || !aggrmode)
1806 chanp->wmep_aifsn = ireq->i_val;
1807 break;
1808 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1809 wmep->wmep_txopLimit = ireq->i_val;
1810 if (!isbss || !aggrmode)
1811 chanp->wmep_txopLimit = ireq->i_val;
1812 break;
1813 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1814 wmep->wmep_acm = ireq->i_val;
1815 if (!aggrmode)
1816 chanp->wmep_acm = ireq->i_val;
1817 break;
1818 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1819 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1820 (ireq->i_val) == 0;
1821 break;
1822 }
1823 ieee80211_wme_updateparams(vap);
1824 return 0;
1825 }
1826
1827 static int
1828 find11gchannel(struct ieee80211com *ic, int start, int freq)
1829 {
1830 const struct ieee80211_channel *c;
1831 int i;
1832
1833 for (i = start+1; i < ic->ic_nchans; i++) {
1834 c = &ic->ic_channels[i];
1835 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1836 return 1;
1837 }
1838 /* NB: should not be needed but in case things are mis-sorted */
1839 for (i = 0; i < start; i++) {
1840 c = &ic->ic_channels[i];
1841 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1842 return 1;
1843 }
1844 return 0;
1845 }
1846
1847 static struct ieee80211_channel *
1848 findchannel(struct ieee80211com *ic, int ieee, int mode)
1849 {
1850 static const u_int chanflags[IEEE80211_MODE_MAX] = {
1851 [IEEE80211_MODE_AUTO] = 0,
1852 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A,
1853 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B,
1854 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G,
1855 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS,
1856 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A,
1857 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G,
1858 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO,
1859 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF,
1860 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER,
1861 /* NB: handled specially below */
1862 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A,
1863 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G,
1864 };
1865 u_int modeflags;
1866 int i;
1867
1868 modeflags = chanflags[mode];
1869 for (i = 0; i < ic->ic_nchans; i++) {
1870 struct ieee80211_channel *c = &ic->ic_channels[i];
1871
1872 if (c->ic_ieee != ieee)
1873 continue;
1874 if (mode == IEEE80211_MODE_AUTO) {
1875 /* ignore turbo channels for autoselect */
1876 if (IEEE80211_IS_CHAN_TURBO(c))
1877 continue;
1878 /*
1879 * XXX special-case 11b/g channels so we
1880 * always select the g channel if both
1881 * are present.
1882 * XXX prefer HT to non-HT?
1883 */
1884 if (!IEEE80211_IS_CHAN_B(c) ||
1885 !find11gchannel(ic, i, c->ic_freq))
1886 return c;
1887 } else {
1888 /* must check HT specially */
1889 if ((mode == IEEE80211_MODE_11NA ||
1890 mode == IEEE80211_MODE_11NG) &&
1891 !IEEE80211_IS_CHAN_HT(c))
1892 continue;
1893 if ((c->ic_flags & modeflags) == modeflags)
1894 return c;
1895 }
1896 }
1897 return NULL;
1898 }
1899
1900 /*
1901 * Check the specified against any desired mode (aka netband).
1902 * This is only used (presently) when operating in hostap mode
1903 * to enforce consistency.
1904 */
1905 static int
1906 check_mode_consistency(const struct ieee80211_channel *c, int mode)
1907 {
1908 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1909
1910 switch (mode) {
1911 case IEEE80211_MODE_11B:
1912 return (IEEE80211_IS_CHAN_B(c));
1913 case IEEE80211_MODE_11G:
1914 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1915 case IEEE80211_MODE_11A:
1916 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1917 case IEEE80211_MODE_STURBO_A:
1918 return (IEEE80211_IS_CHAN_STURBO(c));
1919 case IEEE80211_MODE_11NA:
1920 return (IEEE80211_IS_CHAN_HTA(c));
1921 case IEEE80211_MODE_11NG:
1922 return (IEEE80211_IS_CHAN_HTG(c));
1923 }
1924 return 1;
1925
1926 }
1927
1928 /*
1929 * Common code to set the current channel. If the device
1930 * is up and running this may result in an immediate channel
1931 * change or a kick of the state machine.
1932 */
1933 static int
1934 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1935 {
1936 struct ieee80211com *ic = vap->iv_ic;
1937 int error;
1938
1939 if (c != IEEE80211_CHAN_ANYC) {
1940 if (IEEE80211_IS_CHAN_RADAR(c))
1941 return EBUSY; /* XXX better code? */
1942 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1943 if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1944 return EINVAL;
1945 if (!check_mode_consistency(c, vap->iv_des_mode))
1946 return EINVAL;
1947 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1948 if (IEEE80211_IS_CHAN_NOADHOC(c))
1949 return EINVAL;
1950 }
1951 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) &&
1952 vap->iv_bss->ni_chan == c)
1953 return 0; /* NB: nothing to do */
1954 }
1955 vap->iv_des_chan = c;
1956
1957 error = 0;
1958 if (vap->iv_opmode == IEEE80211_M_MONITOR &&
1959 vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1960 /*
1961 * Monitor mode can switch directly.
1962 */
1963 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
1964 /* XXX need state machine for other vap's to follow */
1965 ieee80211_setcurchan(ic, vap->iv_des_chan);
1966 vap->iv_bss->ni_chan = ic->ic_curchan;
1967 } else {
1968 ic->ic_curchan = vap->iv_des_chan;
1969 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1970 }
1971 } else {
1972 /*
1973 * Need to go through the state machine in case we
1974 * need to reassociate or the like. The state machine
1975 * will pickup the desired channel and avoid scanning.
1976 */
1977 if (IS_UP_AUTO(vap))
1978 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
1979 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1980 /*
1981 * When not up+running and a real channel has
1982 * been specified fix the current channel so
1983 * there is immediate feedback; e.g. via ifconfig.
1984 */
1985 ic->ic_curchan = vap->iv_des_chan;
1986 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1987 }
1988 }
1989 return error;
1990 }
1991
1992 /*
1993 * Old api for setting the current channel; this is
1994 * deprecated because channel numbers are ambiguous.
1995 */
1996 static int
1997 ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
1998 const struct ieee80211req *ireq)
1999 {
2000 struct ieee80211com *ic = vap->iv_ic;
2001 struct ieee80211_channel *c;
2002
2003 /* XXX 0xffff overflows 16-bit signed */
2004 if (ireq->i_val == 0 ||
2005 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
2006 c = IEEE80211_CHAN_ANYC;
2007 } else {
2008 struct ieee80211_channel *c2;
2009
2010 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
2011 if (c == NULL) {
2012 c = findchannel(ic, ireq->i_val,
2013 IEEE80211_MODE_AUTO);
2014 if (c == NULL)
2015 return EINVAL;
2016 }
2017 /*
2018 * Fine tune channel selection based on desired mode:
2019 * if 11b is requested, find the 11b version of any
2020 * 11g channel returned,
2021 * if static turbo, find the turbo version of any
2022 * 11a channel return,
2023 * if 11na is requested, find the ht version of any
2024 * 11a channel returned,
2025 * if 11ng is requested, find the ht version of any
2026 * 11g channel returned,
2027 * otherwise we should be ok with what we've got.
