1 /*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 /*
31 * IEEE 802.11 ioctl support (FreeBSD-specific)
32 */
33
34 #include "opt_inet.h"
35 #include "opt_wlan.h"
36
37 #include <sys/endian.h>
38 #include <sys/param.h>
39 #include <sys/kernel.h>
40 #include <sys/malloc.h>
41 #include <sys/caps.h>
42 #include <sys/socket.h>
43 #include <sys/sockio.h>
44 #include <sys/systm.h>
45
46 #include <net/if.h>
47 #include <net/if_var.h>
48 #include <net/if_dl.h>
49 #include <net/if_media.h>
50 #include <net/ethernet.h>
51
52 #ifdef INET
53 #include <netinet/in.h>
54 #include <netinet/if_ether.h>
55 #endif
56
57 #include <netproto/802_11/ieee80211_var.h>
58 #include <netproto/802_11/ieee80211_ioctl.h>
59 #include <netproto/802_11/ieee80211_regdomain.h>
60 #include <netproto/802_11/ieee80211_input.h>
61
62 #define IS_UP_AUTO(_vap) \
63 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \
64 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
65
66 static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
67 static struct ieee80211_channel *findchannel(struct ieee80211com *,
68 int ieee, int mode);
69 static int ieee80211_scanreq(struct ieee80211vap *,
70 struct ieee80211_scan_req *);
71
72 static int
ieee80211_ioctl_getkey(struct ieee80211vap * vap,struct ieee80211req * ireq)73 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
74 {
75 struct ieee80211com *ic = vap->iv_ic;
76 struct ieee80211_node *ni;
77 struct ieee80211req_key ik;
78 struct ieee80211_key *wk;
79 const struct ieee80211_cipher *cip;
80 u_int kid;
81 int error;
82
83 if (ireq->i_len != sizeof(ik))
84 return EINVAL;
85 error = copyin(ireq->i_data, &ik, sizeof(ik));
86 if (error)
87 return error;
88 kid = ik.ik_keyix;
89 if (kid == IEEE80211_KEYIX_NONE) {
90 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
91 if (ni == NULL)
92 return ENOENT;
93 wk = &ni->ni_ucastkey;
94 } else {
95 if (kid >= IEEE80211_WEP_NKID)
96 return EINVAL;
97 wk = &vap->iv_nw_keys[kid];
98 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
99 ni = NULL;
100 }
101 cip = wk->wk_cipher;
102 ik.ik_type = cip->ic_cipher;
103 ik.ik_keylen = wk->wk_keylen;
104 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
105 if (wk->wk_keyix == vap->iv_def_txkey)
106 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
107 if (caps_priv_check_self(SYSCAP_NONET_WIFI) == 0) {
108 /* NB: only root can read key data */
109 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
110 ik.ik_keytsc = wk->wk_keytsc;
111 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
112 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
113 memcpy(ik.ik_keydata+wk->wk_keylen,
114 wk->wk_key + IEEE80211_KEYBUF_SIZE,
115 IEEE80211_MICBUF_SIZE);
116 ik.ik_keylen += IEEE80211_MICBUF_SIZE;
117 }
118 } else {
119 ik.ik_keyrsc = 0;
120 ik.ik_keytsc = 0;
121 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
122 }
123 if (ni != NULL)
124 ieee80211_free_node(ni);
125 return copyout(&ik, ireq->i_data, sizeof(ik));
126 }
127
128 static int
ieee80211_ioctl_getchanlist(struct ieee80211vap * vap,struct ieee80211req * ireq)129 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
130 {
131 struct ieee80211com *ic = vap->iv_ic;
132
133 if (sizeof(ic->ic_chan_active) < ireq->i_len)
134 ireq->i_len = sizeof(ic->ic_chan_active);
135 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
136 }
137
138 static int
ieee80211_ioctl_getchaninfo(struct ieee80211vap * vap,struct ieee80211req * ireq)139 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
140 {
141 struct ieee80211com *ic = vap->iv_ic;
142 uint32_t space;
143
144 space = __offsetof(struct ieee80211req_chaninfo,
145 ic_chans[ic->ic_nchans]);
146 if (space > ireq->i_len)
147 space = ireq->i_len;
148 /* XXX assumes compatible layout */
149 return copyout(&ic->ic_nchans, ireq->i_data, space);
150 }
151
152 static int
ieee80211_ioctl_getwpaie(struct ieee80211vap * vap,struct ieee80211req * ireq,int req)153 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
154 struct ieee80211req *ireq, int req)
155 {
156 struct ieee80211_node *ni;
157 struct ieee80211req_wpaie2 *wpaie;
158 int error;
159
160 if (ireq->i_len < IEEE80211_ADDR_LEN)
161 return EINVAL;
162 #if defined(__DragonFly__)
163 wpaie = kmalloc(sizeof(*wpaie), M_TEMP, M_INTWAIT | M_ZERO);
164 #else
165 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP,
166 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
167 #endif
168 if (wpaie == NULL)
169 return ENOMEM;
170 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN);
171 if (error != 0)
172 goto bad;
173 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr);
174 if (ni == NULL) {
175 error = ENOENT;
176 goto bad;
177 }
178 if (ni->ni_ies.wpa_ie != NULL) {
179 int ielen = ni->ni_ies.wpa_ie[1] + 2;
180 if (ielen > sizeof(wpaie->wpa_ie))
181 ielen = sizeof(wpaie->wpa_ie);
182 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen);
183 }
184 if (req == IEEE80211_IOC_WPAIE2) {
185 if (ni->ni_ies.rsn_ie != NULL) {
186 int ielen = ni->ni_ies.rsn_ie[1] + 2;
187 if (ielen > sizeof(wpaie->rsn_ie))
188 ielen = sizeof(wpaie->rsn_ie);
189 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen);
190 }
191 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
192 ireq->i_len = sizeof(struct ieee80211req_wpaie2);
193 } else {
194 /* compatibility op, may overwrite wpa ie */
195 /* XXX check ic_flags? */
196 if (ni->ni_ies.rsn_ie != NULL) {
197 int ielen = ni->ni_ies.rsn_ie[1] + 2;
198 if (ielen > sizeof(wpaie->wpa_ie))
199 ielen = sizeof(wpaie->wpa_ie);
200 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen);
201 }
202 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
203 ireq->i_len = sizeof(struct ieee80211req_wpaie);
204 }
205 ieee80211_free_node(ni);
206 error = copyout(wpaie, ireq->i_data, ireq->i_len);
207 bad:
208 IEEE80211_FREE(wpaie, M_TEMP);
209 return error;
210 }
211
212 static int
ieee80211_ioctl_getstastats(struct ieee80211vap * vap,struct ieee80211req * ireq)213 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
214 {
215 struct ieee80211_node *ni;
216 uint8_t macaddr[IEEE80211_ADDR_LEN];
217 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats);
218 int error;
219
220 if (ireq->i_len < off)
221 return EINVAL;
222 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
223 if (error != 0)
224 return error;
225 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
226 if (ni == NULL)
227 return ENOENT;
228 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
229 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
230 /* NB: copy out only the statistics */
231 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
232 ireq->i_len - off);
233 ieee80211_free_node(ni);
234 return error;
235 }
236
237 struct scanreq {
238 struct ieee80211req_scan_result *sr;
239 size_t space;
240 };
241
242 static size_t
scan_space(const struct ieee80211_scan_entry * se,int * ielen)243 scan_space(const struct ieee80211_scan_entry *se, int *ielen)
244 {
245 size_t len;
246
247 *ielen = se->se_ies.len;
248 /*
249 * NB: ie's can be no more than 255 bytes and the max 802.11
250 * packet is <3Kbytes so we are sure this doesn't overflow
251 * 16-bits; if this is a concern we can drop the ie's.
252 */
253 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] +
254 se->se_meshid[1] + *ielen;
255 return roundup(len, sizeof(uint32_t));
256 }
257
258 static void
get_scan_space(void * arg,const struct ieee80211_scan_entry * se)259 get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
260 {
261 struct scanreq *req = arg;
262 int ielen;
263
264 req->space += scan_space(se, &ielen);
265 }
266
267 static void
get_scan_result(void * arg,const struct ieee80211_scan_entry * se)268 get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
269 {
270 struct scanreq *req = arg;
271 struct ieee80211req_scan_result *sr;
272 int ielen, len, nr, nxr;
273 uint8_t *cp;
274
275 len = scan_space(se, &ielen);
276 if (len > req->space)
277 return;
278
279 sr = req->sr;
280 KASSERT(len <= 65535 && ielen <= 65535,
281 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
282 sr->isr_len = len;
283 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
284 sr->isr_ie_len = ielen;
285 sr->isr_freq = se->se_chan->ic_freq;
286 sr->isr_flags = se->se_chan->ic_flags;
287 sr->isr_rssi = se->se_rssi;
288 sr->isr_noise = se->se_noise;
289 sr->isr_intval = se->se_intval;
290 sr->isr_capinfo = se->se_capinfo;
291 sr->isr_erp = se->se_erp;
292 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
293 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
294 memcpy(sr->isr_rates, se->se_rates+2, nr);
295 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
296 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
297 sr->isr_nrates = nr + nxr;
298
299 /* copy SSID */
300 sr->isr_ssid_len = se->se_ssid[1];
301 cp = ((uint8_t *)sr) + sr->isr_ie_off;
302 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
303
304 /* copy mesh id */
305 cp += sr->isr_ssid_len;
306 sr->isr_meshid_len = se->se_meshid[1];
307 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len);
308 cp += sr->isr_meshid_len;
309
310 if (ielen)
311 memcpy(cp, se->se_ies.data, ielen);
312
313 req->space -= len;
314 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
315 }
316
317 static int
ieee80211_ioctl_getscanresults(struct ieee80211vap * vap,struct ieee80211req * ireq)318 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
319 struct ieee80211req *ireq)
320 {
321 struct scanreq req;
322 int error;
323
324 if (ireq->i_len < sizeof(struct scanreq))
325 return EFAULT;
326
327 error = 0;
328 req.space = 0;
329 ieee80211_scan_iterate(vap, get_scan_space, &req);
330 if (req.space > ireq->i_len)
331 req.space = ireq->i_len;
332 if (req.space > 0) {
333 uint32_t space;
334 void *p;
335
336 space = req.space;
337 /* XXX M_WAITOK after driver lock released */
338 #if defined(__DragonFly__)
339 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO);
340 #else
341 p = IEEE80211_MALLOC(space, M_TEMP,
342 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
343 #endif
344 if (p == NULL)
345 return ENOMEM;
346 req.sr = p;
347 ieee80211_scan_iterate(vap, get_scan_result, &req);
348 ireq->i_len = space - req.space;
349 error = copyout(p, ireq->i_data, ireq->i_len);
350 IEEE80211_FREE(p, M_TEMP);
351 } else
352 ireq->i_len = 0;
353
354 return error;
355 }
356
357 struct stainforeq {
358 struct ieee80211vap *vap;
359 struct ieee80211req_sta_info *si;
360 size_t space;
361 };
362
363 static size_t
sta_space(const struct ieee80211_node * ni,size_t * ielen)364 sta_space(const struct ieee80211_node *ni, size_t *ielen)
365 {
366 *ielen = ni->ni_ies.len;
367 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
368 sizeof(uint32_t));
369 }
370
371 static void
get_sta_space(void * arg,struct ieee80211_node * ni)372 get_sta_space(void *arg, struct ieee80211_node *ni)
373 {
374 struct stainforeq *req = arg;
375 size_t ielen;
376
377 if (req->vap != ni->ni_vap)
378 return;
379 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
380 ni->ni_associd == 0) /* only associated stations */
381 return;
382 req->space += sta_space(ni, &ielen);
383 }
384
385 static void
get_sta_info(void * arg,struct ieee80211_node * ni)386 get_sta_info(void *arg, struct ieee80211_node *ni)
387 {
388 struct stainforeq *req = arg;
389 struct ieee80211vap *vap = ni->ni_vap;
390 struct ieee80211req_sta_info *si;
391 size_t ielen, len;
392 uint8_t *cp;
393
394 if (req->vap != ni->ni_vap)
395 return;
396 if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
397 ni->ni_associd == 0) /* only associated stations */
398 return;
399 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
400 return;
401 len = sta_space(ni, &ielen);
402 if (len > req->space)
403 return;
404 si = req->si;
405 si->isi_len = len;
406 si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
407 si->isi_ie_len = ielen;
408 si->isi_freq = ni->ni_chan->ic_freq;
409 si->isi_flags = ni->ni_chan->ic_flags;
410 si->isi_state = ni->ni_flags;
411 si->isi_authmode = ni->ni_authmode;
412 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
413 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
414 si->isi_capinfo = ni->ni_capinfo;
415 si->isi_erp = ni->ni_erp;
416 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
417 si->isi_nrates = ni->ni_rates.rs_nrates;
418 if (si->isi_nrates > 15)
419 si->isi_nrates = 15;
420 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
421 si->isi_txrate = ni->ni_txrate;
422 if (si->isi_txrate & IEEE80211_RATE_MCS) {
423 const struct ieee80211_mcs_rates *mcs =
424 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
425 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
426 if (ni->ni_flags & IEEE80211_NODE_SGI40)
427 si->isi_txmbps = mcs->ht40_rate_800ns;
428 else
429 si->isi_txmbps = mcs->ht40_rate_400ns;
430 } else {
431 if (ni->ni_flags & IEEE80211_NODE_SGI20)
432 si->isi_txmbps = mcs->ht20_rate_800ns;
433 else
434 si->isi_txmbps = mcs->ht20_rate_400ns;
435 }
436 } else
437 si->isi_txmbps = si->isi_txrate;
438 si->isi_associd = ni->ni_associd;
439 si->isi_txpower = ni->ni_txpower;
440 si->isi_vlan = ni->ni_vlan;
441 if (ni->ni_flags & IEEE80211_NODE_QOS) {
442 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
443 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
444 } else {
445 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
446 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
447 }
448 /* NB: leave all cases in case we relax ni_associd == 0 check */
449 if (ieee80211_node_is_authorized(ni))
450 si->isi_inact = vap->iv_inact_run;
451 else if (ni->ni_associd != 0 ||
452 (vap->iv_opmode == IEEE80211_M_WDS &&
453 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
454 si->isi_inact = vap->iv_inact_auth;
455 else
456 si->isi_inact = vap->iv_inact_init;
457 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
458 si->isi_localid = ni->ni_mllid;
459 si->isi_peerid = ni->ni_mlpid;
460 si->isi_peerstate = ni->ni_mlstate;
461
462 if (ielen) {
463 cp = ((uint8_t *)si) + si->isi_ie_off;
464 memcpy(cp, ni->ni_ies.data, ielen);
465 }
466
467 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
468 req->space -= len;
469 }
470
471 static int
getstainfo_common(struct ieee80211vap * vap,struct ieee80211req * ireq,struct ieee80211_node * ni,size_t off)472 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
473 struct ieee80211_node *ni, size_t off)
474 {
475 struct ieee80211com *ic = vap->iv_ic;
476 struct stainforeq req;
477 size_t space;
478 void *p;
479 int error;
480
481 error = 0;
482 req.space = 0;
483 req.vap = vap;
484 if (ni == NULL)
485 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
486 else
487 get_sta_space(&req, ni);
488 if (req.space > ireq->i_len)
489 req.space = ireq->i_len;
490 if (req.space > 0) {
491 space = req.space;
492 /* XXX M_WAITOK after driver lock released */
493 #if defined(__DragonFly__)
494 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO);
495 #else
496 p = IEEE80211_MALLOC(space, M_TEMP,
497 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
498 #endif
499 if (p == NULL) {
500 error = ENOMEM;
501 goto bad;
502 }
503 req.si = p;
504 if (ni == NULL)
505 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
506 else
507 get_sta_info(&req, ni);
508 ireq->i_len = space - req.space;
509 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
510 IEEE80211_FREE(p, M_TEMP);
511 } else
512 ireq->i_len = 0;
513 bad:
514 if (ni != NULL)
515 ieee80211_free_node(ni);
516 return error;
517 }
518
519 static int
ieee80211_ioctl_getstainfo(struct ieee80211vap * vap,struct ieee80211req * ireq)520 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
521 {
522 uint8_t macaddr[IEEE80211_ADDR_LEN];
523 const size_t off = __offsetof(struct ieee80211req_sta_req, info);
524 struct ieee80211_node *ni;
525 int error;
526
527 if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
528 return EFAULT;
529 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
530 if (error != 0)
531 return error;
532 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
533 ni = NULL;
534 } else {
535 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
536 if (ni == NULL)
537 return ENOENT;
538 }
539 return getstainfo_common(vap, ireq, ni, off);
540 }
541
542 static int
ieee80211_ioctl_getstatxpow(struct ieee80211vap * vap,struct ieee80211req * ireq)543 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
544 {
545 struct ieee80211_node *ni;
546 struct ieee80211req_sta_txpow txpow;
547 int error;
548
549 if (ireq->i_len != sizeof(txpow))
550 return EINVAL;
551 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
552 if (error != 0)
553 return error;
554 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
555 if (ni == NULL)
556 return ENOENT;
557 txpow.it_txpow = ni->ni_txpower;
558 error = copyout(&txpow, ireq->i_data, sizeof(txpow));
559 ieee80211_free_node(ni);
560 return error;
561 }
562
563 static int
ieee80211_ioctl_getwmeparam(struct ieee80211vap * vap,struct ieee80211req * ireq)564 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
565 {
566 struct ieee80211com *ic = vap->iv_ic;
567 struct ieee80211_wme_state *wme = &ic->ic_wme;
568 struct wmeParams *wmep;
569 int ac;
570
571 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
572 return EINVAL;
573
574 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
575 if (ac >= WME_NUM_AC)
576 ac = WME_AC_BE;
577 if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
578 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
579 else
580 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
581 switch (ireq->i_type) {
582 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
583 ireq->i_val = wmep->wmep_logcwmin;
584 break;
585 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
586 ireq->i_val = wmep->wmep_logcwmax;
587 break;
588 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
589 ireq->i_val = wmep->wmep_aifsn;
590 break;
591 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
592 ireq->i_val = wmep->wmep_txopLimit;
593 break;
594 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
595 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
596 ireq->i_val = wmep->wmep_acm;
597 break;
598 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
599 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
600 ireq->i_val = !wmep->wmep_noackPolicy;
601 break;
602 }
603 return 0;
604 }
605
606 static int
ieee80211_ioctl_getmaccmd(struct ieee80211vap * vap,struct ieee80211req * ireq)607 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
608 {
609 const struct ieee80211_aclator *acl = vap->iv_acl;
610
611 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
612 }
613
614 static int
ieee80211_ioctl_getcurchan(struct ieee80211vap * vap,struct ieee80211req * ireq)615 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
616 {
617 struct ieee80211com *ic = vap->iv_ic;
618 struct ieee80211_channel *c;
619
620 if (ireq->i_len != sizeof(struct ieee80211_channel))
621 return EINVAL;
622 /*
623 * vap's may have different operating channels when HT is
624 * in use. When in RUN state report the vap-specific channel.
