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mtw(4) remove misplaced DEBUG_FLAGS
[freebsd/src.git] / sys / net80211 / ieee80211_ioctl.c
blob3b57e7d8cd8ef79cc7d3c48d2e6033634eec9531
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2001 Atsushi Onoe
5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 /*
31 * IEEE 802.11 ioctl support (FreeBSD-specific)
32 */
33
34 #include "opt_inet.h"
35 #include "opt_wlan.h"
36
37 #include <sys/endian.h>
38 #include <sys/param.h>
39 #include <sys/kernel.h>
40 #include <sys/malloc.h>
41 #include <sys/socket.h>
42 #include <sys/sockio.h>
43 #include <sys/systm.h>
44
45 #include <net/if.h>
46 #include <net/if_var.h>
47 #include <net/if_dl.h>
48 #include <net/if_media.h>
49 #include <net/if_private.h>
50 #include <net/ethernet.h>
51
52 #ifdef INET
53 #include <netinet/in.h>
54 #include <netinet/if_ether.h>
55 #endif
56
57 #include <net80211/ieee80211_var.h>
58 #include <net80211/ieee80211_ioctl.h>
59 #include <net80211/ieee80211_regdomain.h>
60 #include <net80211/ieee80211_input.h>
61
62 #define IS_UP_AUTO(_vap) \
63 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \
64 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
65
66 static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
67 static struct ieee80211_channel *findchannel(struct ieee80211com *,
68 int ieee, int mode);
69 static int ieee80211_scanreq(struct ieee80211vap *,
70 struct ieee80211_scan_req *);
71
72 static int
73 ieee80211_ioctl_getkey(u_long cmd, struct ieee80211vap *vap,
74 struct ieee80211req *ireq)
75 {
76 struct ieee80211com *ic = vap->iv_ic;
77 struct ieee80211_node *ni;
78 struct ieee80211req_key ik;
79 struct ieee80211_key *wk;
80 const struct ieee80211_cipher *cip;
81 u_int kid;
82 int error;
83
84 if (ireq->i_len != sizeof(ik))
85 return EINVAL;
86 error = copyin(ireq->i_data, &ik, sizeof(ik));
87 if (error)
88 return error;
89 kid = ik.ik_keyix;
90 if (kid == IEEE80211_KEYIX_NONE) {
91 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
92 if (ni == NULL)
93 return ENOENT;
94 wk = &ni->ni_ucastkey;
95 } else {
96 if (kid >= IEEE80211_WEP_NKID)
97 return EINVAL;
98 wk = &vap->iv_nw_keys[kid];
99 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
100 ni = NULL;
101 }
102 cip = wk->wk_cipher;
103 ik.ik_type = cip->ic_cipher;
104 ik.ik_keylen = wk->wk_keylen;
105 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
106 if (wk->wk_keyix == vap->iv_def_txkey)
107 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
108 if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) {
109 /* NB: only root can read key data */
110 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
111 ik.ik_keytsc = wk->wk_keytsc;
112 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
113 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
114 memcpy(ik.ik_keydata+wk->wk_keylen,
115 wk->wk_key + IEEE80211_KEYBUF_SIZE,
116 IEEE80211_MICBUF_SIZE);
117 ik.ik_keylen += IEEE80211_MICBUF_SIZE;
118 }
119 } else {
120 ik.ik_keyrsc = 0;
121 ik.ik_keytsc = 0;
122 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
123 }
124 if (ni != NULL)
125 ieee80211_free_node(ni);
126 return copyout(&ik, ireq->i_data, sizeof(ik));
127 }
128
129 static int
130 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
131 {
132 struct ieee80211com *ic = vap->iv_ic;
133
134 if (sizeof(ic->ic_chan_active) < ireq->i_len)
135 ireq->i_len = sizeof(ic->ic_chan_active);
136 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
137 }
138
139 static int
140 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
141 {
142 struct ieee80211com *ic = vap->iv_ic;
143 uint32_t space;
144
145 space = __offsetof(struct ieee80211req_chaninfo,
146 ic_chans[ic->ic_nchans]);
147 if (space > ireq->i_len)
148 space = ireq->i_len;
149 /* XXX assumes compatible layout */
150 return copyout(&ic->ic_nchans, ireq->i_data, space);
151 }
152
153 static int
154 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
155 struct ieee80211req *ireq, int req)
156 {
157 struct ieee80211_node *ni;
158 struct ieee80211req_wpaie2 *wpaie;
159 int error;
160
161 if (ireq->i_len < IEEE80211_ADDR_LEN)
162 return EINVAL;
163 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP,
164 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
165 if (wpaie == NULL)
166 return ENOMEM;
167 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN);
168 if (error != 0)
169 goto bad;
170 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr);
171 if (ni == NULL) {
172 error = ENOENT;
173 goto bad;
174 }
175 if (ni->ni_ies.wpa_ie != NULL) {
176 int ielen = ni->ni_ies.wpa_ie[1] + 2;
177 if (ielen > sizeof(wpaie->wpa_ie))
178 ielen = sizeof(wpaie->wpa_ie);
179 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen);
180 }
181 if (req == IEEE80211_IOC_WPAIE2) {
182 if (ni->ni_ies.rsn_ie != NULL) {
183 int ielen = ni->ni_ies.rsn_ie[1] + 2;
184 if (ielen > sizeof(wpaie->rsn_ie))
185 ielen = sizeof(wpaie->rsn_ie);
186 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen);
187 }
188 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
189 ireq->i_len = sizeof(struct ieee80211req_wpaie2);
190 } else {
191 /* compatibility op, may overwrite wpa ie */
192 /* XXX check ic_flags? */
193 if (ni->ni_ies.rsn_ie != NULL) {
194 int ielen = ni->ni_ies.rsn_ie[1] + 2;
195 if (ielen > sizeof(wpaie->wpa_ie))
196 ielen = sizeof(wpaie->wpa_ie);
197 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen);
198 }
199 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
200 ireq->i_len = sizeof(struct ieee80211req_wpaie);
201 }
202 ieee80211_free_node(ni);
203 error = copyout(wpaie, ireq->i_data, ireq->i_len);
204 bad:
205 IEEE80211_FREE(wpaie, M_TEMP);
206 return error;
207 }
208
209 static int
210 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
211 {
212 struct ieee80211_node *ni;
213 uint8_t macaddr[IEEE80211_ADDR_LEN];
214 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats);
215 int error;
216
217 if (ireq->i_len < off)
218 return EINVAL;
219 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
220 if (error != 0)
221 return error;
222 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
223 if (ni == NULL)
224 return ENOENT;
225 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
226 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
227 /* NB: copy out only the statistics */
228 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
229 ireq->i_len - off);
230 ieee80211_free_node(ni);
231 return error;
232 }
233
234 struct scanreq {
235 struct ieee80211req_scan_result *sr;
236 size_t space;
237 };
238
239 static size_t
240 scan_space(const struct ieee80211_scan_entry *se, int *ielen)
241 {
242 size_t len;
243
244 *ielen = se->se_ies.len;
245 /*
246 * NB: ie's can be no more than 255 bytes and the max 802.11
247 * packet is <3Kbytes so we are sure this doesn't overflow
248 * 16-bits; if this is a concern we can drop the ie's.
249 */
250 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] +
251 se->se_meshid[1] + *ielen;
252 return roundup(len, sizeof(uint32_t));
253 }
254
255 static void
256 get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
257 {
258 struct scanreq *req = arg;
259 int ielen;
260
261 req->space += scan_space(se, &ielen);
262 }
263
264 static void
265 get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
266 {
267 struct scanreq *req = arg;
268 struct ieee80211req_scan_result *sr;
269 int ielen, len, nr, nxr;
270 uint8_t *cp;
271
272 len = scan_space(se, &ielen);
273 if (len > req->space)
274 return;
275
276 sr = req->sr;
277 KASSERT(len <= 65535 && ielen <= 65535,
278 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
279 sr->isr_len = len;
280 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
281 sr->isr_ie_len = ielen;
282 sr->isr_freq = se->se_chan->ic_freq;
283 sr->isr_flags = se->se_chan->ic_flags;
284 sr->isr_rssi = se->se_rssi;
285 sr->isr_noise = se->se_noise;
286 sr->isr_intval = se->se_intval;
287 sr->isr_capinfo = se->se_capinfo;
288 sr->isr_erp = se->se_erp;
289 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
290 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
291 memcpy(sr->isr_rates, se->se_rates+2, nr);
292 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
293 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
294 sr->isr_nrates = nr + nxr;
295
296 /* copy SSID */
297 sr->isr_ssid_len = se->se_ssid[1];
298 cp = ((uint8_t *)sr) + sr->isr_ie_off;
299 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
300
301 /* copy mesh id */
302 cp += sr->isr_ssid_len;
303 sr->isr_meshid_len = se->se_meshid[1];
304 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len);
305 cp += sr->isr_meshid_len;
306
307 if (ielen)
308 memcpy(cp, se->se_ies.data, ielen);
309
310 req->space -= len;
311 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
312 }
313
314 static int
315 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
316 struct ieee80211req *ireq)
317 {
318 struct scanreq req;
319 int error;
320
321 if (ireq->i_len < sizeof(struct scanreq))
322 return EFAULT;
323
324 error = 0;
325 req.space = 0;
326 ieee80211_scan_iterate(vap, get_scan_space, &req);
327 if (req.space > ireq->i_len)
328 req.space = ireq->i_len;
329 if (req.space > 0) {
330 uint32_t space;
331 void *p;
332
333 space = req.space;
334 /* XXX IEEE80211_M_WAITOK after driver lock released */
335 p = IEEE80211_MALLOC(space, M_TEMP,
336 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
337 if (p == NULL)
338 return ENOMEM;
339 req.sr = p;
340 ieee80211_scan_iterate(vap, get_scan_result, &req);
341 ireq->i_len = space - req.space;
342 error = copyout(p, ireq->i_data, ireq->i_len);
343 IEEE80211_FREE(p, M_TEMP);
344 } else
345 ireq->i_len = 0;
346
347 return error;
348 }
349
350 struct stainforeq {
351 struct ieee80211req_sta_info *si;
352 size_t space;
353 };
354
355 static size_t
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 (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
370 ni->ni_associd == 0) /* only associated stations */
371 return;
372 req->space += sta_space(ni, &ielen);
373 }
374
375 static void
376 get_sta_info(void *arg, struct ieee80211_node *ni)
377 {
378 struct stainforeq *req = arg;
379 struct ieee80211vap *vap = ni->ni_vap;
380 struct ieee80211req_sta_info *si;
381 size_t ielen, len;
382 uint8_t *cp;
383
384 if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
385 ni->ni_associd == 0) /* only associated stations */
386 return;
387 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
388 return;
389 len = sta_space(ni, &ielen);
390 if (len > req->space)
391 return;
392 si = req->si;
393 si->isi_len = len;
394 si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
395 si->isi_ie_len = ielen;
396 si->isi_freq = ni->ni_chan->ic_freq;
397 si->isi_flags = ni->ni_chan->ic_flags;
398 si->isi_state = ni->ni_flags;
399 si->isi_authmode = ni->ni_authmode;
400 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
401 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
402 si->isi_capinfo = ni->ni_capinfo;
403 si->isi_erp = ni->ni_erp;
404 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
405 si->isi_nrates = ni->ni_rates.rs_nrates;
406 if (si->isi_nrates > 15)
407 si->isi_nrates = 15;
408 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
409 si->isi_txrate = ni->ni_txrate;
410 if (si->isi_txrate & IEEE80211_RATE_MCS) {
411 const struct ieee80211_mcs_rates *mcs =
412 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
413 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
414 if (ni->ni_flags & IEEE80211_NODE_SGI40)
415 si->isi_txmbps = mcs->ht40_rate_800ns;
416 else
417 si->isi_txmbps = mcs->ht40_rate_400ns;
418 } else {
419 if (ni->ni_flags & IEEE80211_NODE_SGI20)
420 si->isi_txmbps = mcs->ht20_rate_800ns;
421 else
422 si->isi_txmbps = mcs->ht20_rate_400ns;
423 }
424 } else
425 si->isi_txmbps = si->isi_txrate;
426 si->isi_associd = ni->ni_associd;
427 si->isi_txpower = ni->ni_txpower;
428 si->isi_vlan = ni->ni_vlan;
429 if (ni->ni_flags & IEEE80211_NODE_QOS) {
430 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
431 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
432 } else {
433 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
434 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
435 }
436 /* NB: leave all cases in case we relax ni_associd == 0 check */
437 if (ieee80211_node_is_authorized(ni))
438 si->isi_inact = vap->iv_inact_run;
439 else if (ni->ni_associd != 0 ||
440 (vap->iv_opmode == IEEE80211_M_WDS &&
441 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
442 si->isi_inact = vap->iv_inact_auth;
443 else
444 si->isi_inact = vap->iv_inact_init;
445 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
446 si->isi_localid = ni->ni_mllid;
447 si->isi_peerid = ni->ni_mlpid;
448 si->isi_peerstate = ni->ni_mlstate;
449
450 if (ielen) {
451 cp = ((uint8_t *)si) + si->isi_ie_off;
452 memcpy(cp, ni->ni_ies.data, ielen);
453 }
454
455 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
456 req->space -= len;
457 }
458
459 static int
460 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
461 struct ieee80211_node *ni, size_t off)
462 {
463 struct ieee80211com *ic = vap->iv_ic;
464 struct stainforeq req;
465 size_t space;
466 void *p;
467 int error;
468
469 error = 0;
470 req.space = 0;
471 if (ni == NULL) {
472 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space,
473 &req);
474 } else
475 get_sta_space(&req, ni);
476 if (req.space > ireq->i_len)
477 req.space = ireq->i_len;
478 if (req.space > 0) {
479 space = req.space;
480 /* XXX IEEE80211_M_WAITOK after driver lock released */
481 p = IEEE80211_MALLOC(space, M_TEMP,
482 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
483 if (p == NULL) {
484 error = ENOMEM;
485 goto bad;
486 }
487 req.si = p;
488 if (ni == NULL) {
489 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap,
490 get_sta_info, &req);
491 } else
492 get_sta_info(&req, ni);
493 ireq->i_len = space - req.space;
494 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
495 IEEE80211_FREE(p, M_TEMP);
496 } else
497 ireq->i_len = 0;
498 bad:
499 if (ni != NULL)
500 ieee80211_free_node(ni);
501 return error;
502 }
503
504 static int
505 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
506 {
507 uint8_t macaddr[IEEE80211_ADDR_LEN];
508 const size_t off = __offsetof(struct ieee80211req_sta_req, info);
509 struct ieee80211_node *ni;
510 int error;
511
512 if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
513 return EFAULT;
514 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
515 if (error != 0)
516 return error;
517 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
518 ni = NULL;
519 } else {
520 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
521 if (ni == NULL)
522 return ENOENT;
523 }
524 return getstainfo_common(vap, ireq, ni, off);
525 }
526
527 static int
528 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
529 {
530 struct ieee80211_node *ni;
531 struct ieee80211req_sta_txpow txpow;
532 int error;
533
534 if (ireq->i_len != sizeof(txpow))
535 return EINVAL;
536 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
537 if (error != 0)
538 return error;
539 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
540 if (ni == NULL)
541 return ENOENT;
542 txpow.it_txpow = ni->ni_txpower;
543 error = copyout(&txpow, ireq->i_data, sizeof(txpow));
544 ieee80211_free_node(ni);
545 return error;
546 }
547
548 static int
549 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
550 {
551 struct ieee80211com *ic = vap->iv_ic;
552 struct ieee80211_wme_state *wme = &ic->ic_wme;
553 struct wmeParams *wmep;
554 int ac;
555
556 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
557 return EINVAL;
558
559 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
560 if (ac >= WME_NUM_AC)
561 ac = WME_AC_BE;
562 if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
563 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
564 else
565 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
566 switch (ireq->i_type) {
567 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
568 ireq->i_val = wmep->wmep_logcwmin;
569 break;
570 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
571 ireq->i_val = wmep->wmep_logcwmax;
572 break;
573 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
574 ireq->i_val = wmep->wmep_aifsn;
575 break;
576 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
577 ireq->i_val = wmep->wmep_txopLimit;
578 break;
579 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
580 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
581 ireq->i_val = wmep->wmep_acm;
582 break;
583 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
584 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
585 ireq->i_val = !wmep->wmep_noackPolicy;
586 break;
587 }
588 return 0;
589 }
590
591 static int
592 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
593 {
594 const struct ieee80211_aclator *acl = vap->iv_acl;
595
596 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
597 }
598
599 static int
600 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
601 {
602 struct ieee80211com *ic = vap->iv_ic;
603 struct ieee80211_channel *c;
604
605 if (ireq->i_len != sizeof(struct ieee80211_channel))
606 return EINVAL;
607 /*
608 * vap's may have different operating channels when HT is
609 * in use. When in RUN state report the vap-specific channel.