2028 */
2029 switch (vap->iv_des_mode) {
2030 case IEEE80211_MODE_11B:
2031 if (IEEE80211_IS_CHAN_ANYG(c)) {
2032 c2 = findchannel(ic, ireq->i_val,
2033 IEEE80211_MODE_11B);
2034 /* NB: should not happen, =>'s 11g w/o 11b */
2035 if (c2 != NULL)
2036 c = c2;
2037 }
2038 break;
2039 case IEEE80211_MODE_TURBO_A:
2040 if (IEEE80211_IS_CHAN_A(c)) {
2041 c2 = findchannel(ic, ireq->i_val,
2042 IEEE80211_MODE_TURBO_A);
2043 if (c2 != NULL)
2044 c = c2;
2045 }
2046 break;
2047 case IEEE80211_MODE_11NA:
2048 if (IEEE80211_IS_CHAN_A(c)) {
2049 c2 = findchannel(ic, ireq->i_val,
2050 IEEE80211_MODE_11NA);
2051 if (c2 != NULL)
2052 c = c2;
2053 }
2054 break;
2055 case IEEE80211_MODE_11NG:
2056 if (IEEE80211_IS_CHAN_ANYG(c)) {
2057 c2 = findchannel(ic, ireq->i_val,
2058 IEEE80211_MODE_11NG);
2059 if (c2 != NULL)
2060 c = c2;
2061 }
2062 break;
2063 default: /* NB: no static turboG */
2064 break;
2065 }
2066 }
2067 return setcurchan(vap, c);
2068 }
2069
2070 /*
2071 * New/current api for setting the current channel; a complete
2072 * channel description is provide so there is no ambiguity in
2073 * identifying the channel.
2074 */
2075 static int
2076 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
2077 const struct ieee80211req *ireq)
2078 {
2079 struct ieee80211com *ic = vap->iv_ic;
2080 struct ieee80211_channel chan, *c;
2081 int error;
2082
2083 if (ireq->i_len != sizeof(chan))
2084 return EINVAL;
2085 error = copyin(ireq->i_data, &chan, sizeof(chan));
2086 if (error != 0)
2087 return error;
2088 /* XXX 0xffff overflows 16-bit signed */
2089 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
2090 c = IEEE80211_CHAN_ANYC;
2091 } else {
2092 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2093 if (c == NULL)
2094 return EINVAL;
2095 }
2096 return setcurchan(vap, c);
2097 }
2098
2099 static int
2100 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2101 const struct ieee80211req *ireq)
2102 {
2103 struct ieee80211_regdomain_req *reg;
2104 int nchans, error;
2105
2106 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2107 sizeof(struct ieee80211_channel));
2108 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2109 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2110 "%s: bad # chans, i_len %d nchans %d\n", __func__,
2111 ireq->i_len, nchans);
2112 return EINVAL;
2113 }
2114 reg = (struct ieee80211_regdomain_req *)
2115 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP,
2116 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2117 if (reg == NULL) {
2118 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2119 "%s: no memory, nchans %d\n", __func__, nchans);
2120 return ENOMEM;
2121 }
2122 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2123 if (error == 0) {
2124 /* NB: validate inline channel count against storage size */
2125 if (reg->chaninfo.ic_nchans != nchans) {
2126 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2127 "%s: chan cnt mismatch, %d != %d\n", __func__,
2128 reg->chaninfo.ic_nchans, nchans);
2129 error = EINVAL;
2130 } else
2131 error = ieee80211_setregdomain(vap, reg);
2132 }
2133 IEEE80211_FREE(reg, M_TEMP);
2134
2135 return (error == 0 ? ENETRESET : error);
2136 }
2137
2138 static int
2139 checkrate(const struct ieee80211_rateset *rs, int rate)
2140 {
2141 int i;
2142
2143 if (rate == IEEE80211_FIXED_RATE_NONE)
2144 return 1;
2145 for (i = 0; i < rs->rs_nrates; i++)
2146 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2147 return 1;
2148 return 0;
2149 }
2150
2151 static int
2152 checkmcs(int mcs)
2153 {
2154 if (mcs == IEEE80211_FIXED_RATE_NONE)
2155 return 1;
2156 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */
2157 return 0;
2158 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */
2159 }
2160
2161 static int
2162 ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2163 const struct ieee80211req *ireq)
2164 {
2165 struct ieee80211com *ic = vap->iv_ic;
2166 struct ieee80211_roamparams_req *parms;
2167 struct ieee80211_roamparam *src, *dst;
2168 const struct ieee80211_rateset *rs;
2169 int changed, error, mode, is11n, nmodes;
2170
2171 if (ireq->i_len != sizeof(vap->iv_roamparms))
2172 return EINVAL;
2173
2174 parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP,
2175 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2176 if (parms == NULL)
2177 return ENOMEM;
2178
2179 error = copyin(ireq->i_data, parms, ireq->i_len);
2180 if (error != 0)
2181 goto fail;
2182
2183 changed = 0;
2184 nmodes = IEEE80211_MODE_MAX;
2185
2186 /* validate parameters and check if anything changed */
2187 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2188 if (isclr(ic->ic_modecaps, mode))
2189 continue;
2190 src = &parms->params[mode];
2191 dst = &vap->iv_roamparms[mode];
2192 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */
2193 is11n = (mode == IEEE80211_MODE_11NA ||
2194 mode == IEEE80211_MODE_11NG);
2195 if (src->rate != dst->rate) {
2196 if (!checkrate(rs, src->rate) &&
2197 (!is11n || !checkmcs(src->rate))) {
2198 error = EINVAL;
2199 goto fail;
2200 }
2201 changed++;
2202 }
2203 if (src->rssi != dst->rssi)
2204 changed++;
2205 }
2206 if (changed) {
2207 /*
2208 * Copy new parameters in place and notify the
2209 * driver so it can push state to the device.
2210 */
2211 /* XXX locking? */
2212 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2213 if (isset(ic->ic_modecaps, mode))
2214 vap->iv_roamparms[mode] = parms->params[mode];
2215 }
2216
2217 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE)
2218 error = ERESTART;
2219 }
2220
2221 fail: IEEE80211_FREE(parms, M_TEMP);
2222 return error;
2223 }
2224
2225 static int
2226 ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2227 const struct ieee80211req *ireq)
2228 {
2229 struct ieee80211com *ic = vap->iv_ic;
2230 struct ieee80211_txparams_req parms; /* XXX stack use? */
2231 struct ieee80211_txparam *src, *dst;
2232 const struct ieee80211_rateset *rs;
2233 int error, mode, changed, is11n, nmodes;
2234
2235 /* NB: accept short requests for backwards compat */
2236 if (ireq->i_len > sizeof(parms))
2237 return EINVAL;
2238 error = copyin(ireq->i_data, &parms, ireq->i_len);
2239 if (error != 0)
2240 return error;
2241 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2242 changed = 0;
2243 /* validate parameters and check if anything changed */
2244 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2245 if (isclr(ic->ic_modecaps, mode))
2246 continue;
2247 src = &parms.params[mode];
2248 dst = &vap->iv_txparms[mode];
2249 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */
2250 is11n = (mode == IEEE80211_MODE_11NA ||
2251 mode == IEEE80211_MODE_11NG);
2252 if (src->ucastrate != dst->ucastrate) {
2253 if (!checkrate(rs, src->ucastrate) &&
2254 (!is11n || !checkmcs(src->ucastrate)))
2255 return EINVAL;
2256 changed++;
2257 }
2258 if (src->mcastrate != dst->mcastrate) {
2259 if (!checkrate(rs, src->mcastrate) &&
2260 (!is11n || !checkmcs(src->mcastrate)))
2261 return EINVAL;
2262 changed++;
2263 }
2264 if (src->mgmtrate != dst->mgmtrate) {
2265 if (!checkrate(rs, src->mgmtrate) &&
2266 (!is11n || !checkmcs(src->mgmtrate)))
2267 return EINVAL;
2268 changed++;
2269 }
2270 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2271 changed++;
2272 }
2273 if (changed) {
2274 /*
2275 * Copy new parameters in place and notify the
2276 * driver so it can push state to the device.