625 * Otherwise return curchan.
626 */
627 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
628 c = vap->iv_bss->ni_chan;
629 else
630 c = ic->ic_curchan;
631 return copyout(c, ireq->i_data, sizeof(*c));
632 }
633
634 static int
getappie(const struct ieee80211_appie * aie,struct ieee80211req * ireq)635 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
636 {
637 if (aie == NULL)
638 return EINVAL;
639 /* NB: truncate, caller can check length */
640 if (ireq->i_len > aie->ie_len)
641 ireq->i_len = aie->ie_len;
642 return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
643 }
644
645 static int
ieee80211_ioctl_getappie(struct ieee80211vap * vap,struct ieee80211req * ireq)646 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
647 {
648 uint8_t fc0;
649
650 fc0 = ireq->i_val & 0xff;
651 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
652 return EINVAL;
653 /* NB: could check iv_opmode and reject but hardly worth the effort */
654 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
655 case IEEE80211_FC0_SUBTYPE_BEACON:
656 return getappie(vap->iv_appie_beacon, ireq);
657 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
658 return getappie(vap->iv_appie_proberesp, ireq);
659 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
660 return getappie(vap->iv_appie_assocresp, ireq);
661 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
662 return getappie(vap->iv_appie_probereq, ireq);
663 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
664 return getappie(vap->iv_appie_assocreq, ireq);
665 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
666 return getappie(vap->iv_appie_wpa, ireq);
667 }
668 return EINVAL;
669 }
670
671 static int
ieee80211_ioctl_getregdomain(struct ieee80211vap * vap,const struct ieee80211req * ireq)672 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
673 const struct ieee80211req *ireq)
674 {
675 struct ieee80211com *ic = vap->iv_ic;
676
677 if (ireq->i_len != sizeof(ic->ic_regdomain))
678 return EINVAL;
679 return copyout(&ic->ic_regdomain, ireq->i_data,
680 sizeof(ic->ic_regdomain));
681 }
682
683 static int
ieee80211_ioctl_getroam(struct ieee80211vap * vap,const struct ieee80211req * ireq)684 ieee80211_ioctl_getroam(struct ieee80211vap *vap,
685 const struct ieee80211req *ireq)
686 {
687 size_t len = ireq->i_len;
688 /* NB: accept short requests for backwards compat */
689 if (len > sizeof(vap->iv_roamparms))
690 len = sizeof(vap->iv_roamparms);
691 return copyout(vap->iv_roamparms, ireq->i_data, len);
692 }
693
694 static int
ieee80211_ioctl_gettxparams(struct ieee80211vap * vap,const struct ieee80211req * ireq)695 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
696 const struct ieee80211req *ireq)
697 {
698 size_t len = ireq->i_len;
699 /* NB: accept short requests for backwards compat */
700 if (len > sizeof(vap->iv_txparms))
701 len = sizeof(vap->iv_txparms);
702 return copyout(vap->iv_txparms, ireq->i_data, len);
703 }
704
705 static int
ieee80211_ioctl_getdevcaps(struct ieee80211com * ic,const struct ieee80211req * ireq)706 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
707 const struct ieee80211req *ireq)
708 {
709 struct ieee80211_devcaps_req *dc;
710 struct ieee80211req_chaninfo *ci;
711 int maxchans, error;
712
713 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
714 sizeof(struct ieee80211_channel));
715 /* NB: require 1 so we know ic_nchans is accessible */
716 if (maxchans < 1)
717 return EINVAL;
718 /* constrain max request size, 2K channels is ~24Kbytes */
719 if (maxchans > 2048)
720 maxchans = 2048;
721 #if defined(__DragonFly__)
722 dc = (struct ieee80211_devcaps_req *)
723 kmalloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_INTWAIT | M_ZERO);
724 #else
725 dc = (struct ieee80211_devcaps_req *)
726 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP,
727 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
728 #endif
729 if (dc == NULL)
730 return ENOMEM;
731 dc->dc_drivercaps = ic->ic_caps;
732 dc->dc_cryptocaps = ic->ic_cryptocaps;
733 dc->dc_htcaps = ic->ic_htcaps;
734 ci = &dc->dc_chaninfo;
735 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans);
736 KASSERT(ci->ic_nchans <= maxchans,
737 ("nchans %d maxchans %d", ci->ic_nchans, maxchans));
738 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
739 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc));
740 IEEE80211_FREE(dc, M_TEMP);
741 return error;
742 }
743
744 static int
ieee80211_ioctl_getstavlan(struct ieee80211vap * vap,struct ieee80211req * ireq)745 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
746 {
747 struct ieee80211_node *ni;
748 struct ieee80211req_sta_vlan vlan;
749 int error;
750
751 if (ireq->i_len != sizeof(vlan))
752 return EINVAL;
753 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
754 if (error != 0)
755 return error;
756 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
757 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
758 vlan.sv_macaddr);
759 if (ni == NULL)
760 return ENOENT;
761 } else
762 ni = ieee80211_ref_node(vap->iv_bss);
763 vlan.sv_vlan = ni->ni_vlan;
764 error = copyout(&vlan, ireq->i_data, sizeof(vlan));
765 ieee80211_free_node(ni);
766 return error;
767 }
768
769 /*
770 * Dummy ioctl get handler so the linker set is defined.
771 */
772 static int
dummy_ioctl_get(struct ieee80211vap * vap,struct ieee80211req * ireq)773 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq)
774 {
775 return ENOSYS;
776 }
777 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get);
778
779 static int
ieee80211_ioctl_getdefault(struct ieee80211vap * vap,struct ieee80211req * ireq)780 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
781 {
782 ieee80211_ioctl_getfunc * const *get;
783 int error;
784
785 SET_FOREACH(get, ieee80211_ioctl_getset) {
786 error = (*get)(vap, ireq);
787 if (error != ENOSYS)
788 return error;
789 }
790 return EINVAL;
791 }
792
793 static int
ieee80211_ioctl_get80211(struct ieee80211vap * vap,u_long cmd,struct ieee80211req * ireq)794 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
795 struct ieee80211req *ireq)
796 {
797 #define MS(_v, _f) (((_v) & _f) >> _f##_S)
798 struct ieee80211com *ic = vap->iv_ic;
799 u_int kid, len;
800 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
801 char tmpssid[IEEE80211_NWID_LEN];
802 int error = 0;
803
804 switch (ireq->i_type) {
805 case IEEE80211_IOC_SSID:
806 switch (vap->iv_state) {
807 case IEEE80211_S_INIT:
808 case IEEE80211_S_SCAN:
809 ireq->i_len = vap->iv_des_ssid[0].len;
810 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
811 break;
812 default:
813 ireq->i_len = vap->iv_bss->ni_esslen;
814 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
815 break;
816 }
817 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
818 break;
819 case IEEE80211_IOC_NUMSSIDS:
820 ireq->i_val = 1;
821 break;
822 case IEEE80211_IOC_WEP:
823 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
824 ireq->i_val = IEEE80211_WEP_OFF;
825 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
826 ireq->i_val = IEEE80211_WEP_ON;
827 else
828 ireq->i_val = IEEE80211_WEP_MIXED;
829 break;
830 case IEEE80211_IOC_WEPKEY:
831 kid = (u_int) ireq->i_val;
832 if (kid >= IEEE80211_WEP_NKID)
833 return EINVAL;
834 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
835 /* NB: only root can read WEP keys */
836 if (caps_priv_check_self(SYSCAP_NONET_WIFI) == 0) {
837 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
838 } else {
839 bzero(tmpkey, len);
840 }
841 ireq->i_len = len;
842 error = copyout(tmpkey, ireq->i_data, len);
843 break;
844 case IEEE80211_IOC_NUMWEPKEYS:
845 ireq->i_val = IEEE80211_WEP_NKID;
846 break;
847 case IEEE80211_IOC_WEPTXKEY:
848 ireq->i_val = vap->iv_def_txkey;
849 break;
850 case IEEE80211_IOC_AUTHMODE:
851 if (vap->iv_flags & IEEE80211_F_WPA)
852 ireq->i_val = IEEE80211_AUTH_WPA;
853 else
854 ireq->i_val = vap->iv_bss->ni_authmode;
855 break;
856 case IEEE80211_IOC_CHANNEL:
857 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
858 break;
859 case IEEE80211_IOC_POWERSAVE:
860 if (vap->iv_flags & IEEE80211_F_PMGTON)
861 ireq->i_val = IEEE80211_POWERSAVE_ON;
862 else
863 ireq->i_val = IEEE80211_POWERSAVE_OFF;
864 break;
865 case IEEE80211_IOC_POWERSAVESLEEP:
866 ireq->i_val = ic->ic_lintval;
867 break;
868 case IEEE80211_IOC_RTSTHRESHOLD:
869 ireq->i_val = vap->iv_rtsthreshold;
870 break;
871 case IEEE80211_IOC_PROTMODE:
872 ireq->i_val = ic->ic_protmode;
873 break;
874 case IEEE80211_IOC_TXPOWER:
875 /*
876 * Tx power limit is the min of max regulatory
877 * power, any user-set limit, and the max the
878 * radio can do.
879 */
880 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
881 if (ireq->i_val > ic->ic_txpowlimit)
882 ireq->i_val = ic->ic_txpowlimit;
883 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
884 ireq->i_val = ic->ic_curchan->ic_maxpower;
885 break;
886 case IEEE80211_IOC_WPA:
887 switch (vap->iv_flags & IEEE80211_F_WPA) {
888 case IEEE80211_F_WPA1:
889 ireq->i_val = 1;
890 break;
891 case IEEE80211_F_WPA2:
892 ireq->i_val = 2;
893 break;
894 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
895 ireq->i_val = 3;
896 break;
897 default:
898 ireq->i_val = 0;
899 break;
900 }
901 break;
902 case IEEE80211_IOC_CHANLIST:
903 error = ieee80211_ioctl_getchanlist(vap, ireq);
904 break;
905 case IEEE80211_IOC_ROAMING:
906 ireq->i_val = vap->iv_roaming;
907 break;
908 case IEEE80211_IOC_PRIVACY:
909 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
910 break;
911 case IEEE80211_IOC_DROPUNENCRYPTED:
912 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
913 break;
914 case IEEE80211_IOC_COUNTERMEASURES:
915 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
916 break;
917 case IEEE80211_IOC_WME:
918 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
919 break;
920 case IEEE80211_IOC_HIDESSID:
921 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
922 break;
923 case IEEE80211_IOC_APBRIDGE:
924 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
925 break;
926 case IEEE80211_IOC_WPAKEY:
927 error = ieee80211_ioctl_getkey(vap, ireq);
928 break;
929 case IEEE80211_IOC_CHANINFO:
930 error = ieee80211_ioctl_getchaninfo(vap, ireq);
931 break;
932 case IEEE80211_IOC_BSSID:
933 if (ireq->i_len != IEEE80211_ADDR_LEN)
934 return EINVAL;
935 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) {
936 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ?