610 * Otherwise return curchan.
611 */
612 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
613 c = vap->iv_bss->ni_chan;
614 else
615 c = ic->ic_curchan;
616 return copyout(c, ireq->i_data, sizeof(*c));
617 }
618
619 static int
620 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
621 {
622 if (aie == NULL)
623 return EINVAL;
624 /* NB: truncate, caller can check length */
625 if (ireq->i_len > aie->ie_len)
626 ireq->i_len = aie->ie_len;
627 return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
628 }
629
630 static int
631 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
632 {
633 uint8_t fc0;
634
635 fc0 = ireq->i_val & 0xff;
636 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
637 return EINVAL;
638 /* NB: could check iv_opmode and reject but hardly worth the effort */
639 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
640 case IEEE80211_FC0_SUBTYPE_BEACON:
641 return getappie(vap->iv_appie_beacon, ireq);
642 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
643 return getappie(vap->iv_appie_proberesp, ireq);
644 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
645 return getappie(vap->iv_appie_assocresp, ireq);
646 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
647 return getappie(vap->iv_appie_probereq, ireq);
648 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
649 return getappie(vap->iv_appie_assocreq, ireq);
650 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
651 return getappie(vap->iv_appie_wpa, ireq);
652 }
653 return EINVAL;
654 }
655
656 static int
657 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
658 const struct ieee80211req *ireq)
659 {
660 struct ieee80211com *ic = vap->iv_ic;
661
662 if (ireq->i_len != sizeof(ic->ic_regdomain))
663 return EINVAL;
664 return copyout(&ic->ic_regdomain, ireq->i_data,
665 sizeof(ic->ic_regdomain));
666 }
667
668 static int
669 ieee80211_ioctl_getroam(struct ieee80211vap *vap,
670 const struct ieee80211req *ireq)
671 {
672 size_t len = ireq->i_len;
673 /* NB: accept short requests for backwards compat */
674 if (len > sizeof(vap->iv_roamparms))
675 len = sizeof(vap->iv_roamparms);
676 return copyout(vap->iv_roamparms, ireq->i_data, len);
677 }
678
679 static int
680 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
681 const struct ieee80211req *ireq)
682 {
683 size_t len = ireq->i_len;
684 /* NB: accept short requests for backwards compat */
685 if (len > sizeof(vap->iv_txparms))
686 len = sizeof(vap->iv_txparms);
687 return copyout(vap->iv_txparms, ireq->i_data, len);
688 }
689
690 static int
691 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
692 const struct ieee80211req *ireq)
693 {
694 struct ieee80211_devcaps_req *dc;
695 struct ieee80211req_chaninfo *ci;
696 int maxchans, error;
697
698 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
699 sizeof(struct ieee80211_channel));
700 /* NB: require 1 so we know ic_nchans is accessible */
701 if (maxchans < 1)
702 return EINVAL;
703 /* constrain max request size, 2K channels is ~24Kbytes */
704 if (maxchans > 2048)
705 maxchans = 2048;
706 dc = (struct ieee80211_devcaps_req *)
707 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP,
708 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
709 if (dc == NULL)
710 return ENOMEM;
711 dc->dc_drivercaps = ic->ic_caps;
712 /*
713 * Announce the set of both hardware and software supported
714 * ciphers.
715 */
716 dc->dc_cryptocaps = ic->ic_cryptocaps | ic->ic_sw_cryptocaps;
717 dc->dc_htcaps = ic->ic_htcaps;
718 dc->dc_vhtcaps = ic->ic_vht_cap.vht_cap_info;
719 ci = &dc->dc_chaninfo;
720 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans);
721 KASSERT(ci->ic_nchans <= maxchans,
722 ("nchans %d maxchans %d", ci->ic_nchans, maxchans));
723 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
724 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc));
725 IEEE80211_FREE(dc, M_TEMP);
726 return error;
727 }
728
729 static int
730 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
731 {
732 struct ieee80211_node *ni;
733 struct ieee80211req_sta_vlan vlan;
734 int error;
735
736 if (ireq->i_len != sizeof(vlan))
737 return EINVAL;
738 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
739 if (error != 0)
740 return error;
741 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
742 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
743 vlan.sv_macaddr);
744 if (ni == NULL)
745 return ENOENT;
746 } else
747 ni = ieee80211_ref_node(vap->iv_bss);
748 vlan.sv_vlan = ni->ni_vlan;
749 error = copyout(&vlan, ireq->i_data, sizeof(vlan));
750 ieee80211_free_node(ni);
751 return error;
752 }
753
754 /*
755 * Dummy ioctl get handler so the linker set is defined.
756 */
757 static int
758 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq)
759 {
760 return ENOSYS;
761 }
762 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get);
763
764 static int
765 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
766 {
767 ieee80211_ioctl_getfunc * const *get;
768 int error;
769
770 SET_FOREACH(get, ieee80211_ioctl_getset) {
771 error = (*get)(vap, ireq);
772 if (error != ENOSYS)
773 return error;
774 }
775 return EINVAL;
776 }
777
778 static int
779 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
780 struct ieee80211req *ireq)
781 {
782 struct ieee80211com *ic = vap->iv_ic;
783 u_int kid, len;
784 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
785 char tmpssid[IEEE80211_NWID_LEN];
786 int error = 0;
787
788 switch (ireq->i_type) {
789 case IEEE80211_IOC_IC_NAME:
790 len = strlen(ic->ic_name) + 1;
791 if (len > ireq->i_len)
792 return (EINVAL);
793 ireq->i_len = len;
794 error = copyout(ic->ic_name, ireq->i_data, ireq->i_len);
795 break;
796 case IEEE80211_IOC_SSID:
797 switch (vap->iv_state) {
798 case IEEE80211_S_INIT:
799 case IEEE80211_S_SCAN:
800 ireq->i_len = vap->iv_des_ssid[0].len;
801 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
802 break;
803 default:
804 ireq->i_len = vap->iv_bss->ni_esslen;
805 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
806 break;
807 }
808 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
809 break;
810 case IEEE80211_IOC_NUMSSIDS:
811 ireq->i_val = 1;
812 break;
813 case IEEE80211_IOC_WEP:
814 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
815 ireq->i_val = IEEE80211_WEP_OFF;
816 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
817 ireq->i_val = IEEE80211_WEP_ON;
818 else
819 ireq->i_val = IEEE80211_WEP_MIXED;
820 break;
821 case IEEE80211_IOC_WEPKEY:
822 kid = (u_int) ireq->i_val;
823 if (kid >= IEEE80211_WEP_NKID)
824 return EINVAL;
825 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
826 /* NB: only root can read WEP keys */
827 if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) {
828 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
829 } else {
830 bzero(tmpkey, len);
831 }
832 ireq->i_len = len;
833 error = copyout(tmpkey, ireq->i_data, len);
834 break;
835 case IEEE80211_IOC_NUMWEPKEYS:
836 ireq->i_val = IEEE80211_WEP_NKID;
837 break;
838 case IEEE80211_IOC_WEPTXKEY:
839 ireq->i_val = vap->iv_def_txkey;
840 break;
841 case IEEE80211_IOC_AUTHMODE:
842 if (vap->iv_flags & IEEE80211_F_WPA)
843 ireq->i_val = IEEE80211_AUTH_WPA;
844 else
845 ireq->i_val = vap->iv_bss->ni_authmode;
846 break;
847 case IEEE80211_IOC_CHANNEL:
848 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
849 break;
850 case IEEE80211_IOC_POWERSAVE:
851 if (vap->iv_flags & IEEE80211_F_PMGTON)
852 ireq->i_val = IEEE80211_POWERSAVE_ON;
853 else
854 ireq->i_val = IEEE80211_POWERSAVE_OFF;
855 break;
856 case IEEE80211_IOC_POWERSAVESLEEP:
857 ireq->i_val = ic->ic_lintval;
858 break;
859 case IEEE80211_IOC_RTSTHRESHOLD:
860 ireq->i_val = vap->iv_rtsthreshold;
861 break;
862 case IEEE80211_IOC_PROTMODE:
863 ireq->i_val = vap->iv_protmode;
864 break;
865 case IEEE80211_IOC_TXPOWER:
866 /*
867 * Tx power limit is the min of max regulatory
868 * power, any user-set limit, and the max the
869 * radio can do.
870 *
871 * TODO: methodize this
872 */
873 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
874 if (ireq->i_val > ic->ic_txpowlimit)
875 ireq->i_val = ic->ic_txpowlimit;
876 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
877 ireq->i_val = ic->ic_curchan->ic_maxpower;
878 break;
879 case IEEE80211_IOC_WPA:
880 switch (vap->iv_flags & IEEE80211_F_WPA) {
881 case IEEE80211_F_WPA1:
882 ireq->i_val = 1;
883 break;
884 case IEEE80211_F_WPA2:
885 ireq->i_val = 2;
886 break;
887 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
888 ireq->i_val = 3;
889 break;
890 default:
891 ireq->i_val = 0;
892 break;
893 }
894 break;
895 case IEEE80211_IOC_CHANLIST:
896 error = ieee80211_ioctl_getchanlist(vap, ireq);
897 break;
898 case IEEE80211_IOC_ROAMING:
899 ireq->i_val = vap->iv_roaming;
900 break;
901 case IEEE80211_IOC_PRIVACY:
902 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
903 break;
904 case IEEE80211_IOC_DROPUNENCRYPTED:
905 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
906 break;
907 case IEEE80211_IOC_COUNTERMEASURES:
908 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
909 break;
910 case IEEE80211_IOC_WME:
911 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
912 break;
913 case IEEE80211_IOC_HIDESSID:
914 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
915 break;
916 case IEEE80211_IOC_APBRIDGE:
917 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
918 break;
919 case IEEE80211_IOC_WPAKEY:
920 error = ieee80211_ioctl_getkey(cmd, vap, ireq);
921 break;
922 case IEEE80211_IOC_CHANINFO:
923 error = ieee80211_ioctl_getchaninfo(vap, ireq);
924 break;
925 case IEEE80211_IOC_BSSID:
926 if (ireq->i_len != IEEE80211_ADDR_LEN)
927 return EINVAL;
928 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) {
929 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ?
930 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid,
931 ireq->i_data, ireq->i_len);
932 } else
933 error = copyout(vap->iv_des_bssid, ireq->i_data,
934 ireq->i_len);
935 break;
936 case IEEE80211_IOC_WPAIE:
937 case IEEE80211_IOC_WPAIE2:
938 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
939 break;
940 case IEEE80211_IOC_SCAN_RESULTS:
941 error = ieee80211_ioctl_getscanresults(vap, ireq);
942 break;
943 case IEEE80211_IOC_STA_STATS:
944 error = ieee80211_ioctl_getstastats(vap, ireq);
945 break;
946 case IEEE80211_IOC_TXPOWMAX:
947 ireq->i_val = vap->iv_bss->ni_txpower;
948 break;
949 case IEEE80211_IOC_STA_TXPOW:
950 error = ieee80211_ioctl_getstatxpow(vap, ireq);
951 break;
952 case IEEE80211_IOC_STA_INFO:
953 error = ieee80211_ioctl_getstainfo(vap, ireq);
954 break;
955 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
956 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
957 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
958 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
959 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
960 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */
961 error = ieee80211_ioctl_getwmeparam(vap, ireq);
962 break;
963 case IEEE80211_IOC_DTIM_PERIOD:
964 ireq->i_val = vap->iv_dtim_period;
965 break;
966 case IEEE80211_IOC_BEACON_INTERVAL:
967 /* NB: get from ic_bss for station mode */
968 ireq->i_val = vap->iv_bss->ni_intval;
969 break;
970 case IEEE80211_IOC_PUREG:
971 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
972 break;
973 case IEEE80211_IOC_QUIET:
974 ireq->i_val = vap->iv_quiet;
975 break;
976 case IEEE80211_IOC_QUIET_COUNT:
977 ireq->i_val = vap->iv_quiet_count;
978 break;
979 case IEEE80211_IOC_QUIET_PERIOD:
980 ireq->i_val = vap->iv_quiet_period;
981 break;
982 case IEEE80211_IOC_QUIET_DUR:
983 ireq->i_val = vap->iv_quiet_duration;
984 break;
985 case IEEE80211_IOC_QUIET_OFFSET:
986 ireq->i_val = vap->iv_quiet_offset;
987 break;
988 case IEEE80211_IOC_BGSCAN:
989 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
990 break;
991 case IEEE80211_IOC_BGSCAN_IDLE:
992 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */
993 break;
994 case IEEE80211_IOC_BGSCAN_INTERVAL:
995 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */
996 break;
997 case IEEE80211_IOC_SCANVALID:
998 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */
999 break;
1000 case IEEE80211_IOC_FRAGTHRESHOLD:
1001 ireq->i_val = vap->iv_fragthreshold;
1002 break;
1003 case IEEE80211_IOC_MACCMD:
1004 error = ieee80211_ioctl_getmaccmd(vap, ireq);
1005 break;
1006 case IEEE80211_IOC_BURST:
1007 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
1008 break;
1009 case IEEE80211_IOC_BMISSTHRESHOLD:
1010 ireq->i_val = vap->iv_bmissthreshold;
1011 break;
1012 case IEEE80211_IOC_CURCHAN:
1013 error = ieee80211_ioctl_getcurchan(vap, ireq);
1014 break;
1015 case IEEE80211_IOC_SHORTGI:
1016 ireq->i_val = 0;
1017 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1018 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
1019 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1020 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
1021 break;
1022 case IEEE80211_IOC_AMPDU:
1023 ireq->i_val = 0;
1024 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1025 ireq->i_val |= 1;
1026 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1027 ireq->i_val |= 2;
1028 break;
1029 case IEEE80211_IOC_AMPDU_LIMIT:
1030 /* XXX TODO: make this a per-node thing; and leave this as global */
1031 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1032 ireq->i_val = vap->iv_ampdu_rxmax;
1033 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
1034 /*
1035 * XXX TODO: this isn't completely correct, as we've
1036 * negotiated the higher of the two.