2277 */
2278 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2279 if (isset(ic->ic_modecaps, mode))
2280 vap->iv_txparms[mode] = parms.params[mode];
2281 }
2282 /* XXX could be more intelligent,
2283 e.g. don't reset if setting not being used */
2284 return ENETRESET;
2285 }
2286 return 0;
2287 }
2288
2289 /*
2290 * Application Information Element support.
2291 */
2292 static int
2293 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2294 {
2295 struct ieee80211_appie *app = *aie;
2296 struct ieee80211_appie *napp;
2297 int error;
2298
2299 if (ireq->i_len == 0) { /* delete any existing ie */
2300 if (app != NULL) {
2301 *aie = NULL; /* XXX racey */
2302 IEEE80211_FREE(app, M_80211_NODE_IE);
2303 }
2304 return 0;
2305 }
2306 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2307 return EINVAL;
2308 /*
2309 * Allocate a new appie structure and copy in the user data.
2310 * When done swap in the new structure. Note that we do not
2311 * guard against users holding a ref to the old structure;
2312 * this must be handled outside this code.
2313 *
2314 * XXX bad bad bad
2315 */
2316 napp = (struct ieee80211_appie *) IEEE80211_MALLOC(
2317 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE,
2318 IEEE80211_M_NOWAIT);
2319 if (napp == NULL)
2320 return ENOMEM;
2321 /* XXX holding ic lock */
2322 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2323 if (error) {
2324 IEEE80211_FREE(napp, M_80211_NODE_IE);
2325 return error;
2326 }
2327 napp->ie_len = ireq->i_len;
2328 *aie = napp;
2329 if (app != NULL)
2330 IEEE80211_FREE(app, M_80211_NODE_IE);
2331 return 0;
2332 }
2333
2334 static void
2335 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2336 {
2337 /* validate data is present as best we can */
2338 if (space == 0 || 2+ie[1] > space)
2339 return;
2340 if (ie[0] == IEEE80211_ELEMID_VENDOR)
2341 vap->iv_wpa_ie = ie;
2342 else if (ie[0] == IEEE80211_ELEMID_RSN)
2343 vap->iv_rsn_ie = ie;
2344 }
2345
2346 static int
2347 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2348 const struct ieee80211req *ireq, int fc0)
2349 {
2350 int error;
2351
2352 IEEE80211_LOCK_ASSERT(vap->iv_ic);
2353
2354 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2355 case IEEE80211_FC0_SUBTYPE_BEACON:
2356 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2357 vap->iv_opmode != IEEE80211_M_IBSS) {
2358 error = EINVAL;
2359 break;
2360 }
2361 error = setappie(&vap->iv_appie_beacon, ireq);
2362 if (error == 0)
2363 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2364 break;
2365 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2366 error = setappie(&vap->iv_appie_proberesp, ireq);
2367 break;
2368 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2369 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2370 error = setappie(&vap->iv_appie_assocresp, ireq);
2371 else
2372 error = EINVAL;
2373 break;
2374 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2375 error = setappie(&vap->iv_appie_probereq, ireq);
2376 break;
2377 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2378 if (vap->iv_opmode == IEEE80211_M_STA)
2379 error = setappie(&vap->iv_appie_assocreq, ireq);
2380 else
2381 error = EINVAL;
2382 break;
2383 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2384 error = setappie(&vap->iv_appie_wpa, ireq);
2385 if (error == 0) {
2386 /*
2387 * Must split single blob of data into separate
2388 * WPA and RSN ie's because they go in different
2389 * locations in the mgt frames.
2390 * XXX use IEEE80211_IOC_WPA2 so user code does split
2391 */
2392 vap->iv_wpa_ie = NULL;
2393 vap->iv_rsn_ie = NULL;
2394 if (vap->iv_appie_wpa != NULL) {
2395 struct ieee80211_appie *appie =
2396 vap->iv_appie_wpa;
2397 uint8_t *data = appie->ie_data;
2398
2399 /* XXX ie length validate is painful, cheat */
2400 setwparsnie(vap, data, appie->ie_len);
2401 setwparsnie(vap, data + 2 + data[1],
2402 appie->ie_len - (2 + data[1]));
2403 }
2404 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2405 vap->iv_opmode == IEEE80211_M_IBSS) {
2406 /*
2407 * Must rebuild beacon frame as the update
2408 * mechanism doesn't handle WPA/RSN ie's.
2409 * Could extend it but it doesn't normally
2410 * change; this is just to deal with hostapd
2411 * plumbing the ie after the interface is up.
2412 */
2413 error = ENETRESET;
2414 }
2415 }
2416 break;
2417 default:
2418 error = EINVAL;
2419 break;
2420 }
2421 return error;
2422 }
2423
2424 static int
2425 ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2426 const struct ieee80211req *ireq)
2427 {
2428 struct ieee80211com *ic = vap->iv_ic;
2429 int error;
2430 uint8_t fc0;
2431
2432 fc0 = ireq->i_val & 0xff;
2433 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2434 return EINVAL;
2435 /* NB: could check iv_opmode and reject but hardly worth the effort */
2436 IEEE80211_LOCK(ic);
2437 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2438 IEEE80211_UNLOCK(ic);
2439 return error;
2440 }
2441
2442 static int
2443 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2444 {
2445 struct ieee80211com *ic = vap->iv_ic;
2446 struct ieee80211_chanswitch_req csr;
2447 struct ieee80211_channel *c;
2448 int error;
2449
2450 if (ireq->i_len != sizeof(csr))
2451 return EINVAL;
2452 error = copyin(ireq->i_data, &csr, sizeof(csr));
2453 if (error != 0)
2454 return error;
2455 /* XXX adhoc mode not supported */
2456 if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2457 (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2458 return EOPNOTSUPP;
2459 c = ieee80211_find_channel(ic,
2460 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2461 if (c == NULL)
2462 return ENOENT;
2463 IEEE80211_LOCK(ic);
2464 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2465 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2466 else if (csr.csa_count == 0)
2467 ieee80211_csa_cancelswitch(ic);
2468 else
2469 error = EBUSY;
2470 IEEE80211_UNLOCK(ic);
2471 return error;
2472 }
2473
2474 static int
2475 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr)
2476 {
2477 #define IEEE80211_IOC_SCAN_FLAGS \
2478 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2479 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2480 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2481 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2482 IEEE80211_IOC_SCAN_CHECK)
2483 struct ieee80211com *ic = vap->iv_ic;
2484 int error, i;
2485
2486 /* convert duration */
2487 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2488 sr->sr_duration = IEEE80211_SCAN_FOREVER;
2489 else {
2490 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2491 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2492 return EINVAL;
2493 sr->sr_duration = msecs_to_ticks(sr->sr_duration);
2494 if (sr->sr_duration < 1)
2495 sr->sr_duration = 1;
2496 }
2497 /* convert min/max channel dwell */
2498 if (sr->sr_mindwell != 0) {
2499 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell);
2500 if (sr->sr_mindwell < 1)
2501 sr->sr_mindwell = 1;
2502 }
2503 if (sr->sr_maxdwell != 0) {
2504 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell);
2505 if (sr->sr_maxdwell < 1)
2506 sr->sr_maxdwell = 1;
2507 }
2508 /* NB: silently reduce ssid count to what is supported */
2509 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID)
2510 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID;
2511 for (i = 0; i < sr->sr_nssid; i++)
2512 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN)
2513 return EINVAL;
2514 /* cleanse flags just in case, could reject if invalid flags */
2515 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2516 /*
2517 * Add an implicit NOPICK if the vap is not marked UP. This
2518 * allows applications to scan without joining a bss (or picking
2519 * a channel and setting up a bss) and without forcing manual
2520 * roaming mode--you just need to mark the parent device UP.