937 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid,
938 ireq->i_data, ireq->i_len);
939 } else
940 error = copyout(vap->iv_des_bssid, ireq->i_data,
941 ireq->i_len);
942 break;
943 case IEEE80211_IOC_WPAIE:
944 case IEEE80211_IOC_WPAIE2:
945 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
946 break;
947 case IEEE80211_IOC_SCAN_RESULTS:
948 error = ieee80211_ioctl_getscanresults(vap, ireq);
949 break;
950 case IEEE80211_IOC_STA_STATS:
951 error = ieee80211_ioctl_getstastats(vap, ireq);
952 break;
953 case IEEE80211_IOC_TXPOWMAX:
954 ireq->i_val = vap->iv_bss->ni_txpower;
955 break;
956 case IEEE80211_IOC_STA_TXPOW:
957 error = ieee80211_ioctl_getstatxpow(vap, ireq);
958 break;
959 case IEEE80211_IOC_STA_INFO:
960 error = ieee80211_ioctl_getstainfo(vap, ireq);
961 break;
962 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
963 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
964 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
965 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
966 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
967 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */
968 error = ieee80211_ioctl_getwmeparam(vap, ireq);
969 break;
970 case IEEE80211_IOC_DTIM_PERIOD:
971 ireq->i_val = vap->iv_dtim_period;
972 break;
973 case IEEE80211_IOC_BEACON_INTERVAL:
974 /* NB: get from ic_bss for station mode */
975 ireq->i_val = vap->iv_bss->ni_intval;
976 break;
977 case IEEE80211_IOC_PUREG:
978 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
979 break;
980 case IEEE80211_IOC_QUIET:
981 ireq->i_val = vap->iv_quiet;
982 break;
983 case IEEE80211_IOC_QUIET_COUNT:
984 ireq->i_val = vap->iv_quiet_count;
985 break;
986 case IEEE80211_IOC_QUIET_PERIOD:
987 ireq->i_val = vap->iv_quiet_period;
988 break;
989 case IEEE80211_IOC_QUIET_DUR:
990 ireq->i_val = vap->iv_quiet_duration;
991 break;
992 case IEEE80211_IOC_QUIET_OFFSET:
993 ireq->i_val = vap->iv_quiet_offset;
994 break;
995 case IEEE80211_IOC_BGSCAN:
996 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
997 break;
998 case IEEE80211_IOC_BGSCAN_IDLE:
999 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */
1000 break;
1001 case IEEE80211_IOC_BGSCAN_INTERVAL:
1002 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */
1003 break;
1004 case IEEE80211_IOC_SCANVALID:
1005 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */
1006 break;
1007 case IEEE80211_IOC_FRAGTHRESHOLD:
1008 ireq->i_val = vap->iv_fragthreshold;
1009 break;
1010 case IEEE80211_IOC_MACCMD:
1011 error = ieee80211_ioctl_getmaccmd(vap, ireq);
1012 break;
1013 case IEEE80211_IOC_BURST:
1014 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
1015 break;
1016 case IEEE80211_IOC_BMISSTHRESHOLD:
1017 ireq->i_val = vap->iv_bmissthreshold;
1018 break;
1019 case IEEE80211_IOC_CURCHAN:
1020 error = ieee80211_ioctl_getcurchan(vap, ireq);
1021 break;
1022 case IEEE80211_IOC_SHORTGI:
1023 ireq->i_val = 0;
1024 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1025 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
1026 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1027 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
1028 break;
1029 case IEEE80211_IOC_AMPDU:
1030 ireq->i_val = 0;
1031 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1032 ireq->i_val |= 1;
1033 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1034 ireq->i_val |= 2;
1035 break;
1036 case IEEE80211_IOC_AMPDU_LIMIT:
1037 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1038 ireq->i_val = vap->iv_ampdu_rxmax;
1039 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
1040 /*
1041 * XXX TODO: this isn't completely correct, as we've
1042 * negotiated the higher of the two.
1043 */
1044 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1045 IEEE80211_HTCAP_MAXRXAMPDU);
1046 else
1047 ireq->i_val = vap->iv_ampdu_limit;
1048 break;
1049 case IEEE80211_IOC_AMPDU_DENSITY:
1050 if (vap->iv_opmode == IEEE80211_M_STA &&
1051 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1052 /*
1053 * XXX TODO: this isn't completely correct, as we've
1054 * negotiated the higher of the two.
1055 */
1056 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1057 IEEE80211_HTCAP_MPDUDENSITY);
1058 else
1059 ireq->i_val = vap->iv_ampdu_density;
1060 break;
1061 case IEEE80211_IOC_AMSDU:
1062 ireq->i_val = 0;
1063 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1064 ireq->i_val |= 1;
1065 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1066 ireq->i_val |= 2;
1067 break;
1068 case IEEE80211_IOC_AMSDU_LIMIT:
1069 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */
1070 break;
1071 case IEEE80211_IOC_PUREN:
1072 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1073 break;
1074 case IEEE80211_IOC_DOTH:
1075 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1076 break;
1077 case IEEE80211_IOC_REGDOMAIN:
1078 error = ieee80211_ioctl_getregdomain(vap, ireq);
1079 break;
1080 case IEEE80211_IOC_ROAM:
1081 error = ieee80211_ioctl_getroam(vap, ireq);
1082 break;
1083 case IEEE80211_IOC_TXPARAMS:
1084 error = ieee80211_ioctl_gettxparams(vap, ireq);
1085 break;
1086 case IEEE80211_IOC_HTCOMPAT:
1087 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1088 break;
1089 case IEEE80211_IOC_DWDS:
1090 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1091 break;
1092 case IEEE80211_IOC_INACTIVITY:
1093 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1094 break;
1095 case IEEE80211_IOC_APPIE:
1096 error = ieee80211_ioctl_getappie(vap, ireq);
1097 break;
1098 case IEEE80211_IOC_WPS:
1099 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1100 break;
1101 case IEEE80211_IOC_TSN:
1102 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1103 break;
1104 case IEEE80211_IOC_DFS:
1105 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1106 break;
1107 case IEEE80211_IOC_DOTD:
1108 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1109 break;
1110 case IEEE80211_IOC_DEVCAPS:
1111 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1112 break;
1113 case IEEE80211_IOC_HTPROTMODE:
1114 ireq->i_val = ic->ic_htprotmode;
1115 break;
1116 case IEEE80211_IOC_HTCONF:
1117 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1118 ireq->i_val = 1;
1119 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1120 ireq->i_val |= 2;
1121 } else
1122 ireq->i_val = 0;
1123 break;
1124 case IEEE80211_IOC_STA_VLAN:
1125 error = ieee80211_ioctl_getstavlan(vap, ireq);
1126 break;
1127 case IEEE80211_IOC_SMPS:
1128 if (vap->iv_opmode == IEEE80211_M_STA &&
1129 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) {
1130 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1131 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1132 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1133 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1134 else
1135 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1136 } else
1137 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1138 break;
1139 case IEEE80211_IOC_RIFS:
1140 if (vap->iv_opmode == IEEE80211_M_STA &&
1141 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1142 ireq->i_val =
1143 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1144 else
1145 ireq->i_val =
1146 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1147 break;
1148 case IEEE80211_IOC_STBC:
1149 ireq->i_val = 0;
1150 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX)
1151 ireq->i_val |= 1;
1152 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX)
1153 ireq->i_val |= 2;
1154 break;
1155 default:
1156 error = ieee80211_ioctl_getdefault(vap, ireq);
1157 break;
1158 }
1159 return error;
1160 #undef MS
1161 }
1162
1163 static int
ieee80211_ioctl_setkey(struct ieee80211vap * vap,struct ieee80211req * ireq)1164 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1165 {
1166 struct ieee80211req_key ik;
1167 struct ieee80211_node *ni;
1168 struct ieee80211_key *wk;
1169 uint16_t kid;
1170 int error, i;
1171
1172 if (ireq->i_len != sizeof(ik))
1173 return EINVAL;
1174 error = copyin(ireq->i_data, &ik, sizeof(ik));
1175 if (error)
1176 return error;
1177 /* NB: cipher support is verified by ieee80211_crypt_newkey */
1178 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1179 if (ik.ik_keylen > sizeof(ik.ik_keydata))
1180 return E2BIG;
1181 kid = ik.ik_keyix;
1182 if (kid == IEEE80211_KEYIX_NONE) {
1183 /* XXX unicast keys currently must be tx/rx */
1184 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1185 return EINVAL;
1186 if (vap->iv_opmode == IEEE80211_M_STA) {
1187 ni = ieee80211_ref_node(vap->iv_bss);
1188 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1189 ieee80211_free_node(ni);
1190 return EADDRNOTAVAIL;
1191 }
1192 } else {
1193 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1194 ik.ik_macaddr);
1195 if (ni == NULL)
1196 return ENOENT;
1197 }
1198 wk = &ni->ni_ucastkey;
1199 } else {
1200 if (kid >= IEEE80211_WEP_NKID)
1201 return EINVAL;
1202 wk = &vap->iv_nw_keys[kid];
1203 /*
1204 * Global slots start off w/o any assigned key index.
1205 * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1206 */
1207 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1208 wk->wk_keyix = kid;
1209 ni = NULL;
1210 }
1211 error = 0;
1212 ieee80211_key_update_begin(vap);
1213 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1214 wk->wk_keylen = ik.ik_keylen;
1215 /* NB: MIC presence is implied by cipher type */
1216 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1217 wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1218 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1219 wk->wk_keyrsc[i] = ik.ik_keyrsc;
1220 wk->wk_keytsc = 0; /* new key, reset */
1221 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1222 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1223 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1224 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr);
1225 if (!ieee80211_crypto_setkey(vap, wk))
1226 error = EIO;
1227 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1228 vap->iv_def_txkey = kid;
1229 } else
1230 error = ENXIO;
1231 ieee80211_key_update_end(vap);
1232 if (ni != NULL)
1233 ieee80211_free_node(ni);
1234 return error;
1235 }
1236
1237 static int
ieee80211_ioctl_delkey(struct ieee80211vap * vap,struct ieee80211req * ireq)1238 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1239 {
1240 struct ieee80211req_del_key dk;
1241 int kid, error;
1242
1243 if (ireq->i_len != sizeof(dk))
1244 return EINVAL;
1245 error = copyin(ireq->i_data, &dk, sizeof(dk));
1246 if (error)
1247 return error;
1248 kid = dk.idk_keyix;
1249 /* XXX uint8_t -> uint16_t */
1250 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1251 struct ieee80211_node *ni;
1252
1253 if (vap->iv_opmode == IEEE80211_M_STA) {
1254 ni = ieee80211_ref_node(vap->iv_bss);
1255 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1256 ieee80211_free_node(ni);
1257 return EADDRNOTAVAIL;
1258 }
1259 } else {
1260 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1261 dk.idk_macaddr);
1262 if (ni == NULL)
1263 return ENOENT;
1264 }
1265 /* XXX error return */
1266 ieee80211_node_delucastkey(ni);
1267 ieee80211_free_node(ni);
1268 } else {
1269 if (kid >= IEEE80211_WEP_NKID)
1270 return EINVAL;
1271 /* XXX error return */
1272 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1273 }
1274 return 0;
1275 }
1276
1277 struct mlmeop {
1278 struct ieee80211vap *vap;
1279 int op;
1280 int reason;
1281 };
1282
1283 static void
mlmedebug(struct ieee80211vap * vap,const uint8_t mac[IEEE80211_ADDR_LEN],int op,int reason)1284 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1285 int op, int reason)
1286 {
1287 #ifdef IEEE80211_DEBUG
1288 static const struct {
1289 int mask;
1290 const char *opstr;
1291 } ops[] = {
1292 { 0, "op#0" },
1293 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1294 IEEE80211_MSG_ASSOC, "assoc" },
1295 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1296 IEEE80211_MSG_ASSOC, "disassoc" },
1297 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1298 IEEE80211_MSG_AUTH, "deauth" },
1299 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1300 IEEE80211_MSG_AUTH, "authorize" },
1301 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1302 IEEE80211_MSG_AUTH, "unauthorize" },
1303 };
1304
1305 if (op == IEEE80211_MLME_AUTH) {
1306 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1307 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1308 "station authenticate %s via MLME (reason: %d (%s))",
1309 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1310 reason, ieee80211_reason_to_string(reason));
1311 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1312 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1313 "unknown MLME request %d (reason: %d (%s))", op, reason,
1314 ieee80211_reason_to_string(reason));
1315 } else if (reason == IEEE80211_STATUS_SUCCESS) {
1316 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1317 "station %s via MLME", ops[op].opstr);
1318 } else {
1319 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1320 "station %s via MLME (reason: %d (%s))", ops[op].opstr,
1321 reason, ieee80211_reason_to_string(reason));
1322 }
1323 #endif /* IEEE80211_DEBUG */
1324 }
1325
1326 static void
domlme(void * arg,struct ieee80211_node * ni)1327 domlme(void *arg, struct ieee80211_node *ni)
1328 {
1329 struct mlmeop *mop = arg;
1330 struct ieee80211vap *vap = ni->ni_vap;
1331
1332 if (vap != mop->vap)
1333 return;
1334 /*
1335 * NB: if ni_associd is zero then the node is already cleaned
1336 * up and we don't need to do this (we're safely holding a
1337 * reference but should otherwise not modify it's state).
1338 */
1339 if (ni->ni_associd == 0)
1340 return;
1341 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1342 if (mop->op == IEEE80211_MLME_DEAUTH) {
1343 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1344 mop->reason);
1345 } else {
1346 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1347 mop->reason);
1348 }
1349 ieee80211_node_leave(ni);
1350 }
1351
1352 static int
setmlme_dropsta(struct ieee80211vap * vap,const uint8_t mac[IEEE80211_ADDR_LEN],struct mlmeop * mlmeop)1353 setmlme_dropsta(struct ieee80211vap *vap,
1354 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1355 {
1356 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta;
1357 struct ieee80211_node *ni;
1358 int error = 0;
1359
1360 /* NB: the broadcast address means do 'em all */
1361 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) {
1362 IEEE80211_NODE_LOCK(nt);
1363 ni = ieee80211_find_node_locked(nt, mac);
1364 IEEE80211_NODE_UNLOCK(nt);
1365 /*
1366 * Don't do the node update inside the node
1367 * table lock. This unfortunately causes LORs
1368 * with drivers and their TX paths.