1037 */
1038 ireq->i_val = _IEEE80211_MASKSHIFT( vap->iv_bss->ni_htparam,
1039 IEEE80211_HTCAP_MAXRXAMPDU);
1040 else
1041 ireq->i_val = vap->iv_ampdu_limit;
1042 break;
1043 case IEEE80211_IOC_AMPDU_DENSITY:
1044 /* XXX TODO: make this a per-node thing; and leave this as global */
1045 if (vap->iv_opmode == IEEE80211_M_STA &&
1046 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1047 /*
1048 * XXX TODO: this isn't completely correct, as we've
1049 * negotiated the higher of the two.
1050 */
1051 ireq->i_val = _IEEE80211_MASKSHIFT(vap->iv_bss->ni_htparam,
1052 IEEE80211_HTCAP_MPDUDENSITY);
1053 else
1054 ireq->i_val = vap->iv_ampdu_density;
1055 break;
1056 case IEEE80211_IOC_AMSDU:
1057 ireq->i_val = 0;
1058 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1059 ireq->i_val |= 1;
1060 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1061 ireq->i_val |= 2;
1062 break;
1063 case IEEE80211_IOC_AMSDU_LIMIT:
1064 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */
1065 break;
1066 case IEEE80211_IOC_PUREN:
1067 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1068 break;
1069 case IEEE80211_IOC_DOTH:
1070 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1071 break;
1072 case IEEE80211_IOC_REGDOMAIN:
1073 error = ieee80211_ioctl_getregdomain(vap, ireq);
1074 break;
1075 case IEEE80211_IOC_ROAM:
1076 error = ieee80211_ioctl_getroam(vap, ireq);
1077 break;
1078 case IEEE80211_IOC_TXPARAMS:
1079 error = ieee80211_ioctl_gettxparams(vap, ireq);
1080 break;
1081 case IEEE80211_IOC_HTCOMPAT:
1082 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1083 break;
1084 case IEEE80211_IOC_DWDS:
1085 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1086 break;
1087 case IEEE80211_IOC_INACTIVITY:
1088 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1089 break;
1090 case IEEE80211_IOC_APPIE:
1091 error = ieee80211_ioctl_getappie(vap, ireq);
1092 break;
1093 case IEEE80211_IOC_WPS:
1094 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1095 break;
1096 case IEEE80211_IOC_TSN:
1097 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1098 break;
1099 case IEEE80211_IOC_DFS:
1100 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1101 break;
1102 case IEEE80211_IOC_DOTD:
1103 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1104 break;
1105 case IEEE80211_IOC_DEVCAPS:
1106 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1107 break;
1108 case IEEE80211_IOC_HTPROTMODE:
1109 ireq->i_val = vap->iv_htprotmode;
1110 break;
1111 case IEEE80211_IOC_HTCONF:
1112 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1113 ireq->i_val = 1;
1114 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1115 ireq->i_val |= 2;
1116 } else
1117 ireq->i_val = 0;
1118 break;
1119 case IEEE80211_IOC_STA_VLAN:
1120 error = ieee80211_ioctl_getstavlan(vap, ireq);
1121 break;
1122 case IEEE80211_IOC_SMPS:
1123 if (vap->iv_opmode == IEEE80211_M_STA &&
1124 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) {
1125 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1126 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1127 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1128 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1129 else
1130 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1131 } else
1132 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1133 break;
1134 case IEEE80211_IOC_RIFS:
1135 if (vap->iv_opmode == IEEE80211_M_STA &&
1136 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1137 ireq->i_val =
1138 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1139 else
1140 ireq->i_val =
1141 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1142 break;
1143 case IEEE80211_IOC_STBC:
1144 ireq->i_val = 0;
1145 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX)
1146 ireq->i_val |= 1;
1147 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX)
1148 ireq->i_val |= 2;
1149 break;
1150 case IEEE80211_IOC_LDPC:
1151 ireq->i_val = 0;
1152 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX)
1153 ireq->i_val |= 1;
1154 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX)
1155 ireq->i_val |= 2;
1156 break;
1157 case IEEE80211_IOC_UAPSD:
1158 ireq->i_val = 0;
1159 if (vap->iv_flags_ext & IEEE80211_FEXT_UAPSD)
1160 ireq->i_val = 1;
1161 break;
1162 case IEEE80211_IOC_VHTCONF:
1163 ireq->i_val = vap->iv_vht_flags & IEEE80211_FVHT_MASK;
1164 break;
1165 default:
1166 error = ieee80211_ioctl_getdefault(vap, ireq);
1167 break;
1168 }
1169 return error;
1170 }
1171
1172 static int
1173 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1174 {
1175 struct ieee80211req_key ik;
1176 struct ieee80211_node *ni;
1177 struct ieee80211_key *wk;
1178 uint16_t kid;
1179 int error, i;
1180
1181 if (ireq->i_len != sizeof(ik))
1182 return EINVAL;
1183 error = copyin(ireq->i_data, &ik, sizeof(ik));
1184 if (error)
1185 return error;
1186 /* NB: cipher support is verified by ieee80211_crypt_newkey */
1187 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1188 if (ik.ik_keylen > sizeof(ik.ik_keydata))
1189 return E2BIG;
1190 kid = ik.ik_keyix;
1191 if (kid == IEEE80211_KEYIX_NONE) {
1192 /* XXX unicast keys currently must be tx/rx */
1193 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1194 return EINVAL;
1195 if (vap->iv_opmode == IEEE80211_M_STA) {
1196 ni = ieee80211_ref_node(vap->iv_bss);
1197 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1198 ieee80211_free_node(ni);
1199 return EADDRNOTAVAIL;
1200 }
1201 } else {
1202 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1203 ik.ik_macaddr);
1204 if (ni == NULL)
1205 return ENOENT;
1206 }
1207 wk = &ni->ni_ucastkey;
1208 } else {
1209 if (kid >= IEEE80211_WEP_NKID)
1210 return EINVAL;
1211 wk = &vap->iv_nw_keys[kid];
1212 /*
1213 * Global slots start off w/o any assigned key index.
1214 * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1215 */
1216 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1217 wk->wk_keyix = kid;
1218 ni = NULL;
1219 }
1220 error = 0;
1221 ieee80211_key_update_begin(vap);
1222 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1223 wk->wk_keylen = ik.ik_keylen;
1224 /* NB: MIC presence is implied by cipher type */
1225 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1226 wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1227 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1228 wk->wk_keyrsc[i] = ik.ik_keyrsc;
1229 wk->wk_keytsc = 0; /* new key, reset */
1230 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1231 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1232 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1233 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr);
1234 if (!ieee80211_crypto_setkey(vap, wk))
1235 error = EIO;
1236 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1237 /*
1238 * Inform the driver that this is the default
1239 * transmit key. Now, ideally we'd just set
1240 * a flag in the key update that would
1241 * say "yes, we're the default key", but
1242 * that currently isn't the way the ioctl ->
1243 * key interface works.
1244 */
1245 ieee80211_crypto_set_deftxkey(vap, kid);
1246 } else
1247 error = ENXIO;
1248 ieee80211_key_update_end(vap);
1249 if (ni != NULL)
1250 ieee80211_free_node(ni);
1251 return error;
1252 }
1253
1254 static int
1255 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1256 {
1257 struct ieee80211req_del_key dk;
1258 int kid, error;
1259
1260 if (ireq->i_len != sizeof(dk))
1261 return EINVAL;
1262 error = copyin(ireq->i_data, &dk, sizeof(dk));
1263 if (error)
1264 return error;
1265 kid = dk.idk_keyix;
1266 /* XXX uint8_t -> uint16_t */
1267 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1268 struct ieee80211_node *ni;
1269
1270 if (vap->iv_opmode == IEEE80211_M_STA) {
1271 ni = ieee80211_ref_node(vap->iv_bss);
1272 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1273 ieee80211_free_node(ni);
1274 return EADDRNOTAVAIL;
1275 }
1276 } else {
1277 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1278 dk.idk_macaddr);
1279 if (ni == NULL)
1280 return ENOENT;
1281 }
1282 /* XXX error return */
1283 ieee80211_node_delucastkey(ni);
1284 ieee80211_free_node(ni);
1285 } else {
1286 if (kid >= IEEE80211_WEP_NKID)
1287 return EINVAL;
1288 /* XXX error return */
1289 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1290 }
1291 return 0;
1292 }
1293
1294 struct mlmeop {
1295 struct ieee80211vap *vap;
1296 int op;
1297 int reason;
1298 };
1299
1300 static void
1301 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1302 int op, int reason)
1303 {
1304 #ifdef IEEE80211_DEBUG
1305 static const struct {
1306 int mask;
1307 const char *opstr;
1308 } ops[] = {
1309 { 0, "op#0" },
1310 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1311 IEEE80211_MSG_ASSOC, "assoc" },
1312 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1313 IEEE80211_MSG_ASSOC, "disassoc" },
1314 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1315 IEEE80211_MSG_AUTH, "deauth" },
1316 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1317 IEEE80211_MSG_AUTH, "authorize" },
1318 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1319 IEEE80211_MSG_AUTH, "unauthorize" },
1320 };
1321
1322 if (op == IEEE80211_MLME_AUTH) {
1323 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1324 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1325 "station authenticate %s via MLME (reason: %d (%s))",
1326 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1327 reason, ieee80211_reason_to_string(reason));
1328 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1329 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1330 "unknown MLME request %d (reason: %d (%s))", op, reason,
1331 ieee80211_reason_to_string(reason));
1332 } else if (reason == IEEE80211_STATUS_SUCCESS) {
1333 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1334 "station %s via MLME", ops[op].opstr);
1335 } else {
1336 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1337 "station %s via MLME (reason: %d (%s))", ops[op].opstr,
1338 reason, ieee80211_reason_to_string(reason));
1339 }
1340 #endif /* IEEE80211_DEBUG */
1341 }
1342
1343 static void
1344 domlme(void *arg, struct ieee80211_node *ni)
1345 {
1346 struct mlmeop *mop = arg;
1347 struct ieee80211vap *vap = ni->ni_vap;
1348
1349 if (vap != mop->vap)
1350 return;
1351 /*
1352 * NB: if ni_associd is zero then the node is already cleaned
1353 * up and we don't need to do this (we're safely holding a
1354 * reference but should otherwise not modify it's state).
1355 */
1356 if (ni->ni_associd == 0)
1357 return;
1358 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1359 if (mop->op == IEEE80211_MLME_DEAUTH) {
1360 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1361 mop->reason);
1362 } else {
1363 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1364 mop->reason);
1365 }
1366 ieee80211_node_leave(ni);
1367 }
1368
1369 static int
1370 setmlme_dropsta(struct ieee80211vap *vap,
1371 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1372 {
1373 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta;
1374 struct ieee80211_node *ni;
1375 int error = 0;
1376
1377 /* NB: the broadcast address means do 'em all */
1378 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) {
1379 IEEE80211_NODE_LOCK(nt);
1380 ni = ieee80211_find_node_locked(nt, mac);
1381 IEEE80211_NODE_UNLOCK(nt);
1382 /*
1383 * Don't do the node update inside the node
1384 * table lock. This unfortunately causes LORs
1385 * with drivers and their TX paths.
1386 */
1387 if (ni != NULL) {
1388 domlme(mlmeop, ni);
1389 ieee80211_free_node(ni);
1390 } else
1391 error = ENOENT;
1392 } else {
1393 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1394 }
1395 return error;
1396 }
1397
1398 static int
1399 setmlme_common(struct ieee80211vap *vap, int op,
1400 const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1401 {
1402 struct ieee80211com *ic = vap->iv_ic;
1403 struct ieee80211_node_table *nt = &ic->ic_sta;
1404 struct ieee80211_node *ni;
1405 struct mlmeop mlmeop;
1406 int error;
1407
1408 error = 0;
1409 switch (op) {
1410 case IEEE80211_MLME_DISASSOC:
1411 case IEEE80211_MLME_DEAUTH:
1412 switch (vap->iv_opmode) {
1413 case IEEE80211_M_STA:
1414 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1415 /* XXX not quite right */
1416 ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1417 break;
1418 case IEEE80211_M_HOSTAP:
1419 mlmeop.vap = vap;
1420 mlmeop.op = op;
1421 mlmeop.reason = reason;
1422 error = setmlme_dropsta(vap, mac, &mlmeop);
1423 break;
1424 case IEEE80211_M_WDS:
1425 /* XXX user app should send raw frame? */
1426 if (op != IEEE80211_MLME_DEAUTH) {
1427 error = EINVAL;
1428 break;
1429 }
1430 #if 0
1431 /* XXX accept any address, simplifies user code */
1432 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1433 error = EINVAL;
1434 break;
1435 }
1436 #endif
1437 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1438 ni = ieee80211_ref_node(vap->iv_bss);
1439 IEEE80211_SEND_MGMT(ni,
1440 IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1441 ieee80211_free_node(ni);
1442 break;
1443 case IEEE80211_M_MBSS:
1444 IEEE80211_NODE_LOCK(nt);
1445 ni = ieee80211_find_node_locked(nt, mac);
1446 /*
1447 * Don't do the node update inside the node
1448 * table lock. This unfortunately causes LORs
1449 * with drivers and their TX paths.
1450 */
1451 IEEE80211_NODE_UNLOCK(nt);
1452 if (ni != NULL) {
1453 ieee80211_node_leave(ni);
1454 ieee80211_free_node(ni);
1455 } else {
1456 error = ENOENT;
1457 }
1458 break;
1459 default:
1460 error = EINVAL;
1461 break;
1462 }
1463 break;
1464 case IEEE80211_MLME_AUTHORIZE:
1465 case IEEE80211_MLME_UNAUTHORIZE:
1466 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1467 vap->iv_opmode != IEEE80211_M_WDS) {
1468 error = EINVAL;
1469 break;
1470 }
1471 IEEE80211_NODE_LOCK(nt);
1472 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1473 /*
1474 * Don't do the node update inside the node
1475 * table lock. This unfortunately causes LORs
1476 * with drivers and their TX paths.