2521 */
2522 if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2523 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2524
2525 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2526 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2527 __func__, sr->sr_flags,
2528 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2529 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid);
2530 /*
2531 * If we are in INIT state then the driver has never had a chance
2532 * to setup hardware state to do a scan; we must use the state
2533 * machine to get us up to the SCAN state but once we reach SCAN
2534 * state we then want to use the supplied params. Stash the
2535 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2536 * state machines will recognize this and use the stashed params
2537 * to issue the scan request.
2538 *
2539 * Otherwise just invoke the scan machinery directly.
2540 */
2541 IEEE80211_LOCK(ic);
2542 if (ic->ic_nrunning == 0) {
2543 IEEE80211_UNLOCK(ic);
2544 return ENXIO;
2545 }
2546
2547 if (vap->iv_state == IEEE80211_S_INIT) {
2548 /* NB: clobbers previous settings */
2549 vap->iv_scanreq_flags = sr->sr_flags;
2550 vap->iv_scanreq_duration = sr->sr_duration;
2551 vap->iv_scanreq_nssid = sr->sr_nssid;
2552 for (i = 0; i < sr->sr_nssid; i++) {
2553 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len;
2554 memcpy(vap->iv_scanreq_ssid[i].ssid,
2555 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len);
2556 }
2557 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2558 IEEE80211_UNLOCK(ic);
2559 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2560 } else {
2561 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2562 IEEE80211_UNLOCK(ic);
2563 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2564 error = ieee80211_check_scan(vap, sr->sr_flags,
2565 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2566 sr->sr_nssid,
2567 /* NB: cheat, we assume structures are compatible */
2568 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2569 } else {
2570 error = ieee80211_start_scan(vap, sr->sr_flags,
2571 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2572 sr->sr_nssid,
2573 /* NB: cheat, we assume structures are compatible */
2574 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2575 }
2576 if (error == 0)
2577 return EINPROGRESS;
2578 }
2579 return 0;
2580 #undef IEEE80211_IOC_SCAN_FLAGS
2581 }
2582
2583 static int
2584 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2585 {
2586 struct ieee80211_scan_req *sr;
2587 int error;
2588
2589 if (ireq->i_len != sizeof(*sr))
2590 return EINVAL;
2591 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
2592 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2593 if (sr == NULL)
2594 return ENOMEM;
2595 error = copyin(ireq->i_data, sr, sizeof(*sr));
2596 if (error != 0)
2597 goto bad;
2598 error = ieee80211_scanreq(vap, sr);
2599 bad:
2600 IEEE80211_FREE(sr, M_TEMP);
2601 return error;
2602 }
2603
2604 static int
2605 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2606 {
2607 struct ieee80211_node *ni;
2608 struct ieee80211req_sta_vlan vlan;
2609 int error;
2610
2611 if (ireq->i_len != sizeof(vlan))
2612 return EINVAL;
2613 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2614 if (error != 0)
2615 return error;
2616 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2617 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2618 vlan.sv_macaddr);
2619 if (ni == NULL)
2620 return ENOENT;
2621 } else
2622 ni = ieee80211_ref_node(vap->iv_bss);
2623 ni->ni_vlan = vlan.sv_vlan;
2624 ieee80211_free_node(ni);
2625 return error;
2626 }
2627
2628 static int
2629 isvap11g(const struct ieee80211vap *vap)
2630 {
2631 const struct ieee80211_node *bss = vap->iv_bss;
2632 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2633 IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2634 }
2635
2636 static int
2637 isvapht(const struct ieee80211vap *vap)
2638 {
2639 const struct ieee80211_node *bss = vap->iv_bss;
2640 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2641 IEEE80211_IS_CHAN_HT(bss->ni_chan);
2642 }
2643
2644 /*
2645 * Dummy ioctl set handler so the linker set is defined.
2646 */
2647 static int
2648 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2649 {
2650 return ENOSYS;
2651 }
2652 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2653
2654 static int
2655 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2656 {
2657 ieee80211_ioctl_setfunc * const *set;
2658 int error;
2659
2660 SET_FOREACH(set, ieee80211_ioctl_setset) {
2661 error = (*set)(vap, ireq);
2662 if (error != ENOSYS)
2663 return error;
2664 }
2665 return EINVAL;
2666 }
2667
2668 static int
2669 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2670 {
2671 struct ieee80211com *ic = vap->iv_ic;
2672 int error;
2673 const struct ieee80211_authenticator *auth;
2674 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2675 char tmpssid[IEEE80211_NWID_LEN];
2676 uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2677 struct ieee80211_key *k;
2678 u_int kid;
2679 uint32_t flags;
2680
2681 error = 0;
2682 switch (ireq->i_type) {
2683 case IEEE80211_IOC_SSID:
2684 if (ireq->i_val != 0 ||
2685 ireq->i_len > IEEE80211_NWID_LEN)
2686 return EINVAL;
2687 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2688 if (error)
2689 break;
2690 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2691 vap->iv_des_ssid[0].len = ireq->i_len;
2692 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2693 vap->iv_des_nssid = (ireq->i_len > 0);
2694 error = ENETRESET;
2695 break;
2696 case IEEE80211_IOC_WEP:
2697 switch (ireq->i_val) {
2698 case IEEE80211_WEP_OFF:
2699 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2700 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2701 break;
2702 case IEEE80211_WEP_ON:
2703 vap->iv_flags |= IEEE80211_F_PRIVACY;
2704 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2705 break;
2706 case IEEE80211_WEP_MIXED:
2707 vap->iv_flags |= IEEE80211_F_PRIVACY;
2708 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2709 break;
2710 }
2711 error = ENETRESET;
2712 break;
2713 case IEEE80211_IOC_WEPKEY:
2714 kid = (u_int) ireq->i_val;
2715 if (kid >= IEEE80211_WEP_NKID)
2716 return EINVAL;
2717 k = &vap->iv_nw_keys[kid];
2718 if (ireq->i_len == 0) {
2719 /* zero-len =>'s delete any existing key */
2720 (void) ieee80211_crypto_delkey(vap, k);
2721 break;
2722 }
2723 if (ireq->i_len > sizeof(tmpkey))
2724 return EINVAL;
2725 memset(tmpkey, 0, sizeof(tmpkey));
2726 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2727 if (error)
2728 break;
2729 ieee80211_key_update_begin(vap);
2730 k->wk_keyix = kid; /* NB: force fixed key id */
2731 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2732 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2733 k->wk_keylen = ireq->i_len;
2734 memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2735 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2736 if (!ieee80211_crypto_setkey(vap, k))
2737 error = EINVAL;
2738 } else
2739 error = EINVAL;
2740 ieee80211_key_update_end(vap);
2741 break;
2742 case IEEE80211_IOC_WEPTXKEY:
2743 kid = (u_int) ireq->i_val;
2744 if (kid >= IEEE80211_WEP_NKID &&
2745 (uint16_t) kid != IEEE80211_KEYIX_NONE)
2746 return EINVAL;
2747 vap->iv_def_txkey = kid;
2748 break;
2749 case IEEE80211_IOC_AUTHMODE:
2750 switch (ireq->i_val) {
2751 case IEEE80211_AUTH_WPA:
2752 case IEEE80211_AUTH_8021X: /* 802.1x */
2753 case IEEE80211_AUTH_OPEN: /* open */
2754 case IEEE80211_AUTH_SHARED: /* shared-key */
2755 case IEEE80211_AUTH_AUTO: /* auto */
2756 auth = ieee80211_authenticator_get(ireq->i_val);
2757 if (auth == NULL)
2758 return EINVAL;
2759 break;
2760 default:
2761 return EINVAL;
2762 }
2763 switch (ireq->i_val) {
2764 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
2765 vap->iv_flags |= IEEE80211_F_PRIVACY;
2766 ireq->i_val = IEEE80211_AUTH_8021X;
2767 break;
2768 case IEEE80211_AUTH_OPEN: /* open */
2769 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2770 break;
2771 case IEEE80211_AUTH_SHARED: /* shared-key */
2772 case IEEE80211_AUTH_8021X: /* 802.1x */
2773 vap->iv_flags &= ~IEEE80211_F_WPA;
2774 /* both require a key so mark the PRIVACY capability */
2775 vap->iv_flags |= IEEE80211_F_PRIVACY;
2776 break;
2777 case IEEE80211_AUTH_AUTO: /* auto */
2778 vap->iv_flags &= ~IEEE80211_F_WPA;
2779 /* XXX PRIVACY handling? */
2780 /* XXX what's the right way to do this? */
2781 break;
2782 }
2783 /* NB: authenticator attach/detach happens on state change */
2784 vap->iv_bss->ni_authmode = ireq->i_val;
2785 /* XXX mixed/mode/usage? */
2786 vap->iv_auth = auth;
2787 error = ENETRESET;
2788 break;
2789 case IEEE80211_IOC_CHANNEL:
2790 error = ieee80211_ioctl_setchannel(vap, ireq);
2791 break;
2792 case IEEE80211_IOC_POWERSAVE:
2793 switch (ireq->i_val) {
2794 case IEEE80211_POWERSAVE_OFF:
2795 if (vap->iv_flags & IEEE80211_F_PMGTON) {
2796 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2797 error = ERESTART;
2798 }
2799 break;
2800 case IEEE80211_POWERSAVE_ON:
2801 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2802 error = EOPNOTSUPP;
2803 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2804 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2805 error = ERESTART;
2806 }
2807 break;
2808 default:
2809 error = EINVAL;
2810 break;
2811 }
2812 break;
2813 case IEEE80211_IOC_POWERSAVESLEEP:
2814 if (ireq->i_val < 0)
2815 return EINVAL;
2816 ic->ic_lintval = ireq->i_val;
2817 error = ERESTART;
2818 break;
2819 case IEEE80211_IOC_RTSTHRESHOLD:
2820 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2821 ireq->i_val <= IEEE80211_RTS_MAX))
2822 return EINVAL;
2823 vap->iv_rtsthreshold = ireq->i_val;
2824 error = ERESTART;
2825 break;
2826 case IEEE80211_IOC_PROTMODE:
2827 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2828 return EINVAL;
2829 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val;
2830 /* NB: if not operating in 11g this can wait */
2831 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2832 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2833 error = ERESTART;
2834 break;
2835 case IEEE80211_IOC_TXPOWER:
2836 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2837 return EOPNOTSUPP;
2838 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2839 ireq->i_val <= IEEE80211_TXPOWER_MAX))
2840 return EINVAL;
2841 ic->ic_txpowlimit = ireq->i_val;
2842 error = ERESTART;
2843 break;
2844 case IEEE80211_IOC_ROAMING:
2845 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2846 ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2847 return EINVAL;
2848 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val;
2849 /* XXXX reset? */
2850 break;
2851 case IEEE80211_IOC_PRIVACY:
2852 if (ireq->i_val) {
2853 /* XXX check for key state? */
2854 vap->iv_flags |= IEEE80211_F_PRIVACY;
2855 } else
2856 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2857 /* XXX ERESTART? */
2858 break;
2859 case IEEE80211_IOC_DROPUNENCRYPTED:
2860 if (ireq->i_val)
2861 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2862 else
2863 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2864 /* XXX ERESTART? */
2865 break;
2866 case IEEE80211_IOC_WPAKEY:
2867 error = ieee80211_ioctl_setkey(vap, ireq);
2868 break;
2869 case IEEE80211_IOC_DELKEY:
2870 error = ieee80211_ioctl_delkey(vap, ireq);
2871 break;
2872 case IEEE80211_IOC_MLME:
2873 error = ieee80211_ioctl_setmlme(vap, ireq);
2874 break;
2875 case IEEE80211_IOC_COUNTERMEASURES:
2876 if (ireq->i_val) {
2877 if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2878 return EOPNOTSUPP;
2879 vap->iv_flags |= IEEE80211_F_COUNTERM;
2880 } else
2881 vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2882 /* XXX ERESTART? */
2883 break;
2884 case IEEE80211_IOC_WPA:
2885 if (ireq->i_val > 3)
2886 return EINVAL;
2887 /* XXX verify ciphers available */
2888 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2889 switch (ireq->i_val) {
2890 case 0:
2891 /* wpa_supplicant calls this to clear the WPA config */
2892 break;
2893 case 1:
2894 if (!(vap->iv_caps & IEEE80211_C_WPA1))
2895 return EOPNOTSUPP;
2896 flags |= IEEE80211_F_WPA1;
2897 break;
2898 case 2:
2899 if (!(vap->iv_caps & IEEE80211_C_WPA2))
2900 return EOPNOTSUPP;
2901 flags |= IEEE80211_F_WPA2;
2902 break;
2903 case 3:
2904 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2905 return EOPNOTSUPP;
2906 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2907 break;
2908 default: /* Can't set any -> error */
2909 return EOPNOTSUPP;
2910 }
2911 vap->iv_flags = flags;
2912 error = ERESTART; /* NB: can change beacon frame */
2913 break;
2914 case IEEE80211_IOC_WME:
2915 if (ireq->i_val) {
2916 if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2917 return EOPNOTSUPP;
2918 ieee80211_syncflag(vap, IEEE80211_F_WME);
2919 } else
2920 ieee80211_syncflag(vap, -IEEE80211_F_WME);
2921 error = ERESTART; /* NB: can change beacon frame */
2922 break;
2923 case IEEE80211_IOC_HIDESSID:
2924 if (ireq->i_val)
2925 vap->iv_flags |= IEEE80211_F_HIDESSID;
2926 else
2927 vap->iv_flags &= ~IEEE80211_F_HIDESSID;
2928 error = ERESTART; /* XXX ENETRESET? */
2929 break;
2930 case IEEE80211_IOC_APBRIDGE:
2931 if (ireq->i_val == 0)
2932 vap->iv_flags |= IEEE80211_F_NOBRIDGE;
2933 else
2934 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
2935 break;
2936 case IEEE80211_IOC_BSSID:
2937 if (ireq->i_len != sizeof(tmpbssid))
2938 return EINVAL;
2939 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2940 if (error)
2941 break;
2942 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
2943 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
2944 vap->iv_flags &= ~IEEE80211_F_DESBSSID;
2945 else
2946 vap->iv_flags |= IEEE80211_F_DESBSSID;
2947 error = ENETRESET;
2948 break;
2949 case IEEE80211_IOC_CHANLIST:
2950 error = ieee80211_ioctl_setchanlist(vap, ireq);
2951 break;
2952 #define OLD_IEEE80211_IOC_SCAN_REQ 23
2953 #ifdef OLD_IEEE80211_IOC_SCAN_REQ
2954 case OLD_IEEE80211_IOC_SCAN_REQ:
2955 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2956 "%s: active scan request\n", __func__);
2957 /*
2958 * If we are in INIT state then the driver has never
2959 * had a chance to setup hardware state to do a scan;
2960 * use the state machine to get us up the SCAN state.