1369 */
1370 if (ni != NULL) {
1371 domlme(mlmeop, ni);
1372 ieee80211_free_node(ni);
1373 } else
1374 error = ENOENT;
1375 } else {
1376 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1377 }
1378 return error;
1379 }
1380
1381 static int
setmlme_common(struct ieee80211vap * vap,int op,const uint8_t mac[IEEE80211_ADDR_LEN],int reason)1382 setmlme_common(struct ieee80211vap *vap, int op,
1383 const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1384 {
1385 struct ieee80211com *ic = vap->iv_ic;
1386 struct ieee80211_node_table *nt = &ic->ic_sta;
1387 struct ieee80211_node *ni;
1388 struct mlmeop mlmeop;
1389 int error;
1390
1391 error = 0;
1392 switch (op) {
1393 case IEEE80211_MLME_DISASSOC:
1394 case IEEE80211_MLME_DEAUTH:
1395 switch (vap->iv_opmode) {
1396 case IEEE80211_M_STA:
1397 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1398 /* XXX not quite right */
1399 ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1400 break;
1401 case IEEE80211_M_HOSTAP:
1402 mlmeop.vap = vap;
1403 mlmeop.op = op;
1404 mlmeop.reason = reason;
1405 error = setmlme_dropsta(vap, mac, &mlmeop);
1406 break;
1407 case IEEE80211_M_WDS:
1408 /* XXX user app should send raw frame? */
1409 if (op != IEEE80211_MLME_DEAUTH) {
1410 error = EINVAL;
1411 break;
1412 }
1413 #if 0
1414 /* XXX accept any address, simplifies user code */
1415 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1416 error = EINVAL;
1417 break;
1418 }
1419 #endif
1420 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1421 ni = ieee80211_ref_node(vap->iv_bss);
1422 IEEE80211_SEND_MGMT(ni,
1423 IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1424 ieee80211_free_node(ni);
1425 break;
1426 case IEEE80211_M_MBSS:
1427 IEEE80211_NODE_LOCK(nt);
1428 ni = ieee80211_find_node_locked(nt, mac);
1429 /*
1430 * Don't do the node update inside the node
1431 * table lock. This unfortunately causes LORs
1432 * with drivers and their TX paths.
1433 */
1434 IEEE80211_NODE_UNLOCK(nt);
1435 if (ni != NULL) {
1436 ieee80211_node_leave(ni);
1437 ieee80211_free_node(ni);
1438 } else {
1439 error = ENOENT;
1440 }
1441 break;
1442 default:
1443 error = EINVAL;
1444 break;
1445 }
1446 break;
1447 case IEEE80211_MLME_AUTHORIZE:
1448 case IEEE80211_MLME_UNAUTHORIZE:
1449 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1450 vap->iv_opmode != IEEE80211_M_WDS) {
1451 error = EINVAL;
1452 break;
1453 }
1454 IEEE80211_NODE_LOCK(nt);
1455 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1456 /*
1457 * Don't do the node update inside the node
1458 * table lock. This unfortunately causes LORs
1459 * with drivers and their TX paths.
1460 */
1461 IEEE80211_NODE_UNLOCK(nt);
1462 if (ni != NULL) {
1463 mlmedebug(vap, mac, op, reason);
1464 if (op == IEEE80211_MLME_AUTHORIZE)
1465 ieee80211_node_authorize(ni);
1466 else
1467 ieee80211_node_unauthorize(ni);
1468 ieee80211_free_node(ni);
1469 } else
1470 error = ENOENT;
1471 break;
1472 case IEEE80211_MLME_AUTH:
1473 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1474 error = EINVAL;
1475 break;
1476 }
1477 IEEE80211_NODE_LOCK(nt);
1478 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1479 /*
1480 * Don't do the node update inside the node
1481 * table lock. This unfortunately causes LORs
1482 * with drivers and their TX paths.
1483 */
1484 IEEE80211_NODE_UNLOCK(nt);
1485 if (ni != NULL) {
1486 mlmedebug(vap, mac, op, reason);
1487 if (reason == IEEE80211_STATUS_SUCCESS) {
1488 IEEE80211_SEND_MGMT(ni,
1489 IEEE80211_FC0_SUBTYPE_AUTH, 2);
1490 /*
1491 * For shared key auth, just continue the
1492 * exchange. Otherwise when 802.1x is not in
1493 * use mark the port authorized at this point
1494 * so traffic can flow.
1495 */
1496 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1497 ni->ni_challenge == NULL)
1498 ieee80211_node_authorize(ni);
1499 } else {
1500 vap->iv_stats.is_rx_acl++;
1501 ieee80211_send_error(ni, ni->ni_macaddr,
1502 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1503 ieee80211_node_leave(ni);
1504 }
1505 ieee80211_free_node(ni);
1506 } else
1507 error = ENOENT;
1508 break;
1509 default:
1510 error = EINVAL;
1511 break;
1512 }
1513 return error;
1514 }
1515
1516 struct scanlookup {
1517 const uint8_t *mac;
1518 int esslen;
1519 const uint8_t *essid;
1520 const struct ieee80211_scan_entry *se;
1521 };
1522
1523 /*
1524 * Match mac address and any ssid.
1525 */
1526 static void
mlmelookup(void * arg,const struct ieee80211_scan_entry * se)1527 mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1528 {
1529 struct scanlookup *look = arg;
1530
1531 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1532 return;
1533 if (look->esslen != 0) {
1534 if (se->se_ssid[1] != look->esslen)
1535 return;
1536 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1537 return;
1538 }
1539 look->se = se;
1540 }
1541
1542 static int
setmlme_assoc_sta(struct ieee80211vap * vap,const uint8_t mac[IEEE80211_ADDR_LEN],int ssid_len,const uint8_t ssid[IEEE80211_NWID_LEN])1543 setmlme_assoc_sta(struct ieee80211vap *vap,
1544 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1545 const uint8_t ssid[IEEE80211_NWID_LEN])
1546 {
1547 struct scanlookup lookup;
1548
1549 KASSERT(vap->iv_opmode == IEEE80211_M_STA,
1550 ("expected opmode STA not %s",
1551 ieee80211_opmode_name[vap->iv_opmode]));
1552
1553 /* NB: this is racey if roaming is !manual */
1554 lookup.se = NULL;
1555 lookup.mac = mac;
1556 lookup.esslen = ssid_len;
1557 lookup.essid = ssid;
1558 ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1559 if (lookup.se == NULL)
1560 return ENOENT;
1561 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1562 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1563 return EIO; /* XXX unique but could be better */
1564 return 0;
1565 }
1566
1567 static int
setmlme_assoc_adhoc(struct ieee80211vap * vap,const uint8_t mac[IEEE80211_ADDR_LEN],int ssid_len,const uint8_t ssid[IEEE80211_NWID_LEN])1568 setmlme_assoc_adhoc(struct ieee80211vap *vap,
1569 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1570 const uint8_t ssid[IEEE80211_NWID_LEN])
1571 {
1572 struct ieee80211_scan_req *sr;
1573 int error;
1574
1575 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS ||
1576 vap->iv_opmode == IEEE80211_M_AHDEMO,
1577 ("expected opmode IBSS or AHDEMO not %s",
1578 ieee80211_opmode_name[vap->iv_opmode]));
1579
1580 if (ssid_len == 0)
1581 return EINVAL;
1582
1583 #if defined(__DragonFly__)
1584 sr = kmalloc(sizeof(*sr), M_TEMP, M_INTWAIT | M_ZERO);
1585 #else
1586 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
1587 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1588 #endif
1589 if (sr == NULL)
1590 return ENOMEM;
1591
1592 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */
1593 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
1594 vap->iv_des_ssid[0].len = ssid_len;
1595 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len);
1596 vap->iv_des_nssid = 1;
1597
1598 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE;
1599 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1600 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len);
1601 sr->sr_ssid[0].len = ssid_len;
1602 sr->sr_nssid = 1;
1603
1604 error = ieee80211_scanreq(vap, sr);
1605
1606 IEEE80211_FREE(sr, M_TEMP);
1607 return error;
1608 }
1609
1610 static int
ieee80211_ioctl_setmlme(struct ieee80211vap * vap,struct ieee80211req * ireq)1611 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1612 {
1613 struct ieee80211req_mlme mlme;
1614 int error;
1615
1616 if (ireq->i_len != sizeof(mlme))
1617 return EINVAL;
1618 error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1619 if (error)
1620 return error;
1621 if (vap->iv_opmode == IEEE80211_M_STA &&
1622 mlme.im_op == IEEE80211_MLME_ASSOC)
1623 return setmlme_assoc_sta(vap, mlme.im_macaddr,
1624 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1625 else if ((vap->iv_opmode == IEEE80211_M_IBSS ||
1626 vap->iv_opmode == IEEE80211_M_AHDEMO) &&
1627 mlme.im_op == IEEE80211_MLME_ASSOC)
1628 return setmlme_assoc_adhoc(vap, mlme.im_macaddr,
1629 mlme.im_ssid_len, mlme.im_ssid);
1630 else
1631 return setmlme_common(vap, mlme.im_op,
1632 mlme.im_macaddr, mlme.im_reason);
1633 }
1634
1635 static int
ieee80211_ioctl_macmac(struct ieee80211vap * vap,struct ieee80211req * ireq)1636 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1637 {
1638 uint8_t mac[IEEE80211_ADDR_LEN];
1639 const struct ieee80211_aclator *acl = vap->iv_acl;
1640 int error;
1641
1642 if (ireq->i_len != sizeof(mac))
1643 return EINVAL;
1644 error = copyin(ireq->i_data, mac, ireq->i_len);
1645 if (error)
1646 return error;
1647 if (acl == NULL) {
1648 acl = ieee80211_aclator_get("mac");
1649 if (acl == NULL || !acl->iac_attach(vap))
1650 return EINVAL;
1651 vap->iv_acl = acl;
1652 }
1653 if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1654 acl->iac_add(vap, mac);
1655 else
1656 acl->iac_remove(vap, mac);
1657 return 0;
1658 }
1659
1660 static int
ieee80211_ioctl_setmaccmd(struct ieee80211vap * vap,struct ieee80211req * ireq)1661 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1662 {
1663 const struct ieee80211_aclator *acl = vap->iv_acl;
1664
1665 switch (ireq->i_val) {
1666 case IEEE80211_MACCMD_POLICY_OPEN:
1667 case IEEE80211_MACCMD_POLICY_ALLOW:
1668 case IEEE80211_MACCMD_POLICY_DENY:
1669 case IEEE80211_MACCMD_POLICY_RADIUS:
1670 if (acl == NULL) {
1671 acl = ieee80211_aclator_get("mac");
1672 if (acl == NULL || !acl->iac_attach(vap))
1673 return EINVAL;
1674 vap->iv_acl = acl;
1675 }
1676 acl->iac_setpolicy(vap, ireq->i_val);
1677 break;
1678 case IEEE80211_MACCMD_FLUSH:
1679 if (acl != NULL)
1680 acl->iac_flush(vap);
1681 /* NB: silently ignore when not in use */
1682 break;
1683 case IEEE80211_MACCMD_DETACH:
1684 if (acl != NULL) {
1685 vap->iv_acl = NULL;
1686 acl->iac_detach(vap);
1687 }
1688 break;
1689 default:
1690 if (acl == NULL)
1691 return EINVAL;
1692 else
1693 return acl->iac_setioctl(vap, ireq);
1694 }
1695 return 0;
1696 }
1697
1698 static int
ieee80211_ioctl_setchanlist(struct ieee80211vap * vap,struct ieee80211req * ireq)1699 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1700 {
1701 struct ieee80211com *ic = vap->iv_ic;
1702 uint8_t *chanlist, *list;
1703 int i, nchan, maxchan, error;
1704
1705 if (ireq->i_len > sizeof(ic->ic_chan_active))
1706 ireq->i_len = sizeof(ic->ic_chan_active);
1707 #if defined(__DragonFly__)
1708 list = kmalloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1709 M_INTWAIT | M_ZERO);
1710 #else
1711 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1712 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1713 #endif
1714 if (list == NULL)
1715 return ENOMEM;
1716 error = copyin(ireq->i_data, list, ireq->i_len);
1717 if (error) {
1718 IEEE80211_FREE(list, M_TEMP);
1719 return error;
1720 }
1721 nchan = 0;
1722 chanlist = list + ireq->i_len; /* NB: zero'd already */
1723 maxchan = ireq->i_len * NBBY;
1724 for (i = 0; i < ic->ic_nchans; i++) {
1725 const struct ieee80211_channel *c = &ic->ic_channels[i];
1726 /*
1727 * Calculate the intersection of the user list and the
1728 * available channels so users can do things like specify
1729 * 1-255 to get all available channels.
1730 */
1731 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1732 setbit(chanlist, c->ic_ieee);
1733 nchan++;
1734 }
1735 }
1736 if (nchan == 0) {
1737 IEEE80211_FREE(list, M_TEMP);
1738 return EINVAL;
1739 }
1740 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */
1741 isclr(chanlist, ic->ic_bsschan->ic_ieee))
1742 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1743 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1744 ieee80211_scan_flush(vap);
1745 IEEE80211_FREE(list, M_TEMP);
1746 return ENETRESET;
1747 }
1748
1749 static int
ieee80211_ioctl_setstastats(struct ieee80211vap * vap,struct ieee80211req * ireq)1750 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1751 {
1752 struct ieee80211_node *ni;
1753 uint8_t macaddr[IEEE80211_ADDR_LEN];
1754 int error;
1755
1756 /*
1757 * NB: we could copyin ieee80211req_sta_stats so apps
1758 * could make selective changes but that's overkill;
1759 * just clear all stats for now.