1477 */
1478 IEEE80211_NODE_UNLOCK(nt);
1479 if (ni != NULL) {
1480 mlmedebug(vap, mac, op, reason);
1481 if (op == IEEE80211_MLME_AUTHORIZE)
1482 ieee80211_node_authorize(ni);
1483 else
1484 ieee80211_node_unauthorize(ni);
1485 ieee80211_free_node(ni);
1486 } else
1487 error = ENOENT;
1488 break;
1489 case IEEE80211_MLME_AUTH:
1490 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1491 error = EINVAL;
1492 break;
1493 }
1494 IEEE80211_NODE_LOCK(nt);
1495 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1496 /*
1497 * Don't do the node update inside the node
1498 * table lock. This unfortunately causes LORs
1499 * with drivers and their TX paths.
1500 */
1501 IEEE80211_NODE_UNLOCK(nt);
1502 if (ni != NULL) {
1503 mlmedebug(vap, mac, op, reason);
1504 if (reason == IEEE80211_STATUS_SUCCESS) {
1505 IEEE80211_SEND_MGMT(ni,
1506 IEEE80211_FC0_SUBTYPE_AUTH, 2);
1507 /*
1508 * For shared key auth, just continue the
1509 * exchange. Otherwise when 802.1x is not in
1510 * use mark the port authorized at this point
1511 * so traffic can flow.
1512 */
1513 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1514 ni->ni_challenge == NULL)
1515 ieee80211_node_authorize(ni);
1516 } else {
1517 vap->iv_stats.is_rx_acl++;
1518 ieee80211_send_error(ni, ni->ni_macaddr,
1519 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1520 ieee80211_node_leave(ni);
1521 }
1522 ieee80211_free_node(ni);
1523 } else
1524 error = ENOENT;
1525 break;
1526 default:
1527 error = EINVAL;
1528 break;
1529 }
1530 return error;
1531 }
1532
1533 struct scanlookup {
1534 const uint8_t *mac;
1535 int esslen;
1536 const uint8_t *essid;
1537 const struct ieee80211_scan_entry *se;
1538 };
1539
1540 /*
1541 * Match mac address and any ssid.
1542 */
1543 static void
1544 mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1545 {
1546 struct scanlookup *look = arg;
1547
1548 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1549 return;
1550 if (look->esslen != 0) {
1551 if (se->se_ssid[1] != look->esslen)
1552 return;
1553 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1554 return;
1555 }
1556 look->se = se;
1557 }
1558
1559 static int
1560 setmlme_assoc_sta(struct ieee80211vap *vap,
1561 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1562 const uint8_t ssid[IEEE80211_NWID_LEN])
1563 {
1564 struct scanlookup lookup;
1565
1566 KASSERT(vap->iv_opmode == IEEE80211_M_STA,
1567 ("expected opmode STA not %s",
1568 ieee80211_opmode_name[vap->iv_opmode]));
1569
1570 /* NB: this is racey if roaming is !manual */
1571 lookup.se = NULL;
1572 lookup.mac = mac;
1573 lookup.esslen = ssid_len;
1574 lookup.essid = ssid;
1575 ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1576 if (lookup.se == NULL)
1577 return ENOENT;
1578 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1579 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1580 return EIO; /* XXX unique but could be better */
1581 return 0;
1582 }
1583
1584 static int
1585 setmlme_assoc_adhoc(struct ieee80211vap *vap,
1586 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1587 const uint8_t ssid[IEEE80211_NWID_LEN])
1588 {
1589 struct ieee80211_scan_req *sr;
1590 int error;
1591
1592 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS ||
1593 vap->iv_opmode == IEEE80211_M_AHDEMO,
1594 ("expected opmode IBSS or AHDEMO not %s",
1595 ieee80211_opmode_name[vap->iv_opmode]));
1596
1597 if (ssid_len == 0 || ssid_len > IEEE80211_NWID_LEN)
1598 return EINVAL;
1599
1600 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
1601 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1602 if (sr == NULL)
1603 return ENOMEM;
1604
1605 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */
1606 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
1607 vap->iv_des_ssid[0].len = ssid_len;
1608 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len);
1609 vap->iv_des_nssid = 1;
1610
1611 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE;
1612 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1613 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len);
1614 sr->sr_ssid[0].len = ssid_len;
1615 sr->sr_nssid = 1;
1616
1617 error = ieee80211_scanreq(vap, sr);
1618
1619 IEEE80211_FREE(sr, M_TEMP);
1620 return error;
1621 }
1622
1623 static int
1624 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1625 {
1626 struct ieee80211req_mlme mlme;
1627 int error;
1628
1629 if (ireq->i_len != sizeof(mlme))
1630 return EINVAL;
1631 error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1632 if (error)
1633 return error;
1634 if (vap->iv_opmode == IEEE80211_M_STA &&
1635 mlme.im_op == IEEE80211_MLME_ASSOC)
1636 return setmlme_assoc_sta(vap, mlme.im_macaddr,
1637 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1638 else if ((vap->iv_opmode == IEEE80211_M_IBSS ||
1639 vap->iv_opmode == IEEE80211_M_AHDEMO) &&
1640 mlme.im_op == IEEE80211_MLME_ASSOC)
1641 return setmlme_assoc_adhoc(vap, mlme.im_macaddr,
1642 mlme.im_ssid_len, mlme.im_ssid);
1643 else
1644 return setmlme_common(vap, mlme.im_op,
1645 mlme.im_macaddr, mlme.im_reason);
1646 }
1647
1648 static int
1649 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1650 {
1651 uint8_t mac[IEEE80211_ADDR_LEN];
1652 const struct ieee80211_aclator *acl = vap->iv_acl;
1653 int error;
1654
1655 if (ireq->i_len != sizeof(mac))
1656 return EINVAL;
1657 error = copyin(ireq->i_data, mac, ireq->i_len);
1658 if (error)
1659 return error;
1660 if (acl == NULL) {
1661 acl = ieee80211_aclator_get("mac");
1662 if (acl == NULL || !acl->iac_attach(vap))
1663 return EINVAL;
1664 vap->iv_acl = acl;
1665 }
1666 if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1667 acl->iac_add(vap, mac);
1668 else
1669 acl->iac_remove(vap, mac);
1670 return 0;
1671 }
1672
1673 static int
1674 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1675 {
1676 const struct ieee80211_aclator *acl = vap->iv_acl;
1677
1678 switch (ireq->i_val) {
1679 case IEEE80211_MACCMD_POLICY_OPEN:
1680 case IEEE80211_MACCMD_POLICY_ALLOW:
1681 case IEEE80211_MACCMD_POLICY_DENY:
1682 case IEEE80211_MACCMD_POLICY_RADIUS:
1683 if (acl == NULL) {
1684 acl = ieee80211_aclator_get("mac");
1685 if (acl == NULL || !acl->iac_attach(vap))
1686 return EINVAL;
1687 vap->iv_acl = acl;
1688 }
1689 acl->iac_setpolicy(vap, ireq->i_val);
1690 break;
1691 case IEEE80211_MACCMD_FLUSH:
1692 if (acl != NULL)
1693 acl->iac_flush(vap);
1694 /* NB: silently ignore when not in use */
1695 break;
1696 case IEEE80211_MACCMD_DETACH:
1697 if (acl != NULL) {
1698 vap->iv_acl = NULL;
1699 acl->iac_detach(vap);
1700 }
1701 break;
1702 default:
1703 if (acl == NULL)
1704 return EINVAL;
1705 else
1706 return acl->iac_setioctl(vap, ireq);
1707 }
1708 return 0;
1709 }
1710
1711 static int
1712 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1713 {
1714 struct ieee80211com *ic = vap->iv_ic;
1715 uint8_t *chanlist, *list;
1716 int i, nchan, maxchan, error;
1717
1718 if (ireq->i_len > sizeof(ic->ic_chan_active))
1719 ireq->i_len = sizeof(ic->ic_chan_active);
1720 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1721 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1722 if (list == NULL)
1723 return ENOMEM;
1724 error = copyin(ireq->i_data, list, ireq->i_len);
1725 if (error) {
1726 IEEE80211_FREE(list, M_TEMP);
1727 return error;
1728 }
1729 nchan = 0;
1730 chanlist = list + ireq->i_len; /* NB: zero'd already */
1731 maxchan = ireq->i_len * NBBY;
1732 for (i = 0; i < ic->ic_nchans; i++) {
1733 const struct ieee80211_channel *c = &ic->ic_channels[i];
1734 /*
1735 * Calculate the intersection of the user list and the
1736 * available channels so users can do things like specify
1737 * 1-255 to get all available channels.
1738 */
1739 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1740 setbit(chanlist, c->ic_ieee);
1741 nchan++;
1742 }
1743 }
1744 if (nchan == 0) {
1745 IEEE80211_FREE(list, M_TEMP);
1746 return EINVAL;
1747 }
1748 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */
1749 isclr(chanlist, ic->ic_bsschan->ic_ieee))
1750 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1751 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1752 ieee80211_scan_flush(vap);
1753 IEEE80211_FREE(list, M_TEMP);
1754 return ENETRESET;
1755 }
1756
1757 static int
1758 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1759 {
1760 struct ieee80211_node *ni;
1761 uint8_t macaddr[IEEE80211_ADDR_LEN];
1762 int error;
1763
1764 /*
1765 * NB: we could copyin ieee80211req_sta_stats so apps
1766 * could make selective changes but that's overkill;
1767 * just clear all stats for now.
1768 */
1769 if (ireq->i_len < IEEE80211_ADDR_LEN)
1770 return EINVAL;
1771 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1772 if (error != 0)
1773 return error;
1774 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1775 if (ni == NULL)
1776 return ENOENT;
1777 /* XXX require ni_vap == vap? */
1778 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1779 ieee80211_free_node(ni);
1780 return 0;
1781 }
1782
1783 static int
1784 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1785 {
1786 struct ieee80211_node *ni;
1787 struct ieee80211req_sta_txpow txpow;
1788 int error;
1789
1790 if (ireq->i_len != sizeof(txpow))
1791 return EINVAL;
1792 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1793 if (error != 0)
1794 return error;
1795 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1796 if (ni == NULL)
1797 return ENOENT;
1798 ni->ni_txpower = txpow.it_txpow;
1799 ieee80211_free_node(ni);
1800 return error;
1801 }
1802
1803 static int
1804 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1805 {
1806 struct ieee80211com *ic = vap->iv_ic;
1807 struct ieee80211_wme_state *wme = &ic->ic_wme;
1808 struct wmeParams *wmep, *chanp;
1809 int isbss, ac, aggrmode;
1810
1811 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1812 return EOPNOTSUPP;
1813
1814 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1815 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1816 aggrmode = (wme->wme_flags & WME_F_AGGRMODE);
1817 if (ac >= WME_NUM_AC)
1818 ac = WME_AC_BE;
1819 if (isbss) {
1820 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1821 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1822 } else {
1823 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1824 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1825 }
1826 switch (ireq->i_type) {
1827 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1828 wmep->wmep_logcwmin = ireq->i_val;
1829 if (!isbss || !aggrmode)
1830 chanp->wmep_logcwmin = ireq->i_val;
1831 break;
1832 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1833 wmep->wmep_logcwmax = ireq->i_val;
1834 if (!isbss || !aggrmode)
1835 chanp->wmep_logcwmax = ireq->i_val;
1836 break;
1837 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1838 wmep->wmep_aifsn = ireq->i_val;
1839 if (!isbss || !aggrmode)
1840 chanp->wmep_aifsn = ireq->i_val;
1841 break;
1842 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1843 wmep->wmep_txopLimit = ireq->i_val;
1844 if (!isbss || !aggrmode)
1845 chanp->wmep_txopLimit = ireq->i_val;
1846 break;
1847 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1848 wmep->wmep_acm = ireq->i_val;
1849 if (!aggrmode)
1850 chanp->wmep_acm = ireq->i_val;
1851 break;
1852 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1853 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1854 (ireq->i_val) == 0;
1855 break;
1856 }
1857 ieee80211_wme_updateparams(vap);
1858 return 0;
1859 }
1860
1861 static int
1862 find11gchannel(struct ieee80211com *ic, int start, int freq)
1863 {
1864 const struct ieee80211_channel *c;
1865 int i;
1866
1867 for (i = start+1; i < ic->ic_nchans; i++) {
1868 c = &ic->ic_channels[i];
1869 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1870 return 1;
1871 }
1872 /* NB: should not be needed but in case things are mis-sorted */
1873 for (i = 0; i < start; i++) {
1874 c = &ic->ic_channels[i];
1875 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1876 return 1;
1877 }
1878 return 0;
1879 }
1880
1881 static struct ieee80211_channel *
1882 findchannel(struct ieee80211com *ic, int ieee, int mode)
1883 {
1884 static const u_int chanflags[IEEE80211_MODE_MAX] = {
1885 [IEEE80211_MODE_AUTO] = 0,
1886 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A,
1887 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B,
1888 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G,
1889 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS,
1890 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A,
1891 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G,
1892 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO,
1893 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF,
1894 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER,
1895 /* NB: handled specially below */
1896 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A,
1897 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G,
1898 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A,
1899 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G,
1900 };
1901 u_int modeflags;
1902 int i;
1903
1904 modeflags = chanflags[mode];
1905 for (i = 0; i < ic->ic_nchans; i++) {
1906 struct ieee80211_channel *c = &ic->ic_channels[i];
1907
1908 if (c->ic_ieee != ieee)
1909 continue;
1910 if (mode == IEEE80211_MODE_AUTO) {
1911 /* ignore turbo channels for autoselect */
1912 if (IEEE80211_IS_CHAN_TURBO(c))
1913 continue;
1914 /*
1915 * XXX special-case 11b/g channels so we
1916 * always select the g channel if both
1917 * are present.
1918 * XXX prefer HT to non-HT?
1919 */
1920 if (!IEEE80211_IS_CHAN_B(c) ||
1921 !find11gchannel(ic, i, c->ic_freq))
1922 return c;
1923 } else {
1924 /* must check VHT specifically */
1925 if ((mode == IEEE80211_MODE_VHT_5GHZ ||
1926 mode == IEEE80211_MODE_VHT_2GHZ) &&
1927 !IEEE80211_IS_CHAN_VHT(c))
1928 continue;
1929
1930 /*
1931 * Must check HT specially - only match on HT,
1932 * not HT+VHT channels
1933 */
1934 if ((mode == IEEE80211_MODE_11NA ||
1935 mode == IEEE80211_MODE_11NG) &&
1936 !IEEE80211_IS_CHAN_HT(c))
1937 continue;
1938
1939 if ((mode == IEEE80211_MODE_11NA ||
1940 mode == IEEE80211_MODE_11NG) &&
1941 IEEE80211_IS_CHAN_VHT(c))
1942 continue;
1943
1944 /* Check that the modeflags above match */
1945 if ((c->ic_flags & modeflags) == modeflags)
1946 return c;
1947 }
1948 }
1949 return NULL;
1950 }
1951
1952 /*
1953 * Check the specified against any desired mode (aka netband).