2961 * Otherwise just invoke the scan machinery to start
2962 * a one-time scan.
2963 */
2964 if (vap->iv_state == IEEE80211_S_INIT)
2965 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2966 else
2967 (void) ieee80211_start_scan(vap,
2968 IEEE80211_SCAN_ACTIVE |
2969 IEEE80211_SCAN_NOPICK |
2970 IEEE80211_SCAN_ONCE,
2971 IEEE80211_SCAN_FOREVER, 0, 0,
2972 /* XXX use ioctl params */
2973 vap->iv_des_nssid, vap->iv_des_ssid);
2974 break;
2975 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */
2976 case IEEE80211_IOC_SCAN_REQ:
2977 error = ieee80211_ioctl_scanreq(vap, ireq);
2978 break;
2979 case IEEE80211_IOC_SCAN_CANCEL:
2980 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2981 "%s: cancel scan\n", __func__);
2982 ieee80211_cancel_scan(vap);
2983 break;
2984 case IEEE80211_IOC_HTCONF:
2985 if (ireq->i_val & 1)
2986 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
2987 else
2988 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
2989 if (ireq->i_val & 2)
2990 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
2991 else
2992 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
2993 error = ENETRESET;
2994 break;
2995 case IEEE80211_IOC_ADDMAC:
2996 case IEEE80211_IOC_DELMAC:
2997 error = ieee80211_ioctl_macmac(vap, ireq);
2998 break;
2999 case IEEE80211_IOC_MACCMD:
3000 error = ieee80211_ioctl_setmaccmd(vap, ireq);
3001 break;
3002 case IEEE80211_IOC_STA_STATS:
3003 error = ieee80211_ioctl_setstastats(vap, ireq);
3004 break;
3005 case IEEE80211_IOC_STA_TXPOW:
3006 error = ieee80211_ioctl_setstatxpow(vap, ireq);
3007 break;
3008 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
3009 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
3010 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
3011 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
3012 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
3013 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */
3014 error = ieee80211_ioctl_setwmeparam(vap, ireq);
3015 break;
3016 case IEEE80211_IOC_DTIM_PERIOD:
3017 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3018 vap->iv_opmode != IEEE80211_M_MBSS &&
3019 vap->iv_opmode != IEEE80211_M_IBSS)
3020 return EINVAL;
3021 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
3022 ireq->i_val <= IEEE80211_DTIM_MAX) {
3023 vap->iv_dtim_period = ireq->i_val;
3024 error = ENETRESET; /* requires restart */
3025 } else
3026 error = EINVAL;
3027 break;
3028 case IEEE80211_IOC_BEACON_INTERVAL:
3029 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3030 vap->iv_opmode != IEEE80211_M_MBSS &&
3031 vap->iv_opmode != IEEE80211_M_IBSS)
3032 return EINVAL;
3033 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
3034 ireq->i_val <= IEEE80211_BINTVAL_MAX) {
3035 ic->ic_bintval = ireq->i_val;
3036 error = ENETRESET; /* requires restart */
3037 } else
3038 error = EINVAL;
3039 break;
3040 case IEEE80211_IOC_PUREG:
3041 if (ireq->i_val)
3042 vap->iv_flags |= IEEE80211_F_PUREG;
3043 else
3044 vap->iv_flags &= ~IEEE80211_F_PUREG;
3045 /* NB: reset only if we're operating on an 11g channel */
3046 if (isvap11g(vap))
3047 error = ENETRESET;
3048 break;
3049 case IEEE80211_IOC_QUIET:
3050 vap->iv_quiet= ireq->i_val;
3051 break;
3052 case IEEE80211_IOC_QUIET_COUNT:
3053 vap->iv_quiet_count=ireq->i_val;
3054 break;
3055 case IEEE80211_IOC_QUIET_PERIOD:
3056 vap->iv_quiet_period=ireq->i_val;
3057 break;
3058 case IEEE80211_IOC_QUIET_OFFSET:
3059 vap->iv_quiet_offset=ireq->i_val;
3060 break;
3061 case IEEE80211_IOC_QUIET_DUR:
3062 if(ireq->i_val < vap->iv_bss->ni_intval)
3063 vap->iv_quiet_duration = ireq->i_val;
3064 else
3065 error = EINVAL;
3066 break;
3067 case IEEE80211_IOC_BGSCAN:
3068 if (ireq->i_val) {
3069 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
3070 return EOPNOTSUPP;
3071 vap->iv_flags |= IEEE80211_F_BGSCAN;
3072 } else
3073 vap->iv_flags &= ~IEEE80211_F_BGSCAN;
3074 break;
3075 case IEEE80211_IOC_BGSCAN_IDLE:
3076 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
3077 vap->iv_bgscanidle = ireq->i_val*hz/1000;
3078 else
3079 error = EINVAL;
3080 break;
3081 case IEEE80211_IOC_BGSCAN_INTERVAL:
3082 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
3083 vap->iv_bgscanintvl = ireq->i_val*hz;
3084 else
3085 error = EINVAL;
3086 break;
3087 case IEEE80211_IOC_SCANVALID:
3088 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
3089 vap->iv_scanvalid = ireq->i_val*hz;
3090 else
3091 error = EINVAL;
3092 break;
3093 case IEEE80211_IOC_FRAGTHRESHOLD:
3094 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
3095 ireq->i_val != IEEE80211_FRAG_MAX)
3096 return EOPNOTSUPP;
3097 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
3098 ireq->i_val <= IEEE80211_FRAG_MAX))
3099 return EINVAL;
3100 vap->iv_fragthreshold = ireq->i_val;
3101 error = ERESTART;
3102 break;
3103 case IEEE80211_IOC_BURST:
3104 if (ireq->i_val) {
3105 if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
3106 return EOPNOTSUPP;
3107 ieee80211_syncflag(vap, IEEE80211_F_BURST);
3108 } else
3109 ieee80211_syncflag(vap, -IEEE80211_F_BURST);
3110 error = ERESTART;
3111 break;
3112 case IEEE80211_IOC_BMISSTHRESHOLD:
3113 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
3114 ireq->i_val <= IEEE80211_HWBMISS_MAX))
3115 return EINVAL;
3116 vap->iv_bmissthreshold = ireq->i_val;
3117 error = ERESTART;
3118 break;
3119 case IEEE80211_IOC_CURCHAN:
3120 error = ieee80211_ioctl_setcurchan(vap, ireq);
3121 break;
3122 case IEEE80211_IOC_SHORTGI:
3123 if (ireq->i_val) {
3124 #define IEEE80211_HTCAP_SHORTGI \
3125 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
3126 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
3127 return EINVAL;
3128 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
3129 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
3130 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
3131 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
3132 #undef IEEE80211_HTCAP_SHORTGI
3133 } else
3134 vap->iv_flags_ht &=
3135 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
3136 error = ERESTART;
3137 break;
3138 case IEEE80211_IOC_AMPDU:
3139 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
3140 return EINVAL;
3141 if (ireq->i_val & 1)
3142 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
3143 else
3144 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
3145 if (ireq->i_val & 2)
3146 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
3147 else
3148 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
3149 /* NB: reset only if we're operating on an 11n channel */
3150 if (isvapht(vap))
3151 error = ERESTART;
3152 break;
3153 case IEEE80211_IOC_AMPDU_LIMIT:
3154 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
3155 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
3156 return EINVAL;
3157 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3158 vap->iv_ampdu_rxmax = ireq->i_val;
3159 else
3160 vap->iv_ampdu_limit = ireq->i_val;
3161 error = ERESTART;