1760 */
1761 if (ireq->i_len < IEEE80211_ADDR_LEN)
1762 return EINVAL;
1763 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1764 if (error != 0)
1765 return error;
1766 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1767 if (ni == NULL)
1768 return ENOENT;
1769 /* XXX require ni_vap == vap? */
1770 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1771 ieee80211_free_node(ni);
1772 return 0;
1773 }
1774
1775 static int
ieee80211_ioctl_setstatxpow(struct ieee80211vap * vap,struct ieee80211req * ireq)1776 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1777 {
1778 struct ieee80211_node *ni;
1779 struct ieee80211req_sta_txpow txpow;
1780 int error;
1781
1782 if (ireq->i_len != sizeof(txpow))
1783 return EINVAL;
1784 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1785 if (error != 0)
1786 return error;
1787 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1788 if (ni == NULL)
1789 return ENOENT;
1790 ni->ni_txpower = txpow.it_txpow;
1791 ieee80211_free_node(ni);
1792 return error;
1793 }
1794
1795 static int
ieee80211_ioctl_setwmeparam(struct ieee80211vap * vap,struct ieee80211req * ireq)1796 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1797 {
1798 struct ieee80211com *ic = vap->iv_ic;
1799 struct ieee80211_wme_state *wme = &ic->ic_wme;
1800 struct wmeParams *wmep, *chanp;
1801 int isbss, ac, aggrmode;
1802
1803 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1804 return EOPNOTSUPP;
1805
1806 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1807 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1808 aggrmode = (wme->wme_flags & WME_F_AGGRMODE);
1809 if (ac >= WME_NUM_AC)
1810 ac = WME_AC_BE;
1811 if (isbss) {
1812 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1813 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1814 } else {
1815 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1816 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1817 }
1818 switch (ireq->i_type) {
1819 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1820 wmep->wmep_logcwmin = ireq->i_val;
1821 if (!isbss || !aggrmode)
1822 chanp->wmep_logcwmin = ireq->i_val;
1823 break;
1824 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1825 wmep->wmep_logcwmax = ireq->i_val;
1826 if (!isbss || !aggrmode)
1827 chanp->wmep_logcwmax = ireq->i_val;
1828 break;
1829 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1830 wmep->wmep_aifsn = ireq->i_val;
1831 if (!isbss || !aggrmode)
1832 chanp->wmep_aifsn = ireq->i_val;
1833 break;
1834 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1835 wmep->wmep_txopLimit = ireq->i_val;
1836 if (!isbss || !aggrmode)
1837 chanp->wmep_txopLimit = ireq->i_val;
1838 break;
1839 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1840 wmep->wmep_acm = ireq->i_val;
1841 if (!aggrmode)
1842 chanp->wmep_acm = ireq->i_val;
1843 break;
1844 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1845 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1846 (ireq->i_val) == 0;
1847 break;
1848 }
1849 ieee80211_wme_updateparams(vap);
1850 return 0;
1851 }
1852
1853 static int
find11gchannel(struct ieee80211com * ic,int start,int freq)1854 find11gchannel(struct ieee80211com *ic, int start, int freq)
1855 {
1856 const struct ieee80211_channel *c;
1857 int i;
1858
1859 for (i = start+1; i < ic->ic_nchans; i++) {
1860 c = &ic->ic_channels[i];
1861 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1862 return 1;
1863 }
1864 /* NB: should not be needed but in case things are mis-sorted */
1865 for (i = 0; i < start; i++) {
1866 c = &ic->ic_channels[i];
1867 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1868 return 1;
1869 }
1870 return 0;
1871 }
1872
1873 static struct ieee80211_channel *
findchannel(struct ieee80211com * ic,int ieee,int mode)1874 findchannel(struct ieee80211com *ic, int ieee, int mode)
1875 {
1876 static const u_int chanflags[IEEE80211_MODE_MAX] = {
1877 [IEEE80211_MODE_AUTO] = 0,
1878 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A,
1879 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B,
1880 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G,
1881 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS,
1882 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A,
1883 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G,
1884 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO,
1885 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF,
1886 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER,
1887 /* NB: handled specially below */
1888 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A,
1889 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G,
1890 };
1891 u_int modeflags;
1892 int i;
1893
1894 modeflags = chanflags[mode];
1895 for (i = 0; i < ic->ic_nchans; i++) {
1896 struct ieee80211_channel *c = &ic->ic_channels[i];
1897
1898 if (c->ic_ieee != ieee)
1899 continue;
1900 if (mode == IEEE80211_MODE_AUTO) {
1901 /* ignore turbo channels for autoselect */
1902 if (IEEE80211_IS_CHAN_TURBO(c))
1903 continue;
1904 /*
1905 * XXX special-case 11b/g channels so we
1906 * always select the g channel if both
1907 * are present.
1908 * XXX prefer HT to non-HT?
1909 */
1910 if (!IEEE80211_IS_CHAN_B(c) ||
1911 !find11gchannel(ic, i, c->ic_freq))
1912 return c;
1913 } else {
1914 /* must check HT specially */
1915 if ((mode == IEEE80211_MODE_11NA ||
1916 mode == IEEE80211_MODE_11NG) &&
1917 !IEEE80211_IS_CHAN_HT(c))
1918 continue;
1919 if ((c->ic_flags & modeflags) == modeflags)
1920 return c;
1921 }
1922 }
1923 return NULL;
1924 }
1925
1926 /*
1927 * Check the specified against any desired mode (aka netband).
1928 * This is only used (presently) when operating in hostap mode
1929 * to enforce consistency.
1930 */
1931 static int
check_mode_consistency(const struct ieee80211_channel * c,int mode)1932 check_mode_consistency(const struct ieee80211_channel *c, int mode)
1933 {
1934 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1935
1936 switch (mode) {
1937 case IEEE80211_MODE_11B:
1938 return (IEEE80211_IS_CHAN_B(c));
1939 case IEEE80211_MODE_11G:
1940 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1941 case IEEE80211_MODE_11A:
1942 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1943 case IEEE80211_MODE_STURBO_A:
1944 return (IEEE80211_IS_CHAN_STURBO(c));
1945 case IEEE80211_MODE_11NA:
1946 return (IEEE80211_IS_CHAN_HTA(c));
1947 case IEEE80211_MODE_11NG:
1948 return (IEEE80211_IS_CHAN_HTG(c));
1949 }
1950 return 1;
1951
1952 }
1953
1954 /*
1955 * Common code to set the current channel. If the device
1956 * is up and running this may result in an immediate channel
1957 * change or a kick of the state machine.
1958 */
1959 static int
setcurchan(struct ieee80211vap * vap,struct ieee80211_channel * c)1960 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1961 {
1962 struct ieee80211com *ic = vap->iv_ic;
1963 int error;
1964
1965 if (c != IEEE80211_CHAN_ANYC) {
1966 if (IEEE80211_IS_CHAN_RADAR(c))
1967 return EBUSY; /* XXX better code? */
1968 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1969 if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1970 return EINVAL;
1971 if (!check_mode_consistency(c, vap->iv_des_mode))
1972 return EINVAL;
1973 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1974 if (IEEE80211_IS_CHAN_NOADHOC(c))
1975 return EINVAL;
1976 }
1977 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) &&
1978 vap->iv_bss->ni_chan == c)
1979 return 0; /* NB: nothing to do */
1980 }
1981 vap->iv_des_chan = c;
1982
1983 error = 0;
1984 if (vap->iv_opmode == IEEE80211_M_MONITOR &&
1985 vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1986 /*
1987 * Monitor mode can switch directly.
1988 */
1989 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
1990 /* XXX need state machine for other vap's to follow */
1991 ieee80211_setcurchan(ic, vap->iv_des_chan);
1992 vap->iv_bss->ni_chan = ic->ic_curchan;
1993 } else {
1994 ic->ic_curchan = vap->iv_des_chan;
1995 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1996 }
1997 } else {
1998 /*
1999 * Need to go through the state machine in case we
2000 * need to reassociate or the like. The state machine
2001 * will pickup the desired channel and avoid scanning.
2002 */
2003 if (IS_UP_AUTO(vap))
2004 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2005 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
2006 /*
2007 * When not up+running and a real channel has
2008 * been specified fix the current channel so
2009 * there is immediate feedback; e.g. via ifconfig.
2010 */
2011 ic->ic_curchan = vap->iv_des_chan;
2012 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
2013 }
2014 }
2015 return error;
2016 }
2017
2018 /*
2019 * Old api for setting the current channel; this is
2020 * deprecated because channel numbers are ambiguous.
2021 */
2022 static int
ieee80211_ioctl_setchannel(struct ieee80211vap * vap,const struct ieee80211req * ireq)2023 ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
2024 const struct ieee80211req *ireq)
2025 {
2026 struct ieee80211com *ic = vap->iv_ic;
2027 struct ieee80211_channel *c;
2028
2029 /* XXX 0xffff overflows 16-bit signed */
2030 if (ireq->i_val == 0 ||
2031 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
2032 c = IEEE80211_CHAN_ANYC;
2033 } else {
2034 struct ieee80211_channel *c2;
2035
2036 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
2037 if (c == NULL) {
2038 c = findchannel(ic, ireq->i_val,
2039 IEEE80211_MODE_AUTO);
2040 if (c == NULL)
2041 return EINVAL;
2042 }
2043 /*
2044 * Fine tune channel selection based on desired mode:
2045 * if 11b is requested, find the 11b version of any
2046 * 11g channel returned,
2047 * if static turbo, find the turbo version of any
2048 * 11a channel return,
2049 * if 11na is requested, find the ht version of any
2050 * 11a channel returned,
2051 * if 11ng is requested, find the ht version of any
2052 * 11g channel returned,
2053 * otherwise we should be ok with what we've got.
2054 */
2055 switch (vap->iv_des_mode) {
2056 case IEEE80211_MODE_11B:
2057 if (IEEE80211_IS_CHAN_ANYG(c)) {
2058 c2 = findchannel(ic, ireq->i_val,
2059 IEEE80211_MODE_11B);
2060 /* NB: should not happen, =>'s 11g w/o 11b */
2061 if (c2 != NULL)
2062 c = c2;
2063 }
2064 break;
2065 case IEEE80211_MODE_TURBO_A:
2066 if (IEEE80211_IS_CHAN_A(c)) {
2067 c2 = findchannel(ic, ireq->i_val,
2068 IEEE80211_MODE_TURBO_A);
2069 if (c2 != NULL)
2070 c = c2;
2071 }
2072 break;
2073 case IEEE80211_MODE_11NA:
2074 if (IEEE80211_IS_CHAN_A(c)) {
2075 c2 = findchannel(ic, ireq->i_val,
2076 IEEE80211_MODE_11NA);
2077 if (c2 != NULL)
2078 c = c2;
2079 }
2080 break;
2081 case IEEE80211_MODE_11NG:
2082 if (IEEE80211_IS_CHAN_ANYG(c)) {
2083 c2 = findchannel(ic, ireq->i_val,
2084 IEEE80211_MODE_11NG);
2085 if (c2 != NULL)
2086 c = c2;
2087 }
2088 break;
2089 default: /* NB: no static turboG */
2090 break;
2091 }
2092 }
2093 return setcurchan(vap, c);
2094 }
2095
2096 /*
2097 * New/current api for setting the current channel; a complete
2098 * channel description is provide so there is no ambiguity in
2099 * identifying the channel.
2100 */
2101 static int
ieee80211_ioctl_setcurchan(struct ieee80211vap * vap,const struct ieee80211req * ireq)2102 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
2103 const struct ieee80211req *ireq)
2104 {
2105 struct ieee80211com *ic = vap->iv_ic;
2106 struct ieee80211_channel chan, *c;
2107 int error;
2108
2109 if (ireq->i_len != sizeof(chan))
2110 return EINVAL;
2111 error = copyin(ireq->i_data, &chan, sizeof(chan));
2112 if (error != 0)
2113 return error;
2114 /* XXX 0xffff overflows 16-bit signed */
2115 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
2116 c = IEEE80211_CHAN_ANYC;
2117 } else {
2118 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2119 if (c == NULL)
2120 return EINVAL;
2121 }
2122 return setcurchan(vap, c);
2123 }
2124
2125 static int
ieee80211_ioctl_setregdomain(struct ieee80211vap * vap,const struct ieee80211req * ireq)2126 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2127 const struct ieee80211req *ireq)
2128 {
2129 struct ieee80211_regdomain_req *reg;
2130 int nchans, error;
2131
2132 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2133 sizeof(struct ieee80211_channel));
2134 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2135 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2136 "%s: bad # chans, i_len %d nchans %d\n", __func__,
2137 ireq->i_len, nchans);
2138 return EINVAL;
2139 }
2140 #if defined(__DragonFly__)
2141 reg = (struct ieee80211_regdomain_req *)
2142 kmalloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_INTWAIT);
2143 #else
2144 reg = (struct ieee80211_regdomain_req *)
2145 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP,
2146 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2147 #endif
2148 if (reg == NULL) {
2149 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2150 "%s: no memory, nchans %d\n", __func__, nchans);
2151 return ENOMEM;
2152 }
2153 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2154 if (error == 0) {
2155 /* NB: validate inline channel count against storage size */
2156 if (reg->chaninfo.ic_nchans != nchans) {
2157 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2158 "%s: chan cnt mismatch, %d != %d\n", __func__,
2159 reg->chaninfo.ic_nchans, nchans);
2160 error = EINVAL;
2161 } else
2162 error = ieee80211_setregdomain(vap, reg);
2163 }
2164 IEEE80211_FREE(reg, M_TEMP);
2165
2166 return (error == 0 ? ENETRESET : error);
2167 }
2168
2169 static int
ieee80211_ioctl_setroam(struct ieee80211vap * vap,const struct ieee80211req * ireq)2170 ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2171 const struct ieee80211req *ireq)
2172 {
2173 if (ireq->i_len != sizeof(vap->iv_roamparms))
2174 return EINVAL;
2175 /* XXX validate params */
2176 /* XXX? ENETRESET to push to device? */
2177 return copyin(ireq->i_data, vap->iv_roamparms,
2178 sizeof(vap->iv_roamparms));
2179 }
2180
2181 static int
checkrate(const struct ieee80211_rateset * rs,int rate)2182 checkrate(const struct ieee80211_rateset *rs, int rate)
2183 {
2184 int i;
2185
2186 if (rate == IEEE80211_FIXED_RATE_NONE)
2187 return 1;
2188 for (i = 0; i < rs->rs_nrates; i++)
2189 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2190 return 1;
2191 return 0;
2192 }
2193
2194 static int
checkmcs(int mcs)2195 checkmcs(int mcs)
2196 {
2197 if (mcs == IEEE80211_FIXED_RATE_NONE)
2198 return 1;
2199 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */
2200 return 0;
2201 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */
2202 }
2203
2204 static int
ieee80211_ioctl_settxparams(struct ieee80211vap * vap,const struct ieee80211req * ireq)2205 ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2206 const struct ieee80211req *ireq)
2207 {
2208 struct ieee80211com *ic = vap->iv_ic;
2209 struct ieee80211_txparams_req parms; /* XXX stack use? */
2210 struct ieee80211_txparam *src, *dst;
2211 const struct ieee80211_rateset *rs;
2212 int error, mode, changed, is11n, nmodes;
2213
2214 /* NB: accept short requests for backwards compat */
2215 if (ireq->i_len > sizeof(parms))
2216 return EINVAL;
2217 error = copyin(ireq->i_data, &parms, ireq->i_len);
2218 if (error != 0)
2219 return error;
2220 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2221 changed = 0;
2222 /* validate parameters and check if anything changed */
2223 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2224 if (isclr(ic->ic_modecaps, mode))
2225 continue;
2226 src = &parms.params[mode];
2227 dst = &vap->iv_txparms[mode];
2228 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */
2229 is11n = (mode == IEEE80211_MODE_11NA ||
2230 mode == IEEE80211_MODE_11NG);
2231 if (src->ucastrate != dst->ucastrate) {
2232 if (!checkrate(rs, src->ucastrate) &&
2233 (!is11n || !checkmcs(src->ucastrate)))
2234 return EINVAL;
2235 changed++;
2236 }
2237 if (src->mcastrate != dst->mcastrate) {
2238 if (!checkrate(rs, src->mcastrate) &&
2239 (!is11n || !checkmcs(src->mcastrate)))
2240 return EINVAL;
2241 changed++;
2242 }
2243 if (src->mgmtrate != dst->mgmtrate) {
2244 if (!checkrate(rs, src->mgmtrate) &&
2245 (!is11n || !checkmcs(src->mgmtrate)))
2246 return EINVAL;
2247 changed++;
2248 }
2249 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2250 changed++;
2251 }
2252 if (changed) {
2253 /*
2254 * Copy new parameters in place and notify the
2255 * driver so it can push state to the device.