1954 * This is only used (presently) when operating in hostap mode
1955 * to enforce consistency.
1956 */
1957 static int
1958 check_mode_consistency(const struct ieee80211_channel *c, int mode)
1959 {
1960 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1961
1962 switch (mode) {
1963 case IEEE80211_MODE_11B:
1964 return (IEEE80211_IS_CHAN_B(c));
1965 case IEEE80211_MODE_11G:
1966 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1967 case IEEE80211_MODE_11A:
1968 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1969 case IEEE80211_MODE_STURBO_A:
1970 return (IEEE80211_IS_CHAN_STURBO(c));
1971 case IEEE80211_MODE_11NA:
1972 return (IEEE80211_IS_CHAN_HTA(c));
1973 case IEEE80211_MODE_11NG:
1974 return (IEEE80211_IS_CHAN_HTG(c));
1975 }
1976 return 1;
1977
1978 }
1979
1980 /*
1981 * Common code to set the current channel. If the device
1982 * is up and running this may result in an immediate channel
1983 * change or a kick of the state machine.
1984 */
1985 static int
1986 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1987 {
1988 struct ieee80211com *ic = vap->iv_ic;
1989 int error;
1990
1991 if (c != IEEE80211_CHAN_ANYC) {
1992 if (IEEE80211_IS_CHAN_RADAR(c))
1993 return EBUSY; /* XXX better code? */
1994 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1995 if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1996 return EINVAL;
1997 if (!check_mode_consistency(c, vap->iv_des_mode))
1998 return EINVAL;
1999 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
2000 if (IEEE80211_IS_CHAN_NOADHOC(c))
2001 return EINVAL;
2002 }
2003 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) &&
2004 vap->iv_bss->ni_chan == c)
2005 return 0; /* NB: nothing to do */
2006 }
2007 vap->iv_des_chan = c;
2008
2009 error = 0;
2010 if (vap->iv_opmode == IEEE80211_M_MONITOR &&
2011 vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
2012 /*
2013 * Monitor mode can switch directly.
2014 */
2015 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
2016 /* XXX need state machine for other vap's to follow */
2017 ieee80211_setcurchan(ic, vap->iv_des_chan);
2018 vap->iv_bss->ni_chan = ic->ic_curchan;
2019 } else {
2020 ic->ic_curchan = vap->iv_des_chan;
2021 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
2022 }
2023 } else {
2024 /*
2025 * Need to go through the state machine in case we
2026 * need to reassociate or the like. The state machine
2027 * will pickup the desired channel and avoid scanning.
2028 */
2029 if (IS_UP_AUTO(vap))
2030 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2031 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
2032 /*
2033 * When not up+running and a real channel has
2034 * been specified fix the current channel so
2035 * there is immediate feedback; e.g. via ifconfig.
2036 */
2037 ic->ic_curchan = vap->iv_des_chan;
2038 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
2039 }
2040 }
2041 return error;
2042 }
2043
2044 /*
2045 * Old api for setting the current channel; this is
2046 * deprecated because channel numbers are ambiguous.
2047 */
2048 static int
2049 ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
2050 const struct ieee80211req *ireq)
2051 {
2052 struct ieee80211com *ic = vap->iv_ic;
2053 struct ieee80211_channel *c;
2054
2055 /* XXX 0xffff overflows 16-bit signed */
2056 if (ireq->i_val == 0 ||
2057 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
2058 c = IEEE80211_CHAN_ANYC;
2059 } else {
2060 struct ieee80211_channel *c2;
2061
2062 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
2063 if (c == NULL) {
2064 c = findchannel(ic, ireq->i_val,
2065 IEEE80211_MODE_AUTO);
2066 if (c == NULL)
2067 return EINVAL;
2068 }
2069
2070 /*
2071 * Fine tune channel selection based on desired mode:
2072 * if 11b is requested, find the 11b version of any
2073 * 11g channel returned,
2074 * if static turbo, find the turbo version of any
2075 * 11a channel return,
2076 * if 11na is requested, find the ht version of any
2077 * 11a channel returned,
2078 * if 11ng is requested, find the ht version of any
2079 * 11g channel returned,
2080 * if 11ac is requested, find the 11ac version
2081 * of any 11a/11na channel returned,
2082 * (TBD) 11acg (2GHz VHT)
2083 * otherwise we should be ok with what we've got.
2084 */
2085 switch (vap->iv_des_mode) {
2086 case IEEE80211_MODE_11B:
2087 if (IEEE80211_IS_CHAN_ANYG(c)) {
2088 c2 = findchannel(ic, ireq->i_val,
2089 IEEE80211_MODE_11B);
2090 /* NB: should not happen, =>'s 11g w/o 11b */
2091 if (c2 != NULL)
2092 c = c2;
2093 }
2094 break;
2095 case IEEE80211_MODE_TURBO_A:
2096 if (IEEE80211_IS_CHAN_A(c)) {
2097 c2 = findchannel(ic, ireq->i_val,
2098 IEEE80211_MODE_TURBO_A);
2099 if (c2 != NULL)
2100 c = c2;
2101 }
2102 break;
2103 case IEEE80211_MODE_11NA:
2104 if (IEEE80211_IS_CHAN_A(c)) {
2105 c2 = findchannel(ic, ireq->i_val,
2106 IEEE80211_MODE_11NA);
2107 if (c2 != NULL)
2108 c = c2;
2109 }
2110 break;
2111 case IEEE80211_MODE_11NG:
2112 if (IEEE80211_IS_CHAN_ANYG(c)) {
2113 c2 = findchannel(ic, ireq->i_val,
2114 IEEE80211_MODE_11NG);
2115 if (c2 != NULL)
2116 c = c2;
2117 }
2118 break;
2119 case IEEE80211_MODE_VHT_2GHZ:
2120 printf("%s: TBD\n", __func__);
2121 break;
2122 case IEEE80211_MODE_VHT_5GHZ:
2123 if (IEEE80211_IS_CHAN_A(c)) {
2124 c2 = findchannel(ic, ireq->i_val,
2125 IEEE80211_MODE_VHT_5GHZ);
2126 if (c2 != NULL)
2127 c = c2;
2128 }
2129 break;
2130 default: /* NB: no static turboG */
2131 break;
2132 }
2133 }
2134 return setcurchan(vap, c);
2135 }
2136
2137 /*
2138 * New/current api for setting the current channel; a complete
2139 * channel description is provide so there is no ambiguity in
2140 * identifying the channel.
2141 */
2142 static int
2143 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
2144 const struct ieee80211req *ireq)
2145 {
2146 struct ieee80211com *ic = vap->iv_ic;
2147 struct ieee80211_channel chan, *c;
2148 int error;
2149
2150 if (ireq->i_len != sizeof(chan))
2151 return EINVAL;
2152 error = copyin(ireq->i_data, &chan, sizeof(chan));
2153 if (error != 0)
2154 return error;
2155
2156 /* XXX 0xffff overflows 16-bit signed */
2157 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
2158 c = IEEE80211_CHAN_ANYC;
2159 } else {
2160 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2161 if (c == NULL)
2162 return EINVAL;
2163 }
2164 return setcurchan(vap, c);
2165 }
2166
2167 static int
2168 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2169 const struct ieee80211req *ireq)
2170 {
2171 struct ieee80211_regdomain_req *reg;
2172 int nchans, error;
2173
2174 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2175 sizeof(struct ieee80211_channel));
2176 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2177 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2178 "%s: bad # chans, i_len %d nchans %d\n", __func__,
2179 ireq->i_len, nchans);
2180 return EINVAL;
2181 }
2182 reg = (struct ieee80211_regdomain_req *)
2183 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP,
2184 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2185 if (reg == NULL) {
2186 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2187 "%s: no memory, nchans %d\n", __func__, nchans);
2188 return ENOMEM;
2189 }
2190 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2191 if (error == 0) {
2192 /* NB: validate inline channel count against storage size */
2193 if (reg->chaninfo.ic_nchans != nchans) {
2194 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2195 "%s: chan cnt mismatch, %d != %d\n", __func__,
2196 reg->chaninfo.ic_nchans, nchans);
2197 error = EINVAL;
2198 } else
2199 error = ieee80211_setregdomain(vap, reg);
2200 }
2201 IEEE80211_FREE(reg, M_TEMP);
2202
2203 return (error == 0 ? ENETRESET : error);
2204 }
2205
2206 static int
2207 checkrate(const struct ieee80211_rateset *rs, int rate)
2208 {
2209 int i;
2210
2211 if (rate == IEEE80211_FIXED_RATE_NONE)
2212 return 1;
2213 for (i = 0; i < rs->rs_nrates; i++)
2214 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2215 return 1;
2216 return 0;
2217 }
2218
2219 static int
2220 checkmcs(const struct ieee80211_htrateset *rs, int mcs)
2221 {
2222 int rate_val = IEEE80211_RV(mcs);
2223 int i;
2224
2225 if (mcs == IEEE80211_FIXED_RATE_NONE)
2226 return 1;
2227 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */
2228 return 0;
2229 for (i = 0; i < rs->rs_nrates; i++)
2230 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val)
2231 return 1;
2232 return 0;
2233 }
2234
2235 static int
2236 ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2237 const struct ieee80211req *ireq)
2238 {
2239 struct ieee80211com *ic = vap->iv_ic;
2240 struct ieee80211_roamparams_req *parms;
2241 struct ieee80211_roamparam *src, *dst;
2242 const struct ieee80211_htrateset *rs_ht;
2243 const struct ieee80211_rateset *rs;
2244 int changed, error, mode, is11n, nmodes;
2245
2246 if (ireq->i_len != sizeof(vap->iv_roamparms))
2247 return EINVAL;
2248
2249 parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP,
2250 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2251 if (parms == NULL)
2252 return ENOMEM;
2253
2254 error = copyin(ireq->i_data, parms, ireq->i_len);
2255 if (error != 0)
2256 goto fail;
2257
2258 changed = 0;
2259 nmodes = IEEE80211_MODE_MAX;
2260
2261 /* validate parameters and check if anything changed */
2262 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2263 if (isclr(ic->ic_modecaps, mode))
2264 continue;
2265 src = &parms->params[mode];
2266 dst = &vap->iv_roamparms[mode];
2267 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */
2268 rs_ht = &ic->ic_sup_htrates;
2269 is11n = (mode == IEEE80211_MODE_11NA ||
2270 mode == IEEE80211_MODE_11NG);
2271 /* XXX TODO: 11ac */
2272 if (src->rate != dst->rate) {
2273 if (!checkrate(rs, src->rate) &&
2274 (!is11n || !checkmcs(rs_ht, src->rate))) {
2275 error = EINVAL;
2276 goto fail;
2277 }
2278 changed++;
2279 }
2280 if (src->rssi != dst->rssi)
2281 changed++;
2282 }
2283 if (changed) {
2284 /*
2285 * Copy new parameters in place and notify the
2286 * driver so it can push state to the device.
2287 */
2288 /* XXX locking? */
2289 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2290 if (isset(ic->ic_modecaps, mode))
2291 vap->iv_roamparms[mode] = parms->params[mode];
2292 }
2293
2294 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE)
2295 error = ERESTART;
2296 }
2297
2298 fail: IEEE80211_FREE(parms, M_TEMP);
2299 return error;
2300 }
2301
2302 static int
2303 ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2304 const struct ieee80211req *ireq)
2305 {
2306 struct ieee80211com *ic = vap->iv_ic;
2307 struct ieee80211_txparams_req parms; /* XXX stack use? */
2308 struct ieee80211_txparam *src, *dst;
2309 const struct ieee80211_htrateset *rs_ht;
2310 const struct ieee80211_rateset *rs;
2311 int error, mode, changed, is11n, nmodes;
2312
2313 /* NB: accept short requests for backwards compat */
2314 if (ireq->i_len > sizeof(parms))
2315 return EINVAL;
2316 error = copyin(ireq->i_data, &parms, ireq->i_len);
2317 if (error != 0)
2318 return error;
2319 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2320 changed = 0;
2321 /* validate parameters and check if anything changed */
2322 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2323 if (isclr(ic->ic_modecaps, mode))
2324 continue;
2325 src = &parms.params[mode];
2326 dst = &vap->iv_txparms[mode];
2327 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */
2328 rs_ht = &ic->ic_sup_htrates;
2329 is11n = (mode == IEEE80211_MODE_11NA ||
2330 mode == IEEE80211_MODE_11NG);
2331 if (src->ucastrate != dst->ucastrate) {
2332 if (!checkrate(rs, src->ucastrate) &&
2333 (!is11n || !checkmcs(rs_ht, src->ucastrate)))
2334 return EINVAL;
2335 changed++;
2336 }
2337 if (src->mcastrate != dst->mcastrate) {
2338 if (!checkrate(rs, src->mcastrate) &&
2339 (!is11n || !checkmcs(rs_ht, src->mcastrate)))
2340 return EINVAL;
2341 changed++;
2342 }
2343 if (src->mgmtrate != dst->mgmtrate) {
2344 if (!checkrate(rs, src->mgmtrate) &&
2345 (!is11n || !checkmcs(rs_ht, src->mgmtrate)))
2346 return EINVAL;
2347 changed++;
2348 }
2349 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2350 changed++;
2351 }
2352 if (changed) {
2353 /*
2354 * Copy new parameters in place and notify the
2355 * driver so it can push state to the device.
2356 */
2357 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2358 if (isset(ic->ic_modecaps, mode))
2359 vap->iv_txparms[mode] = parms.params[mode];
2360 }
2361 /* XXX could be more intelligent,
2362 e.g. don't reset if setting not being used */
2363 return ENETRESET;
2364 }
2365 return 0;
2366 }
2367
2368 /*
2369 * Application Information Element support.
2370 */
2371 static int
2372 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2373 {
2374 struct ieee80211_appie *app = *aie;
2375 struct ieee80211_appie *napp;
2376 int error;
2377
2378 if (ireq->i_len == 0) { /* delete any existing ie */
2379 if (app != NULL) {
2380 *aie = NULL; /* XXX racey */
2381 IEEE80211_FREE(app, M_80211_NODE_IE);
2382 }
2383 return 0;
2384 }
2385 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2386 return EINVAL;
2387 /*
2388 * Allocate a new appie structure and copy in the user data.
2389 * When done swap in the new structure. Note that we do not
2390 * guard against users holding a ref to the old structure;
2391 * this must be handled outside this code.