3162 break;
3163 case IEEE80211_IOC_AMPDU_DENSITY:
3164 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
3165 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
3166 return EINVAL;
3167 vap->iv_ampdu_density = ireq->i_val;
3168 error = ERESTART;
3169 break;
3170 case IEEE80211_IOC_AMSDU:
3171 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
3172 return EINVAL;
3173 if (ireq->i_val & 1)
3174 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
3175 else
3176 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
3177 if (ireq->i_val & 2)
3178 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
3179 else
3180 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
3181 /* NB: reset only if we're operating on an 11n channel */
3182 if (isvapht(vap))
3183 error = ERESTART;
3184 break;
3185 case IEEE80211_IOC_AMSDU_LIMIT:
3186 /* XXX validate */
3187 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */
3188 break;
3189 case IEEE80211_IOC_PUREN:
3190 if (ireq->i_val) {
3191 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3192 return EINVAL;
3193 vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3194 } else
3195 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3196 /* NB: reset only if we're operating on an 11n channel */
3197 if (isvapht(vap))
3198 error = ERESTART;
3199 break;
3200 case IEEE80211_IOC_DOTH:
3201 if (ireq->i_val) {
3202 #if 0
3203 /* XXX no capability */
3204 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3205 return EOPNOTSUPP;
3206 #endif
3207 vap->iv_flags |= IEEE80211_F_DOTH;
3208 } else
3209 vap->iv_flags &= ~IEEE80211_F_DOTH;
3210 error = ENETRESET;
3211 break;
3212 case IEEE80211_IOC_REGDOMAIN:
3213 error = ieee80211_ioctl_setregdomain(vap, ireq);
3214 break;
3215 case IEEE80211_IOC_ROAM:
3216 error = ieee80211_ioctl_setroam(vap, ireq);
3217 break;
3218 case IEEE80211_IOC_TXPARAMS:
3219 error = ieee80211_ioctl_settxparams(vap, ireq);
3220 break;
3221 case IEEE80211_IOC_HTCOMPAT:
3222 if (ireq->i_val) {
3223 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3224 return EOPNOTSUPP;
3225 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3226 } else
3227 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3228 /* NB: reset only if we're operating on an 11n channel */
3229 if (isvapht(vap))
3230 error = ERESTART;
3231 break;
3232 case IEEE80211_IOC_DWDS:
3233 if (ireq->i_val) {
3234 /* NB: DWDS only makes sense for WDS-capable devices */
3235 if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3236 return EOPNOTSUPP;
3237 /* NB: DWDS is used only with ap+sta vaps */
3238 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3239 vap->iv_opmode != IEEE80211_M_STA)
3240 return EINVAL;
3241 vap->iv_flags |= IEEE80211_F_DWDS;
3242 if (vap->iv_opmode == IEEE80211_M_STA)
3243 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3244 } else {
3245 vap->iv_flags &= ~IEEE80211_F_DWDS;
3246 if (vap->iv_opmode == IEEE80211_M_STA)
3247 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3248 }
3249 break;
3250 case IEEE80211_IOC_INACTIVITY:
3251 if (ireq->i_val)
3252 vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3253 else
3254 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3255 break;
3256 case IEEE80211_IOC_APPIE:
3257 error = ieee80211_ioctl_setappie(vap, ireq);
3258 break;
3259 case IEEE80211_IOC_WPS:
3260 if (ireq->i_val) {
3261 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3262 return EOPNOTSUPP;
3263 vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3264 } else
3265 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3266 break;
3267 case IEEE80211_IOC_TSN:
3268 if (ireq->i_val) {
3269 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3270 return EOPNOTSUPP;
3271 vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3272 } else
3273 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3274 break;
3275 case IEEE80211_IOC_CHANSWITCH:
3276 error = ieee80211_ioctl_chanswitch(vap, ireq);
3277 break;
3278 case IEEE80211_IOC_DFS:
3279 if (ireq->i_val) {
3280 if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3281 return EOPNOTSUPP;
3282 /* NB: DFS requires 11h support */
3283 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3284 return EINVAL;
3285 vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3286 } else
3287 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3288 break;
3289 case IEEE80211_IOC_DOTD:
3290 if (ireq->i_val)
3291 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3292 else
3293 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3294 if (vap->iv_opmode == IEEE80211_M_STA)
3295 error = ENETRESET;
3296 break;
3297 case IEEE80211_IOC_HTPROTMODE:
3298 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3299 return EINVAL;
3300 ic->ic_htprotmode = ireq->i_val ?
3301 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3302 /* NB: if not operating in 11n this can wait */
3303 if (isvapht(vap))
3304 error = ERESTART;
3305 break;
3306 case IEEE80211_IOC_STA_VLAN:
3307 error = ieee80211_ioctl_setstavlan(vap, ireq);
3308 break;
3309 case IEEE80211_IOC_SMPS:
3310 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3311 ireq->i_val == 0x0008) /* value of 2 is reserved */
3312 return EINVAL;
3313 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3314 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3315 return EOPNOTSUPP;
3316 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3317 ireq->i_val;
3318 /* NB: if not operating in 11n this can wait */
3319 if (isvapht(vap))
3320 error = ERESTART;
3321 break;
3322 case IEEE80211_IOC_RIFS:
3323 if (ireq->i_val != 0) {
3324 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3325 return EOPNOTSUPP;
3326 vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3327 } else
3328 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3329 /* NB: if not operating in 11n this can wait */
3330 if (isvapht(vap))
3331 error = ERESTART;
3332 break;
3333 case IEEE80211_IOC_STBC:
3334 /* Check if we can do STBC TX/RX before changing the setting */
3335 if ((ireq->i_val & 1) &&
3336 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0))
3337 return EOPNOTSUPP;
3338 if ((ireq->i_val & 2) &&
3339 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0))
3340 return EOPNOTSUPP;
3341
3342 /* TX */
3343 if (ireq->i_val & 1)
3344 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX;
3345 else
3346 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX;
3347
3348 /* RX */
3349 if (ireq->i_val & 2)
3350 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX;
3351 else
3352 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX;
3353
3354 /* NB: reset only if we're operating on an 11n channel */
3355 if (isvapht(vap))
3356 error = ERESTART;
3357 break;
3358 default:
3359 error = ieee80211_ioctl_setdefault(vap, ireq);
3360 break;
3361 }
3362 /*
3363 * The convention is that ENETRESET means an operation
3364 * requires a complete re-initialization of the device (e.g.