2256 */
2257 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2258 if (isset(ic->ic_modecaps, mode))
2259 vap->iv_txparms[mode] = parms.params[mode];
2260 }
2261 /* XXX could be more intelligent,
2262 e.g. don't reset if setting not being used */
2263 return ENETRESET;
2264 }
2265 return 0;
2266 }
2267
2268 /*
2269 * Application Information Element support.
2270 */
2271 static int
setappie(struct ieee80211_appie ** aie,const struct ieee80211req * ireq)2272 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2273 {
2274 struct ieee80211_appie *app = *aie;
2275 struct ieee80211_appie *napp;
2276 int error;
2277
2278 if (ireq->i_len == 0) { /* delete any existing ie */
2279 if (app != NULL) {
2280 *aie = NULL; /* XXX racey */
2281 IEEE80211_FREE(app, M_80211_NODE_IE);
2282 }
2283 return 0;
2284 }
2285 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2286 return EINVAL;
2287 /*
2288 * Allocate a new appie structure and copy in the user data.
2289 * When done swap in the new structure. Note that we do not
2290 * guard against users holding a ref to the old structure;
2291 * this must be handled outside this code.
2292 *
2293 * XXX bad bad bad
2294 */
2295 #if defined(__DragonFly__)
2296 napp = (struct ieee80211_appie *) kmalloc(
2297 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_INTWAIT);
2298 #else
2299 napp = (struct ieee80211_appie *) IEEE80211_MALLOC(
2300 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE,
2301 IEEE80211_M_NOWAIT);
2302 #endif
2303 if (napp == NULL)
2304 return ENOMEM;
2305 /* XXX holding ic lock */
2306 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2307 if (error) {
2308 IEEE80211_FREE(napp, M_80211_NODE_IE);
2309 return error;
2310 }
2311 napp->ie_len = ireq->i_len;
2312 *aie = napp;
2313 if (app != NULL)
2314 IEEE80211_FREE(app, M_80211_NODE_IE);
2315 return 0;
2316 }
2317
2318 static void
setwparsnie(struct ieee80211vap * vap,uint8_t * ie,int space)2319 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2320 {
2321 /* validate data is present as best we can */
2322 if (space == 0 || 2+ie[1] > space)
2323 return;
2324 if (ie[0] == IEEE80211_ELEMID_VENDOR)
2325 vap->iv_wpa_ie = ie;
2326 else if (ie[0] == IEEE80211_ELEMID_RSN)
2327 vap->iv_rsn_ie = ie;
2328 }
2329
2330 static int
ieee80211_ioctl_setappie_locked(struct ieee80211vap * vap,const struct ieee80211req * ireq,int fc0)2331 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2332 const struct ieee80211req *ireq, int fc0)
2333 {
2334 int error;
2335
2336 IEEE80211_LOCK_ASSERT(vap->iv_ic);
2337
2338 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2339 case IEEE80211_FC0_SUBTYPE_BEACON:
2340 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2341 vap->iv_opmode != IEEE80211_M_IBSS) {
2342 error = EINVAL;
2343 break;
2344 }
2345 error = setappie(&vap->iv_appie_beacon, ireq);
2346 if (error == 0)
2347 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2348 break;
2349 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2350 error = setappie(&vap->iv_appie_proberesp, ireq);
2351 break;
2352 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2353 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2354 error = setappie(&vap->iv_appie_assocresp, ireq);
2355 else
2356 error = EINVAL;
2357 break;
2358 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2359 error = setappie(&vap->iv_appie_probereq, ireq);
2360 break;
2361 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2362 if (vap->iv_opmode == IEEE80211_M_STA)
2363 error = setappie(&vap->iv_appie_assocreq, ireq);
2364 else
2365 error = EINVAL;
2366 break;
2367 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2368 error = setappie(&vap->iv_appie_wpa, ireq);
2369 if (error == 0) {
2370 /*
2371 * Must split single blob of data into separate
2372 * WPA and RSN ie's because they go in different
2373 * locations in the mgt frames.
2374 * XXX use IEEE80211_IOC_WPA2 so user code does split
2375 */
2376 vap->iv_wpa_ie = NULL;
2377 vap->iv_rsn_ie = NULL;
2378 if (vap->iv_appie_wpa != NULL) {
2379 struct ieee80211_appie *appie =
2380 vap->iv_appie_wpa;
2381 uint8_t *data = appie->ie_data;
2382
2383 /* XXX ie length validate is painful, cheat */
2384 setwparsnie(vap, data, appie->ie_len);
2385 setwparsnie(vap, data + 2 + data[1],
2386 appie->ie_len - (2 + data[1]));
2387 }
2388 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2389 vap->iv_opmode == IEEE80211_M_IBSS) {
2390 /*
2391 * Must rebuild beacon frame as the update
2392 * mechanism doesn't handle WPA/RSN ie's.
2393 * Could extend it but it doesn't normally
2394 * change; this is just to deal with hostapd
2395 * plumbing the ie after the interface is up.
2396 */
2397 error = ENETRESET;
2398 }
2399 }
2400 break;
2401 default:
2402 error = EINVAL;
2403 break;
2404 }
2405 return error;
2406 }
2407
2408 static int
ieee80211_ioctl_setappie(struct ieee80211vap * vap,const struct ieee80211req * ireq)2409 ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2410 const struct ieee80211req *ireq)
2411 {
2412 struct ieee80211com *ic = vap->iv_ic;
2413 int error;
2414 uint8_t fc0;
2415
2416 fc0 = ireq->i_val & 0xff;
2417 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2418 return EINVAL;
2419 /* NB: could check iv_opmode and reject but hardly worth the effort */
2420 IEEE80211_LOCK(ic);
2421 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2422 IEEE80211_UNLOCK(ic);
2423 return error;
2424 }
2425
2426 static int
ieee80211_ioctl_chanswitch(struct ieee80211vap * vap,struct ieee80211req * ireq)2427 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2428 {
2429 struct ieee80211com *ic = vap->iv_ic;
2430 struct ieee80211_chanswitch_req csr;
2431 struct ieee80211_channel *c;
2432 int error;
2433
2434 if (ireq->i_len != sizeof(csr))
2435 return EINVAL;
2436 error = copyin(ireq->i_data, &csr, sizeof(csr));
2437 if (error != 0)
2438 return error;
2439 /* XXX adhoc mode not supported */
2440 if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2441 (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2442 return EOPNOTSUPP;
2443 c = ieee80211_find_channel(ic,
2444 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2445 if (c == NULL)
2446 return ENOENT;
2447 IEEE80211_LOCK(ic);
2448 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2449 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2450 else if (csr.csa_count == 0)
2451 ieee80211_csa_cancelswitch(ic);
2452 else
2453 error = EBUSY;
2454 IEEE80211_UNLOCK(ic);
2455 return error;
2456 }
2457
2458 static int
ieee80211_scanreq(struct ieee80211vap * vap,struct ieee80211_scan_req * sr)2459 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr)
2460 {
2461 #define IEEE80211_IOC_SCAN_FLAGS \
2462 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2463 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2464 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2465 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2466 IEEE80211_IOC_SCAN_CHECK)
2467 struct ieee80211com *ic = vap->iv_ic;
2468 int error, i;
2469
2470 /* convert duration */
2471 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2472 sr->sr_duration = IEEE80211_SCAN_FOREVER;
2473 else {
2474 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2475 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2476 return EINVAL;
2477 sr->sr_duration = msecs_to_ticks(sr->sr_duration);
2478 if (sr->sr_duration < 1)
2479 sr->sr_duration = 1;
2480 }
2481 /* convert min/max channel dwell */
2482 if (sr->sr_mindwell != 0) {
2483 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell);
2484 if (sr->sr_mindwell < 1)
2485 sr->sr_mindwell = 1;
2486 }
2487 if (sr->sr_maxdwell != 0) {
2488 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell);
2489 if (sr->sr_maxdwell < 1)
2490 sr->sr_maxdwell = 1;
2491 }
2492 /* NB: silently reduce ssid count to what is supported */
2493 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID)
2494 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID;
2495 for (i = 0; i < sr->sr_nssid; i++)
2496 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN)
2497 return EINVAL;
2498 /* cleanse flags just in case, could reject if invalid flags */
2499 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2500 /*
2501 * Add an implicit NOPICK if the vap is not marked UP. This
2502 * allows applications to scan without joining a bss (or picking
2503 * a channel and setting up a bss) and without forcing manual
2504 * roaming mode--you just need to mark the parent device UP.
2505 */
2506 if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2507 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2508
2509 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2510 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2511 __func__, sr->sr_flags,
2512 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2513 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid);
2514 /*
2515 * If we are in INIT state then the driver has never had a chance
2516 * to setup hardware state to do a scan; we must use the state
2517 * machine to get us up to the SCAN state but once we reach SCAN
2518 * state we then want to use the supplied params. Stash the
2519 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2520 * state machines will recognize this and use the stashed params
2521 * to issue the scan request.
2522 *
2523 * Otherwise just invoke the scan machinery directly.
2524 */
2525 IEEE80211_LOCK(ic);
2526 if (ic->ic_nrunning == 0) {
2527 IEEE80211_UNLOCK(ic);
2528 return ENXIO;
2529 }
2530
2531 if (vap->iv_state == IEEE80211_S_INIT) {
2532 /* NB: clobbers previous settings */
2533 vap->iv_scanreq_flags = sr->sr_flags;
2534 vap->iv_scanreq_duration = sr->sr_duration;
2535 vap->iv_scanreq_nssid = sr->sr_nssid;
2536 for (i = 0; i < sr->sr_nssid; i++) {
2537 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len;
2538 memcpy(vap->iv_scanreq_ssid[i].ssid,
2539 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len);
2540 }
2541 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2542 IEEE80211_UNLOCK(ic);
2543 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2544 } else {
2545 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2546 IEEE80211_UNLOCK(ic);
2547 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2548 error = ieee80211_check_scan(vap, sr->sr_flags,
2549 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2550 sr->sr_nssid,
2551 /* NB: cheat, we assume structures are compatible */
2552 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2553 } else {
2554 error = ieee80211_start_scan(vap, sr->sr_flags,
2555 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2556 sr->sr_nssid,
2557 /* NB: cheat, we assume structures are compatible */
2558 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2559 }
2560 if (error == 0)
2561 return EINPROGRESS;
2562 }
2563 return 0;
2564 #undef IEEE80211_IOC_SCAN_FLAGS
2565 }
2566
2567 static int
ieee80211_ioctl_scanreq(struct ieee80211vap * vap,struct ieee80211req * ireq)2568 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2569 {
2570 struct ieee80211_scan_req *sr;
2571 int error;
2572
2573 if (ireq->i_len != sizeof(*sr))
2574 return EINVAL;
2575 #if defined(__DragonFly__)
2576 sr = kmalloc(sizeof(*sr), M_TEMP, M_INTWAIT | M_ZERO);
2577 #else
2578 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
2579 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2580 #endif
2581 if (sr == NULL)
2582 return ENOMEM;
2583 error = copyin(ireq->i_data, sr, sizeof(*sr));
2584 if (error != 0)
2585 goto bad;
2586 error = ieee80211_scanreq(vap, sr);
2587 bad:
2588 IEEE80211_FREE(sr, M_TEMP);
2589 return error;
2590 }
2591
2592 static int
ieee80211_ioctl_setstavlan(struct ieee80211vap * vap,struct ieee80211req * ireq)2593 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2594 {
2595 struct ieee80211_node *ni;
2596 struct ieee80211req_sta_vlan vlan;
2597 int error;
2598
2599 if (ireq->i_len != sizeof(vlan))
2600 return EINVAL;
2601 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2602 if (error != 0)
2603 return error;
2604 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2605 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2606 vlan.sv_macaddr);
2607 if (ni == NULL)
2608 return ENOENT;
2609 } else
2610 ni = ieee80211_ref_node(vap->iv_bss);
2611 ni->ni_vlan = vlan.sv_vlan;
2612 ieee80211_free_node(ni);
2613 return error;
2614 }
2615
2616 static int
isvap11g(const struct ieee80211vap * vap)2617 isvap11g(const struct ieee80211vap *vap)
2618 {
2619 const struct ieee80211_node *bss = vap->iv_bss;
2620 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2621 IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2622 }
2623
2624 static int
isvapht(const struct ieee80211vap * vap)2625 isvapht(const struct ieee80211vap *vap)
2626 {
2627 const struct ieee80211_node *bss = vap->iv_bss;
2628 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2629 IEEE80211_IS_CHAN_HT(bss->ni_chan);
2630 }
2631
2632 /*
2633 * Dummy ioctl set handler so the linker set is defined.