2392 *
2393 * XXX bad bad bad
2394 */
2395 napp = (struct ieee80211_appie *) IEEE80211_MALLOC(
2396 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE,
2397 IEEE80211_M_NOWAIT);
2398 if (napp == NULL)
2399 return ENOMEM;
2400 /* XXX holding ic lock */
2401 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2402 if (error) {
2403 IEEE80211_FREE(napp, M_80211_NODE_IE);
2404 return error;
2405 }
2406 napp->ie_len = ireq->i_len;
2407 *aie = napp;
2408 if (app != NULL)
2409 IEEE80211_FREE(app, M_80211_NODE_IE);
2410 return 0;
2411 }
2412
2413 static void
2414 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2415 {
2416 /* validate data is present as best we can */
2417 if (space == 0 || 2+ie[1] > space)
2418 return;
2419 if (ie[0] == IEEE80211_ELEMID_VENDOR)
2420 vap->iv_wpa_ie = ie;
2421 else if (ie[0] == IEEE80211_ELEMID_RSN)
2422 vap->iv_rsn_ie = ie;
2423 }
2424
2425 static int
2426 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2427 const struct ieee80211req *ireq, int fc0)
2428 {
2429 int error;
2430
2431 IEEE80211_LOCK_ASSERT(vap->iv_ic);
2432
2433 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2434 case IEEE80211_FC0_SUBTYPE_BEACON:
2435 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2436 vap->iv_opmode != IEEE80211_M_IBSS) {
2437 error = EINVAL;
2438 break;
2439 }
2440 error = setappie(&vap->iv_appie_beacon, ireq);
2441 if (error == 0)
2442 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2443 break;
2444 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2445 error = setappie(&vap->iv_appie_proberesp, ireq);
2446 break;
2447 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2448 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2449 error = setappie(&vap->iv_appie_assocresp, ireq);
2450 else
2451 error = EINVAL;
2452 break;
2453 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2454 error = setappie(&vap->iv_appie_probereq, ireq);
2455 break;
2456 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2457 if (vap->iv_opmode == IEEE80211_M_STA)
2458 error = setappie(&vap->iv_appie_assocreq, ireq);
2459 else
2460 error = EINVAL;
2461 break;
2462 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2463 error = setappie(&vap->iv_appie_wpa, ireq);
2464 if (error == 0) {
2465 /*
2466 * Must split single blob of data into separate
2467 * WPA and RSN ie's because they go in different
2468 * locations in the mgt frames.
2469 * XXX use IEEE80211_IOC_WPA2 so user code does split
2470 */
2471 vap->iv_wpa_ie = NULL;
2472 vap->iv_rsn_ie = NULL;
2473 if (vap->iv_appie_wpa != NULL) {
2474 struct ieee80211_appie *appie =
2475 vap->iv_appie_wpa;
2476 uint8_t *data = appie->ie_data;
2477
2478 /* XXX ie length validate is painful, cheat */
2479 setwparsnie(vap, data, appie->ie_len);
2480 setwparsnie(vap, data + 2 + data[1],
2481 appie->ie_len - (2 + data[1]));
2482 }
2483 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2484 vap->iv_opmode == IEEE80211_M_IBSS) {
2485 /*
2486 * Must rebuild beacon frame as the update
2487 * mechanism doesn't handle WPA/RSN ie's.
2488 * Could extend it but it doesn't normally
2489 * change; this is just to deal with hostapd
2490 * plumbing the ie after the interface is up.
2491 */
2492 error = ENETRESET;
2493 }
2494 }
2495 break;
2496 default:
2497 error = EINVAL;
2498 break;
2499 }
2500 return error;
2501 }
2502
2503 static int
2504 ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2505 const struct ieee80211req *ireq)
2506 {
2507 struct ieee80211com *ic = vap->iv_ic;
2508 int error;
2509 uint8_t fc0;
2510
2511 fc0 = ireq->i_val & 0xff;
2512 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2513 return EINVAL;
2514 /* NB: could check iv_opmode and reject but hardly worth the effort */
2515 IEEE80211_LOCK(ic);
2516 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2517 IEEE80211_UNLOCK(ic);
2518 return error;
2519 }
2520
2521 static int
2522 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2523 {
2524 struct ieee80211com *ic = vap->iv_ic;
2525 struct ieee80211_chanswitch_req csr;
2526 struct ieee80211_channel *c;
2527 int error;
2528
2529 if (ireq->i_len != sizeof(csr))
2530 return EINVAL;
2531 error = copyin(ireq->i_data, &csr, sizeof(csr));
2532 if (error != 0)
2533 return error;
2534 /* XXX adhoc mode not supported */
2535 if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2536 (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2537 return EOPNOTSUPP;
2538 c = ieee80211_find_channel(ic,
2539 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2540 if (c == NULL)
2541 return ENOENT;
2542 IEEE80211_LOCK(ic);
2543 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2544 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2545 else if (csr.csa_count == 0)
2546 ieee80211_csa_cancelswitch(ic);
2547 else
2548 error = EBUSY;
2549 IEEE80211_UNLOCK(ic);
2550 return error;
2551 }
2552
2553 static int
2554 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr)
2555 {
2556 #define IEEE80211_IOC_SCAN_FLAGS \
2557 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2558 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2559 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2560 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2561 IEEE80211_IOC_SCAN_CHECK)
2562 struct ieee80211com *ic = vap->iv_ic;
2563 int error, i;
2564
2565 /* convert duration */
2566 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2567 sr->sr_duration = IEEE80211_SCAN_FOREVER;
2568 else {
2569 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2570 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2571 return EINVAL;
2572 sr->sr_duration = msecs_to_ticks(sr->sr_duration);
2573 }
2574 /* convert min/max channel dwell */
2575 if (sr->sr_mindwell != 0)
2576 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell);
2577 if (sr->sr_maxdwell != 0)
2578 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell);
2579 /* NB: silently reduce ssid count to what is supported */
2580 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID)
2581 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID;
2582 for (i = 0; i < sr->sr_nssid; i++)
2583 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN)
2584 return EINVAL;
2585 /* cleanse flags just in case, could reject if invalid flags */
2586 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2587 /*
2588 * Add an implicit NOPICK if the vap is not marked UP. This
2589 * allows applications to scan without joining a bss (or picking
2590 * a channel and setting up a bss) and without forcing manual
2591 * roaming mode--you just need to mark the parent device UP.
2592 */
2593 if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2594 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2595
2596 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2597 "%s: vap %p iv_state %#x (%s) flags 0x%x%s "
2598 "duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2599 __func__, vap, vap->iv_state, ieee80211_state_name[vap->iv_state],
2600 sr->sr_flags,
2601 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2602 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid);
2603 /*
2604 * If we are in INIT state then the driver has never had a chance
2605 * to setup hardware state to do a scan; we must use the state
2606 * machine to get us up to the SCAN state but once we reach SCAN
2607 * state we then want to use the supplied params. Stash the
2608 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2609 * state machines will recognize this and use the stashed params
2610 * to issue the scan request.
2611 *
2612 * Otherwise just invoke the scan machinery directly.
2613 */
2614 IEEE80211_LOCK(ic);
2615 if (ic->ic_nrunning == 0) {
2616 IEEE80211_UNLOCK(ic);
2617 return ENXIO;
2618 }
2619
2620 if (vap->iv_state == IEEE80211_S_INIT) {
2621 /* NB: clobbers previous settings */
2622 vap->iv_scanreq_flags = sr->sr_flags;
2623 vap->iv_scanreq_duration = sr->sr_duration;
2624 vap->iv_scanreq_nssid = sr->sr_nssid;
2625 for (i = 0; i < sr->sr_nssid; i++) {
2626 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len;
2627 memcpy(vap->iv_scanreq_ssid[i].ssid,
2628 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len);
2629 }
2630 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2631 IEEE80211_UNLOCK(ic);
2632 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2633 } else {
2634 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2635 IEEE80211_UNLOCK(ic);
2636 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2637 error = ieee80211_check_scan(vap, sr->sr_flags,
2638 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2639 sr->sr_nssid,
2640 /* NB: cheat, we assume structures are compatible */
2641 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2642 } else {
2643 error = ieee80211_start_scan(vap, sr->sr_flags,
2644 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2645 sr->sr_nssid,
2646 /* NB: cheat, we assume structures are compatible */
2647 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2648 }
2649 if (error == 0)
2650 return EINPROGRESS;
2651 }
2652 return 0;
2653 #undef IEEE80211_IOC_SCAN_FLAGS
2654 }
2655
2656 static int
2657 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2658 {
2659 struct ieee80211_scan_req *sr;
2660 int error;
2661
2662 if (ireq->i_len != sizeof(*sr))
2663 return EINVAL;
2664 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
2665 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2666 if (sr == NULL)
2667 return ENOMEM;
2668 error = copyin(ireq->i_data, sr, sizeof(*sr));
2669 if (error != 0)
2670 goto bad;
2671 error = ieee80211_scanreq(vap, sr);
2672 bad:
2673 IEEE80211_FREE(sr, M_TEMP);
2674 return error;
2675 }
2676
2677 static int
2678 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2679 {
2680 struct ieee80211_node *ni;
2681 struct ieee80211req_sta_vlan vlan;
2682 int error;
2683
2684 if (ireq->i_len != sizeof(vlan))
2685 return EINVAL;
2686 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2687 if (error != 0)
2688 return error;
2689 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2690 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2691 vlan.sv_macaddr);
2692 if (ni == NULL)
2693 return ENOENT;
2694 } else
2695 ni = ieee80211_ref_node(vap->iv_bss);
2696 ni->ni_vlan = vlan.sv_vlan;
2697 ieee80211_free_node(ni);
2698 return error;
2699 }
2700
2701 static int
2702 isvap11g(const struct ieee80211vap *vap)
2703 {
2704 const struct ieee80211_node *bss = vap->iv_bss;
2705 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2706 IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2707 }
2708
2709 static int
2710 isvapht(const struct ieee80211vap *vap)
2711 {
2712 const struct ieee80211_node *bss = vap->iv_bss;
2713 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2714 IEEE80211_IS_CHAN_HT(bss->ni_chan);
2715 }
2716
2717 /*
2718 * Dummy ioctl set handler so the linker set is defined.
2719 */
2720 static int
2721 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2722 {
2723 return ENOSYS;
2724 }
2725 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2726
2727 static int
2728 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2729 {
2730 ieee80211_ioctl_setfunc * const *set;
2731 int error;
2732
2733 SET_FOREACH(set, ieee80211_ioctl_setset) {
2734 error = (*set)(vap, ireq);
2735 if (error != ENOSYS)
2736 return error;
2737 }
2738 return EINVAL;
2739 }
2740
2741 static int
2742 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2743 {
2744 struct ieee80211com *ic = vap->iv_ic;
2745 int error;
2746 const struct ieee80211_authenticator *auth;
2747 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2748 char tmpssid[IEEE80211_NWID_LEN];
2749 uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2750 struct ieee80211_key *k;
2751 u_int kid;
2752 uint32_t flags;
2753
2754 error = 0;
2755 switch (ireq->i_type) {
2756 case IEEE80211_IOC_SSID:
2757 if (ireq->i_val != 0 ||
2758 ireq->i_len > IEEE80211_NWID_LEN)
2759 return EINVAL;
2760 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2761 if (error)
2762 break;
2763 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2764 vap->iv_des_ssid[0].len = ireq->i_len;
2765 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2766 vap->iv_des_nssid = (ireq->i_len > 0);
2767 error = ENETRESET;
2768 break;
2769 case IEEE80211_IOC_WEP:
2770 switch (ireq->i_val) {
2771 case IEEE80211_WEP_OFF:
2772 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2773 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2774 break;
2775 case IEEE80211_WEP_ON:
2776 vap->iv_flags |= IEEE80211_F_PRIVACY;
2777 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2778 break;
2779 case IEEE80211_WEP_MIXED:
2780 vap->iv_flags |= IEEE80211_F_PRIVACY;
2781 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2782 break;
2783 }
2784 error = ENETRESET;
2785 break;
2786 case IEEE80211_IOC_WEPKEY:
2787 kid = (u_int) ireq->i_val;
2788 if (kid >= IEEE80211_WEP_NKID)
2789 return EINVAL;
2790 k = &vap->iv_nw_keys[kid];
2791 if (ireq->i_len == 0) {
2792 /* zero-len =>'s delete any existing key */
2793 (void) ieee80211_crypto_delkey(vap, k);
2794 break;
2795 }
2796 if (ireq->i_len > sizeof(tmpkey))
2797 return EINVAL;
2798 memset(tmpkey, 0, sizeof(tmpkey));
2799 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2800 if (error)
2801 break;
2802 ieee80211_key_update_begin(vap);
2803 k->wk_keyix = kid; /* NB: force fixed key id */
2804 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2805 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2806 k->wk_keylen = ireq->i_len;
2807 memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2808 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2809 if (!ieee80211_crypto_setkey(vap, k))
2810 error = EINVAL;
2811 } else
2812 error = EINVAL;
2813 ieee80211_key_update_end(vap);
2814 break;
2815 case IEEE80211_IOC_WEPTXKEY:
2816 kid = (u_int) ireq->i_val;
2817 if (kid >= IEEE80211_WEP_NKID &&
2818 (uint16_t) kid != IEEE80211_KEYIX_NONE)
2819 return EINVAL;
2820 /*
2821 * Firmware devices may need to be told about an explicit
2822 * key index here, versus just inferring it from the
2823 * key set / change. Since we may also need to pause
2824 * things like transmit before the key is updated,
2825 * give the driver a chance to flush things by tying
2826 * into key update begin/end.