3365 * changing something that affects the association state).
3366 * ERESTART means the request may be handled with only a
3367 * reload of the hardware state. We hand ERESTART requests
3368 * to the iv_reset callback so the driver can decide. If
3369 * a device does not fillin iv_reset then it defaults to one
3370 * that returns ENETRESET. Otherwise a driver may return
3371 * ENETRESET (in which case a full reset will be done) or
3372 * 0 to mean there's no need to do anything (e.g. when the
3373 * change has no effect on the driver/device).
3374 */
3375 if (error == ERESTART)
3376 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3377 vap->iv_reset(vap, ireq->i_type) : 0;
3378 if (error == ENETRESET) {
3379 /* XXX need to re-think AUTO handling */
3380 if (IS_UP_AUTO(vap))
3381 ieee80211_init(vap);
3382 error = 0;
3383 }
3384 return error;
3385 }
3386
3387 int
3388 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3389 {
3390 struct ieee80211vap *vap = ifp->if_softc;
3391 struct ieee80211com *ic = vap->iv_ic;
3392 int error = 0, wait = 0, ic_used;
3393 struct ifreq *ifr;
3394 struct ifaddr *ifa; /* XXX */
3395
3396 ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS);
3397 if (ic_used && (error = ieee80211_com_vincref(vap)) != 0)
3398 return (error);
3399
3400 switch (cmd) {
3401 case SIOCSIFFLAGS:
3402 IEEE80211_LOCK(ic);
3403 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) {
3404 /*
3405 * Enable promiscuous mode when:
3406 * 1. Interface is not a member of bridge, or
3407 * 2. Requested by user, or
3408 * 3. In monitor (or adhoc-demo) mode.
3409 */
3410 if (ifp->if_bridge == NULL ||
3411 (ifp->if_flags & IFF_PPROMISC) != 0 ||
3412 vap->iv_opmode == IEEE80211_M_MONITOR ||
3413 (vap->iv_opmode == IEEE80211_M_AHDEMO &&
3414 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) {
3415 ieee80211_promisc(vap,
3416 ifp->if_flags & IFF_PROMISC);
3417 vap->iv_ifflags ^= IFF_PROMISC;
3418 }
3419 }
3420 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) {
3421 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI);
3422 vap->iv_ifflags ^= IFF_ALLMULTI;
3423 }
3424 if (ifp->if_flags & IFF_UP) {
3425 /*
3426 * Bring ourself up unless we're already operational.
3427 * If we're the first vap and the parent is not up
3428 * then it will automatically be brought up as a
3429 * side-effect of bringing ourself up.
3430 */
3431 if (vap->iv_state == IEEE80211_S_INIT) {
3432 if (ic->ic_nrunning == 0)
3433 wait = 1;
3434 ieee80211_start_locked(vap);
3435 }
3436 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3437 /*
3438 * Stop ourself. If we are the last vap to be
3439 * marked down the parent will also be taken down.
3440 */
3441 if (ic->ic_nrunning == 1)
3442 wait = 1;
3443 ieee80211_stop_locked(vap);
3444 }
3445 IEEE80211_UNLOCK(ic);
3446 /* Wait for parent ioctl handler if it was queued */
3447 if (wait) {
3448 ieee80211_waitfor_parent(ic);
3449
3450 /*
3451 * Check if the MAC address was changed
3452 * via SIOCSIFLLADDR ioctl.
3453 *
3454 * NB: device may be detached during initialization;
3455 * use if_ioctl for existence check.
3456 */
3457 if_addr_rlock(ifp);
3458 if (ifp->if_ioctl == ieee80211_ioctl &&
3459 (ifp->if_flags & IFF_UP) == 0 &&
3460 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp)))
3461 IEEE80211_ADDR_COPY(vap->iv_myaddr,
3462 IF_LLADDR(ifp));
3463 if_addr_runlock(ifp);
3464 }
3465 break;
3466 case SIOCADDMULTI:
3467 case SIOCDELMULTI:
3468 ieee80211_runtask(ic, &ic->ic_mcast_task);
3469 break;
3470 case SIOCSIFMEDIA:
3471 case SIOCGIFMEDIA:
3472 ifr = (struct ifreq *)data;
3473 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3474 break;
3475 case SIOCG80211:
3476 error = ieee80211_ioctl_get80211(vap, cmd,
3477 (struct ieee80211req *) data);
3478 break;
3479 case SIOCS80211:
3480 error = priv_check(curthread, PRIV_NET80211_MANAGE);
3481 if (error == 0)
3482 error = ieee80211_ioctl_set80211(vap, cmd,
3483 (struct ieee80211req *) data);
3484 break;
3485 case SIOCG80211STATS:
3486 ifr = (struct ifreq *)data;
3487 copyout(&vap->iv_stats, ifr_data_get_ptr(ifr),
3488 sizeof (vap->iv_stats));
3489 break;
3490 case SIOCSIFMTU:
3491 ifr = (struct ifreq *)data;
3492 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3493 ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3494 error = EINVAL;
3495 else
3496 ifp->if_mtu = ifr->ifr_mtu;
3497 break;
3498 case SIOCSIFADDR:
3499 /*
3500 * XXX Handle this directly so we can suppress if_init calls.
3501 * XXX This should be done in ether_ioctl but for the moment
3502 * XXX there are too many other parts of the system that
3503 * XXX set IFF_UP and so suppress if_init being called when
3504 * XXX it should be.
3505 */
3506 ifa = (struct ifaddr *) data;
3507 switch (ifa->ifa_addr->sa_family) {
3508 #ifdef INET
3509 case AF_INET:
3510 if ((ifp->if_flags & IFF_UP) == 0) {
3511 ifp->if_flags |= IFF_UP;
3512 ifp->if_init(ifp->if_softc);
3513 }
3514 arp_ifinit(ifp, ifa);
3515 break;
3516 #endif
3517 default:
3518 if ((ifp->if_flags & IFF_UP) == 0) {
3519 ifp->if_flags |= IFF_UP;
3520 ifp->if_init(ifp->if_softc);
3521 }
3522 break;
3523 }
3524 break;
3525 default:
3526 /*
3527 * Pass unknown ioctls first to the driver, and if it
3528 * returns ENOTTY, then to the generic Ethernet handler.
3529 */
3530 if (ic->ic_ioctl != NULL &&
3531 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY)
3532 break;
3533 error = ether_ioctl(ifp, cmd, data);
3534 break;
3535 }
3536
3537 if (ic_used)
3538 ieee80211_com_vdecref(vap);
3539
3540 return (error);
3541 }
Cache object: 479d12b9820a62e7b241909959a8c711
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