2634 */
2635 static int
dummy_ioctl_set(struct ieee80211vap * vap,struct ieee80211req * ireq)2636 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2637 {
2638 return ENOSYS;
2639 }
2640 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2641
2642 static int
ieee80211_ioctl_setdefault(struct ieee80211vap * vap,struct ieee80211req * ireq)2643 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2644 {
2645 ieee80211_ioctl_setfunc * const *set;
2646 int error;
2647
2648 SET_FOREACH(set, ieee80211_ioctl_setset) {
2649 error = (*set)(vap, ireq);
2650 if (error != ENOSYS)
2651 return error;
2652 }
2653 return EINVAL;
2654 }
2655
2656 static int
ieee80211_ioctl_set80211(struct ieee80211vap * vap,u_long cmd,struct ieee80211req * ireq)2657 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2658 {
2659 struct ieee80211com *ic = vap->iv_ic;
2660 int error;
2661 const struct ieee80211_authenticator *auth;
2662 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2663 char tmpssid[IEEE80211_NWID_LEN];
2664 uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2665 struct ieee80211_key *k;
2666 u_int kid;
2667 uint32_t flags;
2668
2669 error = 0;
2670 switch (ireq->i_type) {
2671 case IEEE80211_IOC_SSID:
2672 if (ireq->i_val != 0 ||
2673 ireq->i_len > IEEE80211_NWID_LEN)
2674 return EINVAL;
2675 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2676 if (error)
2677 break;
2678 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2679 vap->iv_des_ssid[0].len = ireq->i_len;
2680 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2681 vap->iv_des_nssid = (ireq->i_len > 0);
2682 error = ENETRESET;
2683 break;
2684 case IEEE80211_IOC_WEP:
2685 switch (ireq->i_val) {
2686 case IEEE80211_WEP_OFF:
2687 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2688 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2689 break;
2690 case IEEE80211_WEP_ON:
2691 vap->iv_flags |= IEEE80211_F_PRIVACY;
2692 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2693 break;
2694 case IEEE80211_WEP_MIXED:
2695 vap->iv_flags |= IEEE80211_F_PRIVACY;
2696 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2697 break;
2698 }
2699 error = ENETRESET;
2700 break;
2701 case IEEE80211_IOC_WEPKEY:
2702 kid = (u_int) ireq->i_val;
2703 if (kid >= IEEE80211_WEP_NKID)
2704 return EINVAL;
2705 k = &vap->iv_nw_keys[kid];
2706 if (ireq->i_len == 0) {
2707 /* zero-len =>'s delete any existing key */
2708 (void) ieee80211_crypto_delkey(vap, k);
2709 break;
2710 }
2711 if (ireq->i_len > sizeof(tmpkey))
2712 return EINVAL;
2713 memset(tmpkey, 0, sizeof(tmpkey));
2714 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2715 if (error)
2716 break;
2717 ieee80211_key_update_begin(vap);
2718 k->wk_keyix = kid; /* NB: force fixed key id */
2719 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2720 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2721 k->wk_keylen = ireq->i_len;
2722 memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2723 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2724 if (!ieee80211_crypto_setkey(vap, k))
2725 error = EINVAL;
2726 } else
2727 error = EINVAL;
2728 ieee80211_key_update_end(vap);
2729 break;
2730 case IEEE80211_IOC_WEPTXKEY:
2731 kid = (u_int) ireq->i_val;
2732 if (kid >= IEEE80211_WEP_NKID &&
2733 (uint16_t) kid != IEEE80211_KEYIX_NONE)
2734 return EINVAL;
2735 vap->iv_def_txkey = kid;
2736 break;
2737 case IEEE80211_IOC_AUTHMODE:
2738 switch (ireq->i_val) {
2739 case IEEE80211_AUTH_WPA:
2740 case IEEE80211_AUTH_8021X: /* 802.1x */
2741 case IEEE80211_AUTH_OPEN: /* open */
2742 case IEEE80211_AUTH_SHARED: /* shared-key */
2743 case IEEE80211_AUTH_AUTO: /* auto */
2744 auth = ieee80211_authenticator_get(ireq->i_val);
2745 if (auth == NULL)
2746 return EINVAL;
2747 break;
2748 default:
2749 return EINVAL;
2750 }
2751 switch (ireq->i_val) {
2752 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
2753 vap->iv_flags |= IEEE80211_F_PRIVACY;
2754 ireq->i_val = IEEE80211_AUTH_8021X;
2755 break;
2756 case IEEE80211_AUTH_OPEN: /* open */
2757 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2758 break;
2759 case IEEE80211_AUTH_SHARED: /* shared-key */
2760 case IEEE80211_AUTH_8021X: /* 802.1x */
2761 vap->iv_flags &= ~IEEE80211_F_WPA;
2762 /* both require a key so mark the PRIVACY capability */
2763 vap->iv_flags |= IEEE80211_F_PRIVACY;
2764 break;
2765 case IEEE80211_AUTH_AUTO: /* auto */
2766 vap->iv_flags &= ~IEEE80211_F_WPA;
2767 /* XXX PRIVACY handling? */
2768 /* XXX what's the right way to do this? */
2769 break;
2770 }
2771 /* NB: authenticator attach/detach happens on state change */
2772 vap->iv_bss->ni_authmode = ireq->i_val;
2773 /* XXX mixed/mode/usage? */
2774 vap->iv_auth = auth;
2775 error = ENETRESET;
2776 break;
2777 case IEEE80211_IOC_CHANNEL:
2778 error = ieee80211_ioctl_setchannel(vap, ireq);
2779 break;
2780 case IEEE80211_IOC_POWERSAVE:
2781 switch (ireq->i_val) {
2782 case IEEE80211_POWERSAVE_OFF:
2783 if (vap->iv_flags & IEEE80211_F_PMGTON) {
2784 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2785 error = ERESTART;
2786 }
2787 break;
2788 case IEEE80211_POWERSAVE_ON:
2789 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2790 error = EOPNOTSUPP;
2791 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2792 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2793 error = ERESTART;
2794 }
2795 break;
2796 default:
2797 error = EINVAL;
2798 break;
2799 }
2800 break;
2801 case IEEE80211_IOC_POWERSAVESLEEP:
2802 if (ireq->i_val < 0)
2803 return EINVAL;
2804 ic->ic_lintval = ireq->i_val;
2805 error = ERESTART;
2806 break;
2807 case IEEE80211_IOC_RTSTHRESHOLD:
2808 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2809 ireq->i_val <= IEEE80211_RTS_MAX))
2810 return EINVAL;
2811 vap->iv_rtsthreshold = ireq->i_val;
2812 error = ERESTART;
2813 break;
2814 case IEEE80211_IOC_PROTMODE:
2815 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2816 return EINVAL;
2817 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val;
2818 /* NB: if not operating in 11g this can wait */
2819 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2820 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2821 error = ERESTART;
2822 break;
2823 case IEEE80211_IOC_TXPOWER:
2824 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2825 return EOPNOTSUPP;
2826 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2827 ireq->i_val <= IEEE80211_TXPOWER_MAX))
2828 return EINVAL;
2829 ic->ic_txpowlimit = ireq->i_val;
2830 error = ERESTART;
2831 break;
2832 case IEEE80211_IOC_ROAMING:
2833 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2834 ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2835 return EINVAL;
2836 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val;
2837 /* XXXX reset? */
2838 break;
2839 case IEEE80211_IOC_PRIVACY:
2840 if (ireq->i_val) {
2841 /* XXX check for key state? */
2842 vap->iv_flags |= IEEE80211_F_PRIVACY;
2843 } else
2844 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2845 /* XXX ERESTART? */
2846 break;
2847 case IEEE80211_IOC_DROPUNENCRYPTED:
2848 if (ireq->i_val)
2849 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2850 else
2851 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2852 /* XXX ERESTART? */
2853 break;
2854 case IEEE80211_IOC_WPAKEY:
2855 error = ieee80211_ioctl_setkey(vap, ireq);
2856 break;
2857 case IEEE80211_IOC_DELKEY:
2858 error = ieee80211_ioctl_delkey(vap, ireq);
2859 break;
2860 case IEEE80211_IOC_MLME:
2861 error = ieee80211_ioctl_setmlme(vap, ireq);
2862 break;
2863 case IEEE80211_IOC_COUNTERMEASURES:
2864 if (ireq->i_val) {
2865 if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2866 return EOPNOTSUPP;
2867 vap->iv_flags |= IEEE80211_F_COUNTERM;
2868 } else
2869 vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2870 /* XXX ERESTART? */
2871 break;
2872 case IEEE80211_IOC_WPA:
2873 if (ireq->i_val > 3)
2874 return EINVAL;
2875 /* XXX verify ciphers available */
2876 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2877 switch (ireq->i_val) {
2878 case 0:
2879 /* wpa_supplicant calls this to clear the WPA config */
2880 break;
2881 case 1:
2882 if (!(vap->iv_caps & IEEE80211_C_WPA1))
2883 return EOPNOTSUPP;
2884 flags |= IEEE80211_F_WPA1;
2885 break;
2886 case 2:
2887 if (!(vap->iv_caps & IEEE80211_C_WPA2))
2888 return EOPNOTSUPP;
2889 flags |= IEEE80211_F_WPA2;
2890 break;
2891 case 3:
2892 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2893 return EOPNOTSUPP;
2894 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2895 break;
2896 default: /* Can't set any -> error */
2897 return EOPNOTSUPP;
2898 }
2899 vap->iv_flags = flags;
2900 error = ERESTART; /* NB: can change beacon frame */
2901 break;
2902 case IEEE80211_IOC_WME:
2903 if (ireq->i_val) {
2904 if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2905 return EOPNOTSUPP;
2906 ieee80211_syncflag(vap, IEEE80211_F_WME);
2907 } else
2908 ieee80211_syncflag(vap, -IEEE80211_F_WME);
2909 error = ERESTART; /* NB: can change beacon frame */
2910 break;
2911 case IEEE80211_IOC_HIDESSID:
2912 if (ireq->i_val)
2913 vap->iv_flags |= IEEE80211_F_HIDESSID;
2914 else
2915 vap->iv_flags &= ~IEEE80211_F_HIDESSID;
2916 error = ERESTART; /* XXX ENETRESET? */
2917 break;
2918 case IEEE80211_IOC_APBRIDGE:
2919 if (ireq->i_val == 0)
2920 vap->iv_flags |= IEEE80211_F_NOBRIDGE;
2921 else
2922 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
2923 break;
2924 case IEEE80211_IOC_BSSID:
2925 if (ireq->i_len != sizeof(tmpbssid))
2926 return EINVAL;
2927 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2928 if (error)
2929 break;
2930 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
2931 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
2932 vap->iv_flags &= ~IEEE80211_F_DESBSSID;
2933 else
2934 vap->iv_flags |= IEEE80211_F_DESBSSID;
2935 error = ENETRESET;
2936 break;
2937 case IEEE80211_IOC_CHANLIST:
2938 error = ieee80211_ioctl_setchanlist(vap, ireq);
2939 break;
2940 #define OLD_IEEE80211_IOC_SCAN_REQ 23
2941 #ifdef OLD_IEEE80211_IOC_SCAN_REQ
2942 case OLD_IEEE80211_IOC_SCAN_REQ:
2943 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2944 "%s: active scan request\n", __func__);
2945 /*
2946 * If we are in INIT state then the driver has never
2947 * had a chance to setup hardware state to do a scan;
2948 * use the state machine to get us up the SCAN state.
2949 * Otherwise just invoke the scan machinery to start
2950 * a one-time scan.
2951 */
2952 if (vap->iv_state == IEEE80211_S_INIT)
2953 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2954 else
2955 (void) ieee80211_start_scan(vap,
2956 IEEE80211_SCAN_ACTIVE |
2957 IEEE80211_SCAN_NOPICK |
2958 IEEE80211_SCAN_ONCE,
2959 IEEE80211_SCAN_FOREVER, 0, 0,
2960 /* XXX use ioctl params */
2961 vap->iv_des_nssid, vap->iv_des_ssid);
2962 break;
2963 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */
2964 case IEEE80211_IOC_SCAN_REQ:
2965 error = ieee80211_ioctl_scanreq(vap, ireq);
2966 break;
2967 case IEEE80211_IOC_SCAN_CANCEL:
2968 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2969 "%s: cancel scan\n", __func__);
2970 ieee80211_cancel_scan(vap);
2971 break;
2972 case IEEE80211_IOC_HTCONF:
2973 if (ireq->i_val & 1)
2974 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
2975 else
2976 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
2977 if (ireq->i_val & 2)
2978 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
2979 else
2980 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
2981 error = ENETRESET;
2982 break;
2983 case IEEE80211_IOC_ADDMAC:
2984 case IEEE80211_IOC_DELMAC:
2985 error = ieee80211_ioctl_macmac(vap, ireq);
2986 break;
2987 case IEEE80211_IOC_MACCMD:
2988 error = ieee80211_ioctl_setmaccmd(vap, ireq);
2989 break;
2990 case IEEE80211_IOC_STA_STATS:
2991 error = ieee80211_ioctl_setstastats(vap, ireq);
2992 break;
2993 case IEEE80211_IOC_STA_TXPOW:
2994 error = ieee80211_ioctl_setstatxpow(vap, ireq);
2995 break;
2996 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
2997 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
2998 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
2999 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
3000 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
3001 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */
3002 error = ieee80211_ioctl_setwmeparam(vap, ireq);
3003 break;
3004 case IEEE80211_IOC_DTIM_PERIOD:
3005 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3006 vap->iv_opmode != IEEE80211_M_MBSS &&
3007 vap->iv_opmode != IEEE80211_M_IBSS)
3008 return EINVAL;
3009 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
3010 ireq->i_val <= IEEE80211_DTIM_MAX) {
3011 vap->iv_dtim_period = ireq->i_val;
3012 error = ENETRESET; /* requires restart */
3013 } else
3014 error = EINVAL;
3015 break;
3016 case IEEE80211_IOC_BEACON_INTERVAL:
3017 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3018 vap->iv_opmode != IEEE80211_M_MBSS &&
3019 vap->iv_opmode != IEEE80211_M_IBSS)
3020 return EINVAL;
3021 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
3022 ireq->i_val <= IEEE80211_BINTVAL_MAX) {
3023 ic->ic_bintval = ireq->i_val;
3024 error = ENETRESET; /* requires restart */
3025 } else
3026 error = EINVAL;
3027 break;
3028 case IEEE80211_IOC_PUREG:
3029 if (ireq->i_val)
3030 vap->iv_flags |= IEEE80211_F_PUREG;
3031 else
3032 vap->iv_flags &= ~IEEE80211_F_PUREG;
3033 /* NB: reset only if we're operating on an 11g channel */
3034 if (isvap11g(vap))
3035 error = ENETRESET;
3036 break;
3037 case IEEE80211_IOC_QUIET:
3038 vap->iv_quiet= ireq->i_val;
3039 break;
3040 case IEEE80211_IOC_QUIET_COUNT:
3041 vap->iv_quiet_count=ireq->i_val;
3042 break;
3043 case IEEE80211_IOC_QUIET_PERIOD:
3044 vap->iv_quiet_period=ireq->i_val;
3045 break;
3046 case IEEE80211_IOC_QUIET_OFFSET:
3047 vap->iv_quiet_offset=ireq->i_val;
3048 break;
3049 case IEEE80211_IOC_QUIET_DUR:
3050 if(ireq->i_val < vap->iv_bss->ni_intval)
3051 vap->iv_quiet_duration = ireq->i_val;
3052 else
3053 error = EINVAL;
3054 break;
3055 case IEEE80211_IOC_BGSCAN:
3056 if (ireq->i_val) {
3057 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
3058 return EOPNOTSUPP;
3059 vap->iv_flags |= IEEE80211_F_BGSCAN;
3060 } else
3061 vap->iv_flags &= ~IEEE80211_F_BGSCAN;
3062 break;
3063 case IEEE80211_IOC_BGSCAN_IDLE:
3064 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
3065 vap->iv_bgscanidle = ireq->i_val*hz/1000;
3066 else
3067 error = EINVAL;
3068 break;
3069 case IEEE80211_IOC_BGSCAN_INTERVAL:
3070 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
3071 vap->iv_bgscanintvl = ireq->i_val*hz;
3072 else
3073 error = EINVAL;
3074 break;
3075 case IEEE80211_IOC_SCANVALID:
3076 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