2827 */
2828 ieee80211_key_update_begin(vap);
2829 ieee80211_crypto_set_deftxkey(vap, kid);
2830 ieee80211_key_update_end(vap);
2831 break;
2832 case IEEE80211_IOC_AUTHMODE:
2833 switch (ireq->i_val) {
2834 case IEEE80211_AUTH_WPA:
2835 case IEEE80211_AUTH_8021X: /* 802.1x */
2836 case IEEE80211_AUTH_OPEN: /* open */
2837 case IEEE80211_AUTH_SHARED: /* shared-key */
2838 case IEEE80211_AUTH_AUTO: /* auto */
2839 auth = ieee80211_authenticator_get(ireq->i_val);
2840 if (auth == NULL)
2841 return EINVAL;
2842 break;
2843 default:
2844 return EINVAL;
2845 }
2846 switch (ireq->i_val) {
2847 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
2848 vap->iv_flags |= IEEE80211_F_PRIVACY;
2849 ireq->i_val = IEEE80211_AUTH_8021X;
2850 break;
2851 case IEEE80211_AUTH_OPEN: /* open */
2852 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2853 break;
2854 case IEEE80211_AUTH_SHARED: /* shared-key */
2855 case IEEE80211_AUTH_8021X: /* 802.1x */
2856 vap->iv_flags &= ~IEEE80211_F_WPA;
2857 /* both require a key so mark the PRIVACY capability */
2858 vap->iv_flags |= IEEE80211_F_PRIVACY;
2859 break;
2860 case IEEE80211_AUTH_AUTO: /* auto */
2861 vap->iv_flags &= ~IEEE80211_F_WPA;
2862 /* XXX PRIVACY handling? */
2863 /* XXX what's the right way to do this? */
2864 break;
2865 }
2866 /* NB: authenticator attach/detach happens on state change */
2867 vap->iv_bss->ni_authmode = ireq->i_val;
2868 /* XXX mixed/mode/usage? */
2869 vap->iv_auth = auth;
2870 error = ENETRESET;
2871 break;
2872 case IEEE80211_IOC_CHANNEL:
2873 error = ieee80211_ioctl_setchannel(vap, ireq);
2874 break;
2875 case IEEE80211_IOC_POWERSAVE:
2876 switch (ireq->i_val) {
2877 case IEEE80211_POWERSAVE_OFF:
2878 if (vap->iv_flags & IEEE80211_F_PMGTON) {
2879 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2880 error = ERESTART;
2881 }
2882 break;
2883 case IEEE80211_POWERSAVE_ON:
2884 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2885 error = EOPNOTSUPP;
2886 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2887 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2888 error = ERESTART;
2889 }
2890 break;
2891 default:
2892 error = EINVAL;
2893 break;
2894 }
2895 break;
2896 case IEEE80211_IOC_POWERSAVESLEEP:
2897 if (ireq->i_val < 0)
2898 return EINVAL;
2899 ic->ic_lintval = ireq->i_val;
2900 error = ERESTART;
2901 break;
2902 case IEEE80211_IOC_RTSTHRESHOLD:
2903 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2904 ireq->i_val <= IEEE80211_RTS_MAX))
2905 return EINVAL;
2906 vap->iv_rtsthreshold = ireq->i_val;
2907 error = ERESTART;
2908 break;
2909 case IEEE80211_IOC_PROTMODE:
2910 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2911 return EINVAL;
2912 vap->iv_protmode = (enum ieee80211_protmode)ireq->i_val;
2913 /* NB: if not operating in 11g this can wait */
2914 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2915 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2916 error = ERESTART;
2917 /* driver callback for protection mode update */
2918 ieee80211_vap_update_erp_protmode(vap);
2919 break;
2920 case IEEE80211_IOC_TXPOWER:
2921 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2922 return EOPNOTSUPP;
2923 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2924 ireq->i_val <= IEEE80211_TXPOWER_MAX))
2925 return EINVAL;
2926 ic->ic_txpowlimit = ireq->i_val;
2927 error = ERESTART;
2928 break;
2929 case IEEE80211_IOC_ROAMING:
2930 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2931 ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2932 return EINVAL;
2933 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val;
2934 /* XXXX reset? */
2935 break;
2936 case IEEE80211_IOC_PRIVACY:
2937 if (ireq->i_val) {
2938 /* XXX check for key state? */
2939 vap->iv_flags |= IEEE80211_F_PRIVACY;
2940 } else
2941 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2942 /* XXX ERESTART? */
2943 break;
2944 case IEEE80211_IOC_DROPUNENCRYPTED:
2945 if (ireq->i_val)
2946 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2947 else
2948 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2949 /* XXX ERESTART? */
2950 break;
2951 case IEEE80211_IOC_WPAKEY:
2952 error = ieee80211_ioctl_setkey(vap, ireq);
2953 break;
2954 case IEEE80211_IOC_DELKEY:
2955 error = ieee80211_ioctl_delkey(vap, ireq);
2956 break;
2957 case IEEE80211_IOC_MLME:
2958 error = ieee80211_ioctl_setmlme(vap, ireq);
2959 break;
2960 case IEEE80211_IOC_COUNTERMEASURES:
2961 if (ireq->i_val) {
2962 if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2963 return EOPNOTSUPP;
2964 vap->iv_flags |= IEEE80211_F_COUNTERM;
2965 } else
2966 vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2967 /* XXX ERESTART? */
2968 break;
2969 case IEEE80211_IOC_WPA:
2970 if (ireq->i_val > 3)
2971 return EINVAL;
2972 /* XXX verify ciphers available */
2973 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2974 switch (ireq->i_val) {
2975 case 0:
2976 /* wpa_supplicant calls this to clear the WPA config */
2977 break;
2978 case 1:
2979 if (!(vap->iv_caps & IEEE80211_C_WPA1))
2980 return EOPNOTSUPP;
2981 flags |= IEEE80211_F_WPA1;
2982 break;
2983 case 2:
2984 if (!(vap->iv_caps & IEEE80211_C_WPA2))
2985 return EOPNOTSUPP;
2986 flags |= IEEE80211_F_WPA2;
2987 break;
2988 case 3:
2989 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2990 return EOPNOTSUPP;
2991 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2992 break;
2993 default: /* Can't set any -> error */
2994 return EOPNOTSUPP;
2995 }
2996 vap->iv_flags = flags;
2997 error = ERESTART; /* NB: can change beacon frame */
2998 break;
2999 case IEEE80211_IOC_WME:
3000 if (ireq->i_val) {
3001 if ((vap->iv_caps & IEEE80211_C_WME) == 0)
3002 return EOPNOTSUPP;
3003 ieee80211_syncflag(vap, IEEE80211_F_WME);
3004 } else
3005 ieee80211_syncflag(vap, -IEEE80211_F_WME);
3006 error = ERESTART; /* NB: can change beacon frame */
3007 break;
3008 case IEEE80211_IOC_HIDESSID:
3009 if (ireq->i_val)
3010 vap->iv_flags |= IEEE80211_F_HIDESSID;
3011 else
3012 vap->iv_flags &= ~IEEE80211_F_HIDESSID;
3013 error = ERESTART; /* XXX ENETRESET? */
3014 break;
3015 case IEEE80211_IOC_APBRIDGE:
3016 if (ireq->i_val == 0)
3017 vap->iv_flags |= IEEE80211_F_NOBRIDGE;
3018 else
3019 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
3020 break;
3021 case IEEE80211_IOC_BSSID:
3022 if (ireq->i_len != sizeof(tmpbssid))
3023 return EINVAL;
3024 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
3025 if (error)
3026 break;
3027 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
3028 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
3029 vap->iv_flags &= ~IEEE80211_F_DESBSSID;
3030 else
3031 vap->iv_flags |= IEEE80211_F_DESBSSID;
3032 error = ENETRESET;
3033 break;
3034 case IEEE80211_IOC_CHANLIST:
3035 error = ieee80211_ioctl_setchanlist(vap, ireq);
3036 break;
3037 #define OLD_IEEE80211_IOC_SCAN_REQ 23
3038 #ifdef OLD_IEEE80211_IOC_SCAN_REQ
3039 case OLD_IEEE80211_IOC_SCAN_REQ:
3040 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
3041 "%s: active scan request\n", __func__);
3042 /*
3043 * If we are in INIT state then the driver has never
3044 * had a chance to setup hardware state to do a scan;
3045 * use the state machine to get us up the SCAN state.
3046 * Otherwise just invoke the scan machinery to start
3047 * a one-time scan.
3048 */
3049 if (vap->iv_state == IEEE80211_S_INIT)
3050 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
3051 else
3052 (void) ieee80211_start_scan(vap,
3053 IEEE80211_SCAN_ACTIVE |
3054 IEEE80211_SCAN_NOPICK |
3055 IEEE80211_SCAN_ONCE,
3056 IEEE80211_SCAN_FOREVER, 0, 0,
3057 /* XXX use ioctl params */
3058 vap->iv_des_nssid, vap->iv_des_ssid);
3059 break;
3060 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */
3061 case IEEE80211_IOC_SCAN_REQ:
3062 error = ieee80211_ioctl_scanreq(vap, ireq);
3063 break;
3064 case IEEE80211_IOC_SCAN_CANCEL:
3065 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
3066 "%s: cancel scan\n", __func__);
3067 ieee80211_cancel_scan(vap);
3068 break;
3069 case IEEE80211_IOC_HTCONF:
3070 if (ireq->i_val & 1)
3071 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
3072 else
3073 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
3074 if (ireq->i_val & 2)
3075 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
3076 else
3077 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
3078 error = ENETRESET;
3079 break;
3080 case IEEE80211_IOC_ADDMAC:
3081 case IEEE80211_IOC_DELMAC:
3082 error = ieee80211_ioctl_macmac(vap, ireq);
3083 break;
3084 case IEEE80211_IOC_MACCMD:
3085 error = ieee80211_ioctl_setmaccmd(vap, ireq);
3086 break;
3087 case IEEE80211_IOC_STA_STATS:
3088 error = ieee80211_ioctl_setstastats(vap, ireq);
3089 break;
3090 case IEEE80211_IOC_STA_TXPOW:
3091 error = ieee80211_ioctl_setstatxpow(vap, ireq);
3092 break;
3093 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
3094 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
3095 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
3096 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
3097 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
3098 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */
3099 error = ieee80211_ioctl_setwmeparam(vap, ireq);
3100 break;
3101 case IEEE80211_IOC_DTIM_PERIOD:
3102 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3103 vap->iv_opmode != IEEE80211_M_MBSS &&
3104 vap->iv_opmode != IEEE80211_M_IBSS)
3105 return EINVAL;
3106 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
3107 ireq->i_val <= IEEE80211_DTIM_MAX) {
3108 vap->iv_dtim_period = ireq->i_val;
3109 error = ENETRESET; /* requires restart */
3110 } else
3111 error = EINVAL;
3112 break;
3113 case IEEE80211_IOC_BEACON_INTERVAL:
3114 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3115 vap->iv_opmode != IEEE80211_M_MBSS &&
3116 vap->iv_opmode != IEEE80211_M_IBSS)
3117 return EINVAL;
3118 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
3119 ireq->i_val <= IEEE80211_BINTVAL_MAX) {
3120 ic->ic_bintval = ireq->i_val;
3121 error = ENETRESET; /* requires restart */
3122 } else
3123 error = EINVAL;
3124 break;
3125 case IEEE80211_IOC_PUREG:
3126 if (ireq->i_val)
3127 vap->iv_flags |= IEEE80211_F_PUREG;
3128 else
3129 vap->iv_flags &= ~IEEE80211_F_PUREG;
3130 /* NB: reset only if we're operating on an 11g channel */
3131 if (isvap11g(vap))
3132 error = ENETRESET;
3133 break;
3134 case IEEE80211_IOC_QUIET:
3135 vap->iv_quiet= ireq->i_val;
3136 break;
3137 case IEEE80211_IOC_QUIET_COUNT:
3138 vap->iv_quiet_count=ireq->i_val;
3139 break;
3140 case IEEE80211_IOC_QUIET_PERIOD:
3141 vap->iv_quiet_period=ireq->i_val;
3142 break;
3143 case IEEE80211_IOC_QUIET_OFFSET:
3144 vap->iv_quiet_offset=ireq->i_val;
3145 break;
3146 case IEEE80211_IOC_QUIET_DUR:
3147 if(ireq->i_val < vap->iv_bss->ni_intval)
3148 vap->iv_quiet_duration = ireq->i_val;
3149 else
3150 error = EINVAL;
3151 break;
3152 case IEEE80211_IOC_BGSCAN:
3153 if (ireq->i_val) {
3154 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
3155 return EOPNOTSUPP;
3156 vap->iv_flags |= IEEE80211_F_BGSCAN;
3157 } else
3158 vap->iv_flags &= ~IEEE80211_F_BGSCAN;
3159 break;
3160 case IEEE80211_IOC_BGSCAN_IDLE:
3161 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
3162 vap->iv_bgscanidle = ireq->i_val*hz/1000;
3163 else
3164 error = EINVAL;
3165 break;
3166 case IEEE80211_IOC_BGSCAN_INTERVAL:
3167 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
3168 vap->iv_bgscanintvl = ireq->i_val*hz;
3169 else
3170 error = EINVAL;
3171 break;
3172 case IEEE80211_IOC_SCANVALID:
3173 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
3174 vap->iv_scanvalid = ireq->i_val*hz;
3175 else
3176 error = EINVAL;
3177 break;
3178 case IEEE80211_IOC_FRAGTHRESHOLD:
3179 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
3180 ireq->i_val != IEEE80211_FRAG_MAX)
3181 return EOPNOTSUPP;
3182 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
3183 ireq->i_val <= IEEE80211_FRAG_MAX))
3184 return EINVAL;
3185 vap->iv_fragthreshold = ireq->i_val;
3186 error = ERESTART;
3187 break;
3188 case IEEE80211_IOC_BURST:
3189 if (ireq->i_val) {
3190 if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
3191 return EOPNOTSUPP;
3192 ieee80211_syncflag(vap, IEEE80211_F_BURST);
3193 } else
3194 ieee80211_syncflag(vap, -IEEE80211_F_BURST);
3195 error = ERESTART;
3196 break;
3197 case IEEE80211_IOC_BMISSTHRESHOLD:
3198 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
3199 ireq->i_val <= IEEE80211_HWBMISS_MAX))
3200 return EINVAL;
3201 vap->iv_bmissthreshold = ireq->i_val;
3202 error = ERESTART;
3203 break;
3204 case IEEE80211_IOC_CURCHAN:
3205 error = ieee80211_ioctl_setcurchan(vap, ireq);
3206 break;
3207 case IEEE80211_IOC_SHORTGI:
3208 if (ireq->i_val) {
3209 #define IEEE80211_HTCAP_SHORTGI \
3210 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
3211 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
3212 return EINVAL;
3213 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
3214 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
3215 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
3216 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
3217 #undef IEEE80211_HTCAP_SHORTGI
3218 } else
3219 vap->iv_flags_ht &=
3220 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
3221 error = ERESTART;
3222 break;
3223 case IEEE80211_IOC_AMPDU:
3224 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
3225 return EINVAL;
3226 if (ireq->i_val & 1)
3227 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
3228 else
3229 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
3230 if (ireq->i_val & 2)
3231 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
3232 else
3233 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
3234 /* NB: reset only if we're operating on an 11n channel */
3235 if (isvapht(vap))
3236 error = ERESTART;
3237 break;
3238 case IEEE80211_IOC_AMPDU_LIMIT:
3239 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */
3240 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
3241 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
3242 return EINVAL;
3243 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3244 vap->iv_ampdu_rxmax = ireq->i_val;
3245 else
3246 vap->iv_ampdu_limit = ireq->i_val;
3247 error = ERESTART;
3248 break;
3249 case IEEE80211_IOC_AMPDU_DENSITY:
3250 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
3251 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
3252 return EINVAL;
3253 vap->iv_ampdu_density = ireq->i_val;
3254 error = ERESTART;
3255 break;
3256 case IEEE80211_IOC_AMSDU:
3257 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
3258 return EINVAL;
3259 if (ireq->i_val & 1)
3260 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
3261 else
3262 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
3263 if (ireq->i_val & 2)
3264 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
3265 else
3266 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
3267 /* NB: reset only if we're operating on an 11n channel */
3268 if (isvapht(vap))
3269 error = ERESTART;
3270 break;
3271 case IEEE80211_IOC_AMSDU_LIMIT:
3272 /* XXX validate */
3273 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */
3274 break;
3275 case IEEE80211_IOC_PUREN:
3276 if (ireq->i_val) {
3277 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3278 return EINVAL;
3279 vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3280 } else
3281 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3282 /* NB: reset only if we're operating on an 11n channel */
3283 if (isvapht(vap))
3284 error = ERESTART;
3285 break;
3286 case IEEE80211_IOC_DOTH:
3287 if (ireq->i_val) {
3288 #if 0
3289 /* XXX no capability */
3290 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3291 return EOPNOTSUPP;
3292 #endif
3293 vap->iv_flags |= IEEE80211_F_DOTH;
3294 } else
3295 vap->iv_flags &= ~IEEE80211_F_DOTH;
3296 error = ENETRESET;
3297 break;
3298 case IEEE80211_IOC_REGDOMAIN:
3299 error = ieee80211_ioctl_setregdomain(vap, ireq);
3300 break;
3301 case IEEE80211_IOC_ROAM:
3302 error = ieee80211_ioctl_setroam(vap, ireq);
3303 break;
3304 case IEEE80211_IOC_TXPARAMS:
3305 error = ieee80211_ioctl_settxparams(vap, ireq);
3306 break;
3307 case IEEE80211_IOC_HTCOMPAT:
3308 if (ireq->i_val) {
3309 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3310 return EOPNOTSUPP;
3311 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3312 } else
3313 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3314 /* NB: reset only if we're operating on an 11n channel */
3315 if (isvapht(vap))
3316 error = ERESTART;
3317 break;
3318 case IEEE80211_IOC_DWDS:
3319 if (ireq->i_val) {
3320 /* NB: DWDS only makes sense for WDS-capable devices */
3321 if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3322 return EOPNOTSUPP;
3323 /* NB: DWDS is used only with ap+sta vaps */
3324 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3325 vap->iv_opmode != IEEE80211_M_STA)
3326 return EINVAL;
3327 vap->iv_flags |= IEEE80211_F_DWDS;
3328 if (vap->iv_opmode == IEEE80211_M_STA)
3329 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3330 } else {
3331 vap->iv_flags &= ~IEEE80211_F_DWDS;
3332 if (vap->iv_opmode == IEEE80211_M_STA)
3333 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3334 }
3335 break;
3336 case IEEE80211_IOC_INACTIVITY:
3337 if (ireq->i_val)
3338 vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3339 else
3340 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3341 break;
3342 case IEEE80211_IOC_APPIE:
3343 error = ieee80211_ioctl_setappie(vap, ireq);
3344 break;
3345 case IEEE80211_IOC_WPS:
3346 if (ireq->i_val) {
3347 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3348 return EOPNOTSUPP;
3349 vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3350 } else
3351 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3352 break;
3353 case IEEE80211_IOC_TSN:
3354 if (ireq->i_val) {
3355 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3356 return EOPNOTSUPP;
3357 vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3358 } else
3359 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3360 break;
3361 case IEEE80211_IOC_CHANSWITCH:
3362 error = ieee80211_ioctl_chanswitch(vap, ireq);
3363 break;
3364 case IEEE80211_IOC_DFS:
3365 if (ireq->i_val) {
3366 if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3367 return EOPNOTSUPP;
3368 /* NB: DFS requires 11h support */
3369 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3370 return EINVAL;
3371 vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3372 } else
3373 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3374 break;
3375 case IEEE80211_IOC_DOTD:
3376 if (ireq->i_val)
3377 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3378 else
3379 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3380 if (vap->iv_opmode == IEEE80211_M_STA)
3381 error = ENETRESET;
3382 break;
3383 case IEEE80211_IOC_HTPROTMODE:
3384 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3385 return EINVAL;
3386 vap->iv_htprotmode = ireq->i_val ?
3387 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3388 /* NB: if not operating in 11n this can wait */
3389 if (isvapht(vap))
3390 error = ERESTART;
3391 /* Notify driver layer of HT protmode changes */
3392 ieee80211_vap_update_ht_protmode(vap);
3393 break;
3394 case IEEE80211_IOC_STA_VLAN:
3395 error = ieee80211_ioctl_setstavlan(vap, ireq);
3396 break;
3397 case IEEE80211_IOC_SMPS:
3398 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3399 ireq->i_val == 0x0008) /* value of 2 is reserved */
3400 return EINVAL;
3401 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3402 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3403 return EOPNOTSUPP;
3404 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3405 ireq->i_val;
3406 /* NB: if not operating in 11n this can wait */
3407 if (isvapht(vap))
3408 error = ERESTART;
3409 break;
3410 case IEEE80211_IOC_RIFS:
3411 if (ireq->i_val != 0) {
3412 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3413 return EOPNOTSUPP;
3414 vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3415 } else
3416 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3417 /* NB: if not operating in 11n this can wait */
3418 if (isvapht(vap))
3419 error = ERESTART;
3420 break;
3421 case IEEE80211_IOC_STBC:
3422 /* Check if we can do STBC TX/RX before changing the setting */
3423 if ((ireq->i_val & 1) &&
3424 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0))
3425 return EOPNOTSUPP;
3426 if ((ireq->i_val & 2) &&
3427 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0))
3428 return EOPNOTSUPP;
3429
3430 /* TX */
3431 if (ireq->i_val & 1)
3432 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX;
3433 else
3434 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX;
3435
3436 /* RX */
3437 if (ireq->i_val & 2)
3438 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX;
3439 else
3440 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX;
3441
3442 /* NB: reset only if we're operating on an 11n channel */
3443 if (isvapht(vap))
3444 error = ERESTART;
3445 break;
3446 case IEEE80211_IOC_LDPC:
3447 /* Check if we can do LDPC TX/RX before changing the setting */
3448 if ((ireq->i_val & 1) &&
3449 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0)
3450 return EOPNOTSUPP;
3451 if ((ireq->i_val & 2) &&
3452 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0)
3453 return EOPNOTSUPP;
3454
3455 /* TX */
3456 if (ireq->i_val & 1)
3457 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX;
3458 else
3459 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX;
3460
3461 /* RX */
3462 if (ireq->i_val & 2)
3463 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX;
3464 else
3465 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX;
3466
3467 /* NB: reset only if we're operating on an 11n channel */
3468 if (isvapht(vap))
3469 error = ERESTART;
3470 break;
3471 case IEEE80211_IOC_UAPSD:
3472 if ((vap->iv_caps & IEEE80211_C_UAPSD) == 0)
3473 return EOPNOTSUPP;
3474 if (ireq->i_val == 0)
3475 vap->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD;
3476 else if (ireq->i_val == 1)
3477 vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD;
3478 else
3479 return EINVAL;
3480 break;
3481
3482 /* VHT */
3483 case IEEE80211_IOC_VHTCONF:
3484 if (ireq->i_val & IEEE80211_FVHT_VHT)
3485 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT);
3486 else
3487 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT);
3488
3489 if (ireq->i_val & IEEE80211_FVHT_USEVHT40)
3490 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40);
3491 else
3492 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40);
3493
3494 if (ireq->i_val & IEEE80211_FVHT_USEVHT80)
3495 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80);
3496 else
3497 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80);
3498
3499 if (ireq->i_val & IEEE80211_FVHT_USEVHT160)
3500 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160);
3501 else
3502 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160);
3503
3504 if (ireq->i_val & IEEE80211_FVHT_USEVHT80P80)
3505 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80);
3506 else
3507 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80);
3508
3509 /* Check if we can do STBC TX/RX before changing the setting. */
3510 if ((ireq->i_val & IEEE80211_FVHT_STBC_TX) &&
3511 ((vap->iv_vht_cap.vht_cap_info & IEEE80211_VHTCAP_TXSTBC) == 0))
3512 return EOPNOTSUPP;
3513 if ((ireq->i_val & IEEE80211_FVHT_STBC_RX) &&
3514 ((vap->iv_vht_cap.vht_cap_info & IEEE80211_VHTCAP_RXSTBC_MASK) == 0))
3515 return EOPNOTSUPP;
3516
3517 /* TX */
3518 if (ireq->i_val & IEEE80211_FVHT_STBC_TX)
3519 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_STBC_TX);
3520 else
3521 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_STBC_TX);
3522
3523 /* RX */
3524 if (ireq->i_val & IEEE80211_FVHT_STBC_RX)
3525 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_STBC_RX);
3526 else
3527 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_STBC_RX);
3528
3529 error = ENETRESET;
3530 break;
3531
3532 default:
3533 error = ieee80211_ioctl_setdefault(vap, ireq);
3534 break;
3535 }
3536 /*
3537 * The convention is that ENETRESET means an operation
3538 * requires a complete re-initialization of the device (e.g.
3539 * changing something that affects the association state).
3540 * ERESTART means the request may be handled with only a
3541 * reload of the hardware state. We hand ERESTART requests
3542 * to the iv_reset callback so the driver can decide. If
3543 * a device does not fillin iv_reset then it defaults to one
3544 * that returns ENETRESET. Otherwise a driver may return
3545 * ENETRESET (in which case a full reset will be done) or
3546 * 0 to mean there's no need to do anything (e.g. when the
3547 * change has no effect on the driver/device).
3548 */
3549 if (error == ERESTART)
3550 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3551 vap->iv_reset(vap, ireq->i_type) : 0;
3552 if (error == ENETRESET) {
3553 /* XXX need to re-think AUTO handling */
3554 if (IS_UP_AUTO(vap))
3555 ieee80211_init(vap);
3556 error = 0;
3557 }
3558 return error;
3559 }
3560
3561 int
3562 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3563 {
3564 struct ieee80211vap *vap = ifp->if_softc;
3565 struct ieee80211com *ic = vap->iv_ic;
3566 int error = 0, wait = 0, ic_used;
3567 struct ifreq *ifr;
3568 struct ifaddr *ifa; /* XXX */
3569
3570 ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS);
3571 if (ic_used && (error = ieee80211_com_vincref(vap)) != 0)
3572 return (error);
3573
3574 switch (cmd) {
3575 case SIOCSIFFLAGS:
3576 IEEE80211_LOCK(ic);
3577 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) {
3578 /*
3579 * Enable promiscuous mode when:
3580 * 1. Interface is not a member of bridge, or
3581 * 2. Requested by user, or
3582 * 3. In monitor (or adhoc-demo) mode.
3583 */
3584 if (ifp->if_bridge == NULL ||
3585 (ifp->if_flags & IFF_PPROMISC) != 0 ||
3586 vap->iv_opmode == IEEE80211_M_MONITOR ||
3587 (vap->iv_opmode == IEEE80211_M_AHDEMO &&
3588 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) {
3589 ieee80211_promisc(vap,
3590 ifp->if_flags & IFF_PROMISC);
3591 vap->iv_ifflags ^= IFF_PROMISC;
3592 }
3593 }
3594 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) {
3595 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI);
3596 vap->iv_ifflags ^= IFF_ALLMULTI;
3597 }
3598 if (ifp->if_flags & IFF_UP) {
3599 /*
3600 * Bring ourself up unless we're already operational.
3601 * If we're the first vap and the parent is not up
3602 * then it will automatically be brought up as a
3603 * side-effect of bringing ourself up.
3604 */
3605 if (vap->iv_state == IEEE80211_S_INIT) {
3606 if (ic->ic_nrunning == 0)
3607 wait = 1;
3608 ieee80211_start_locked(vap);
3609 }
3610 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3611 /*
3612 * Stop ourself. If we are the last vap to be
3613 * marked down the parent will also be taken down.
3614 */
3615 if (ic->ic_nrunning == 1)
3616 wait = 1;
3617 ieee80211_stop_locked(vap);
3618 }
3619 IEEE80211_UNLOCK(ic);
3620 /* Wait for parent ioctl handler if it was queued */
3621 if (wait) {
3622 struct epoch_tracker et;
3623
3624 ieee80211_waitfor_parent(ic);
3625
3626 /*
3627 * Check if the MAC address was changed
3628 * via SIOCSIFLLADDR ioctl.
3629 *
3630 * NB: device may be detached during initialization;
3631 * use if_ioctl for existence check.
3632 */
3633 NET_EPOCH_ENTER(et);
3634 if (ifp->if_ioctl == ieee80211_ioctl &&
3635 (ifp->if_flags & IFF_UP) == 0 &&
3636 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp)))
3637 IEEE80211_ADDR_COPY(vap->iv_myaddr,
3638 IF_LLADDR(ifp));
3639 NET_EPOCH_EXIT(et);
3640 }
3641 break;
3642 case SIOCADDMULTI:
3643 case SIOCDELMULTI:
3644 ieee80211_runtask(ic, &ic->ic_mcast_task);
3645 break;
3646 case SIOCSIFMEDIA:
3647 case SIOCGIFMEDIA:
3648 ifr = (struct ifreq *)data;
3649 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3650 break;
3651 case SIOCG80211:
3652 error = ieee80211_ioctl_get80211(vap, cmd,
3653 (struct ieee80211req *) data);
3654 break;
3655 case SIOCS80211:
3656 error = ieee80211_priv_check_vap_manage(cmd, vap, ifp);
3657 if (error == 0)
3658 error = ieee80211_ioctl_set80211(vap, cmd,
3659 (struct ieee80211req *) data);
3660 break;
3661 case SIOCG80211STATS:
3662 ifr = (struct ifreq *)data;
3663 error = copyout(&vap->iv_stats, ifr_data_get_ptr(ifr),
3664 sizeof(vap->iv_stats));
3665 break;
3666 case SIOCSIFMTU:
3667 ifr = (struct ifreq *)data;
3668 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3669 ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3670 error = EINVAL;
3671 else
3672 ifp->if_mtu = ifr->ifr_mtu;
3673 break;
3674 case SIOCSIFADDR:
3675 /*
3676 * XXX Handle this directly so we can suppress if_init calls.
3677 * XXX This should be done in ether_ioctl but for the moment
3678 * XXX there are too many other parts of the system that
3679 * XXX set IFF_UP and so suppress if_init being called when
3680 * XXX it should be.
3681 */
3682 ifa = (struct ifaddr *) data;
3683 switch (ifa->ifa_addr->sa_family) {
3684 #ifdef INET
3685 case AF_INET:
3686 if ((ifp->if_flags & IFF_UP) == 0) {
3687 ifp->if_flags |= IFF_UP;
3688 ifp->if_init(ifp->if_softc);
3689 }
3690 arp_ifinit(ifp, ifa);
3691 break;
3692 #endif
3693 default:
3694 if ((ifp->if_flags & IFF_UP) == 0) {
3695 ifp->if_flags |= IFF_UP;
3696 ifp->if_init(ifp->if_softc);
3697 }
3698 break;
3699 }
3700 break;
3701 case SIOCSIFLLADDR:
3702 error = ieee80211_priv_check_vap_setmac(cmd, vap, ifp);
3703 if (error == 0)
3704 break;
3705 /* Fallthrough */
3706 default:
3707 /*
3708 * Pass unknown ioctls first to the driver, and if it
3709 * returns ENOTTY, then to the generic Ethernet handler.
3710 */
3711 if (ic->ic_ioctl != NULL &&
3712 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY)
3713 break;
3714 error = ether_ioctl(ifp, cmd, data);
3715 break;
3716 }
3717
3718 if (ic_used)
3719 ieee80211_com_vdecref(vap);
3720
3721 return (error);
3722 }
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