3077 vap->iv_scanvalid = ireq->i_val*hz;
3078 else
3079 error = EINVAL;
3080 break;
3081 case IEEE80211_IOC_FRAGTHRESHOLD:
3082 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
3083 ireq->i_val != IEEE80211_FRAG_MAX)
3084 return EOPNOTSUPP;
3085 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
3086 ireq->i_val <= IEEE80211_FRAG_MAX))
3087 return EINVAL;
3088 vap->iv_fragthreshold = ireq->i_val;
3089 error = ERESTART;
3090 break;
3091 case IEEE80211_IOC_BURST:
3092 if (ireq->i_val) {
3093 if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
3094 return EOPNOTSUPP;
3095 ieee80211_syncflag(vap, IEEE80211_F_BURST);
3096 } else
3097 ieee80211_syncflag(vap, -IEEE80211_F_BURST);
3098 error = ERESTART;
3099 break;
3100 case IEEE80211_IOC_BMISSTHRESHOLD:
3101 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
3102 ireq->i_val <= IEEE80211_HWBMISS_MAX))
3103 return EINVAL;
3104 vap->iv_bmissthreshold = ireq->i_val;
3105 error = ERESTART;
3106 break;
3107 case IEEE80211_IOC_CURCHAN:
3108 error = ieee80211_ioctl_setcurchan(vap, ireq);
3109 break;
3110 case IEEE80211_IOC_SHORTGI:
3111 if (ireq->i_val) {
3112 #define IEEE80211_HTCAP_SHORTGI \
3113 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
3114 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
3115 return EINVAL;
3116 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
3117 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
3118 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
3119 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
3120 #undef IEEE80211_HTCAP_SHORTGI
3121 } else
3122 vap->iv_flags_ht &=
3123 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
3124 error = ERESTART;
3125 break;
3126 case IEEE80211_IOC_AMPDU:
3127 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
3128 return EINVAL;
3129 if (ireq->i_val & 1)
3130 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
3131 else
3132 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
3133 if (ireq->i_val & 2)
3134 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
3135 else
3136 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
3137 /* NB: reset only if we're operating on an 11n channel */
3138 if (isvapht(vap))
3139 error = ERESTART;
3140 break;
3141 case IEEE80211_IOC_AMPDU_LIMIT:
3142 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
3143 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
3144 return EINVAL;
3145 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3146 vap->iv_ampdu_rxmax = ireq->i_val;
3147 else
3148 vap->iv_ampdu_limit = ireq->i_val;
3149 error = ERESTART;
3150 break;
3151 case IEEE80211_IOC_AMPDU_DENSITY:
3152 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
3153 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
3154 return EINVAL;
3155 vap->iv_ampdu_density = ireq->i_val;
3156 error = ERESTART;
3157 break;
3158 case IEEE80211_IOC_AMSDU:
3159 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
3160 return EINVAL;
3161 if (ireq->i_val & 1)
3162 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
3163 else
3164 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
3165 if (ireq->i_val & 2)
3166 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
3167 else
3168 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
3169 /* NB: reset only if we're operating on an 11n channel */
3170 if (isvapht(vap))
3171 error = ERESTART;
3172 break;
3173 case IEEE80211_IOC_AMSDU_LIMIT:
3174 /* XXX validate */
3175 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */
3176 break;
3177 case IEEE80211_IOC_PUREN:
3178 if (ireq->i_val) {
3179 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3180 return EINVAL;
3181 vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3182 } else
3183 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3184 /* NB: reset only if we're operating on an 11n channel */
3185 if (isvapht(vap))
3186 error = ERESTART;
3187 break;
3188 case IEEE80211_IOC_DOTH:
3189 if (ireq->i_val) {
3190 #if 0
3191 /* XXX no capability */
3192 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3193 return EOPNOTSUPP;
3194 #endif
3195 vap->iv_flags |= IEEE80211_F_DOTH;
3196 } else
3197 vap->iv_flags &= ~IEEE80211_F_DOTH;
3198 error = ENETRESET;
3199 break;
3200 case IEEE80211_IOC_REGDOMAIN:
3201 error = ieee80211_ioctl_setregdomain(vap, ireq);
3202 break;
3203 case IEEE80211_IOC_ROAM:
3204 error = ieee80211_ioctl_setroam(vap, ireq);
3205 break;
3206 case IEEE80211_IOC_TXPARAMS:
3207 error = ieee80211_ioctl_settxparams(vap, ireq);
3208 break;
3209 case IEEE80211_IOC_HTCOMPAT:
3210 if (ireq->i_val) {
3211 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3212 return EOPNOTSUPP;
3213 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3214 } else
3215 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3216 /* NB: reset only if we're operating on an 11n channel */
3217 if (isvapht(vap))
3218 error = ERESTART;
3219 break;
3220 case IEEE80211_IOC_DWDS:
3221 if (ireq->i_val) {
3222 /* NB: DWDS only makes sense for WDS-capable devices */
3223 if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3224 return EOPNOTSUPP;
3225 /* NB: DWDS is used only with ap+sta vaps */
3226 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3227 vap->iv_opmode != IEEE80211_M_STA)
3228 return EINVAL;
3229 vap->iv_flags |= IEEE80211_F_DWDS;
3230 if (vap->iv_opmode == IEEE80211_M_STA)
3231 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3232 } else {
3233 vap->iv_flags &= ~IEEE80211_F_DWDS;
3234 if (vap->iv_opmode == IEEE80211_M_STA)
3235 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3236 }
3237 break;
3238 case IEEE80211_IOC_INACTIVITY:
3239 if (ireq->i_val)
3240 vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3241 else
3242 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3243 break;
3244 case IEEE80211_IOC_APPIE:
3245 error = ieee80211_ioctl_setappie(vap, ireq);
3246 break;
3247 case IEEE80211_IOC_WPS:
3248 if (ireq->i_val) {
3249 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3250 return EOPNOTSUPP;
3251 vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3252 } else
3253 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3254 break;
3255 case IEEE80211_IOC_TSN:
3256 if (ireq->i_val) {
3257 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3258 return EOPNOTSUPP;
3259 vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3260 } else
3261 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3262 break;
3263 case IEEE80211_IOC_CHANSWITCH:
3264 error = ieee80211_ioctl_chanswitch(vap, ireq);
3265 break;
3266 case IEEE80211_IOC_DFS:
3267 if (ireq->i_val) {
3268 if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3269 return EOPNOTSUPP;
3270 /* NB: DFS requires 11h support */
3271 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3272 return EINVAL;
3273 vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3274 } else
3275 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3276 break;
3277 case IEEE80211_IOC_DOTD:
3278 if (ireq->i_val)
3279 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3280 else
3281 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3282 if (vap->iv_opmode == IEEE80211_M_STA)
3283 error = ENETRESET;
3284 break;
3285 case IEEE80211_IOC_HTPROTMODE:
3286 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3287 return EINVAL;
3288 ic->ic_htprotmode = ireq->i_val ?
3289 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3290 /* NB: if not operating in 11n this can wait */
3291 if (isvapht(vap))
3292 error = ERESTART;
3293 break;
3294 case IEEE80211_IOC_STA_VLAN:
3295 error = ieee80211_ioctl_setstavlan(vap, ireq);
3296 break;
3297 case IEEE80211_IOC_SMPS:
3298 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3299 ireq->i_val == 0x0008) /* value of 2 is reserved */
3300 return EINVAL;
3301 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3302 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3303 return EOPNOTSUPP;
3304 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3305 ireq->i_val;
3306 /* NB: if not operating in 11n this can wait */
3307 if (isvapht(vap))
3308 error = ERESTART;
3309 break;
3310 case IEEE80211_IOC_RIFS:
3311 if (ireq->i_val != 0) {
3312 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3313 return EOPNOTSUPP;
3314 vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3315 } else
3316 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3317 /* NB: if not operating in 11n this can wait */
3318 if (isvapht(vap))
3319 error = ERESTART;
3320 break;
3321 case IEEE80211_IOC_STBC:
3322 /* Check if we can do STBC TX/RX before changing the setting */
3323 if ((ireq->i_val & 1) &&
3324 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0))
3325 return EOPNOTSUPP;
3326 if ((ireq->i_val & 2) &&
3327 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0))
3328 return EOPNOTSUPP;
3329
3330 /* TX */
3331 if (ireq->i_val & 1)
3332 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX;
3333 else
3334 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX;
3335
3336 /* RX */
3337 if (ireq->i_val & 2)
3338 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX;
3339 else
3340 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX;
3341
3342 /* NB: reset only if we're operating on an 11n channel */
3343 if (isvapht(vap))
3344 error = ERESTART;
3345 break;
3346 default:
3347 error = ieee80211_ioctl_setdefault(vap, ireq);
3348 break;
3349 }
3350 /*
3351 * The convention is that ENETRESET means an operation
3352 * requires a complete re-initialization of the device (e.g.
3353 * changing something that affects the association state).
3354 * ERESTART means the request may be handled with only a
3355 * reload of the hardware state. We hand ERESTART requests
3356 * to the iv_reset callback so the driver can decide. If
3357 * a device does not fillin iv_reset then it defaults to one
3358 * that returns ENETRESET. Otherwise a driver may return
3359 * ENETRESET (in which case a full reset will be done) or
3360 * 0 to mean there's no need to do anything (e.g. when the
3361 * change has no effect on the driver/device).
3362 */
3363 if (error == ERESTART)
3364 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3365 vap->iv_reset(vap, ireq->i_type) : 0;
3366 if (error == ENETRESET) {
3367 /* XXX need to re-think AUTO handling */
3368 if (IS_UP_AUTO(vap))
3369 ieee80211_init(vap);
3370 error = 0;
3371 }
3372 return error;
3373 }
3374
3375 #if defined(__DragonFly__)
3376 int
ieee80211_ioctl(struct ifnet * ifp,u_long cmd,caddr_t data,struct ucred * ucred)3377 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *ucred)
3378 #else
3379 int
3380 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3381 #endif
3382 {
3383 struct ieee80211vap *vap = ifp->if_softc;
3384 struct ieee80211com *ic = vap->iv_ic;
3385 int error = 0, wait = 0;
3386 struct ifreq *ifr;
3387 struct ifaddr *ifa; /* XXX */
3388
3389 switch (cmd) {
3390 case SIOCSIFFLAGS:
3391 IEEE80211_LOCK(ic);
3392 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) {
3393 /*
3394 * Enable promiscuous mode when:
3395 * 1. Interface is not a member of bridge, or
3396 * 2. Requested by user, or
3397 * 3. In monitor (or adhoc-demo) mode.
3398 */
3399 if (ifp->if_bridge == NULL ||
3400 (ifp->if_flags & IFF_PPROMISC) != 0 ||
3401 vap->iv_opmode == IEEE80211_M_MONITOR ||
3402 (vap->iv_opmode == IEEE80211_M_AHDEMO &&
3403 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) {
3404 ieee80211_promisc(vap,
3405 ifp->if_flags & IFF_PROMISC);
3406 vap->iv_ifflags ^= IFF_PROMISC;
3407 }
3408 }
3409 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) {
3410 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI);
3411 vap->iv_ifflags ^= IFF_ALLMULTI;
3412 }
3413 if (ifp->if_flags & IFF_UP) {
3414 /*
3415 * Bring ourself up unless we're already operational.
3416 * If we're the first vap and the parent is not up
3417 * then it will automatically be brought up as a
3418 * side-effect of bringing ourself up.
3419 */
3420 if (vap->iv_state == IEEE80211_S_INIT) {
3421 if (ic->ic_nrunning == 0)
3422 wait = 1;
3423 ieee80211_start_locked(vap);
3424 }
3425 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3426 /*
3427 * Stop ourself. If we are the last vap to be
3428 * marked down the parent will also be taken down.
3429 */
3430 if (ic->ic_nrunning == 1)
3431 wait = 1;
3432 ieee80211_stop_locked(vap);
3433 }
3434 IEEE80211_UNLOCK(ic);
3435 /* Wait for parent ioctl handler if it was queued */
3436 if (wait) {
3437 #if defined(__DragonFly__)
3438 /* DragonFly: release serializer to avoid deadlock */
3439 wlan_serialize_exit();
3440 #endif
3441 ieee80211_waitfor_parent(ic);
3442
3443 /*
3444 * Check if the MAC address was changed
3445 * via SIOCSIFLLADDR ioctl.
3446 */
3447 if ((ifp->if_flags & IFF_UP) == 0 &&
3448 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp)))
3449 IEEE80211_ADDR_COPY(vap->iv_myaddr,
3450 IF_LLADDR(ifp));
3451 #if defined(__DragonFly__)
3452 wlan_serialize_enter();
3453 #endif
3454 }
3455 break;
3456 case SIOCADDMULTI:
3457 case SIOCDELMULTI:
3458 /* DragonFly: serializer must be held */
3459 ieee80211_runtask(ic, &ic->ic_mcast_task);
3460 break;
3461 case SIOCSIFMEDIA:
3462 case SIOCGIFMEDIA:
3463 /* DragonFly: serializer must be held */
3464 ifr = (struct ifreq *)data;
3465 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3466 break;
3467 case SIOCG80211:
3468 error = ieee80211_ioctl_get80211(vap, cmd,
3469 (struct ieee80211req *) data);
3470 break;
3471 case SIOCS80211:
3472 error = caps_priv_check_self(SYSCAP_NONET_WIFI);
3473 if (error == 0)
3474 error = ieee80211_ioctl_set80211(vap, cmd,
3475 (struct ieee80211req *) data);
3476 break;
3477 case SIOCG80211STATS:
3478 ifr = (struct ifreq *)data;
3479 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats));
3480 break;
3481 case SIOCSIFMTU:
3482 ifr = (struct ifreq *)data;
3483 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3484 ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3485 error = EINVAL;
3486 else
3487 ifp->if_mtu = ifr->ifr_mtu;
3488 break;
3489 case SIOCSIFADDR:
3490 /*
3491 * XXX Handle this directly so we can suppress if_init calls.
3492 * XXX This should be done in ether_ioctl but for the moment
3493 * XXX there are too many other parts of the system that
3494 * XXX set IFF_UP and so suppress if_init being called when
3495 * XXX it should be.
3496 */
3497 ifa = (struct ifaddr *) data;
3498 switch (ifa->ifa_addr->sa_family) {
3499 #ifdef INET
3500 case AF_INET:
3501 if ((ifp->if_flags & IFF_UP) == 0) {
3502 ifp->if_flags |= IFF_UP;
3503 ifp->if_init(ifp->if_softc);
3504 }
3505 arp_ifinit(ifp, ifa);
3506 break;
3507 #endif
3508 default:
3509 if ((ifp->if_flags & IFF_UP) == 0) {
3510 ifp->if_flags |= IFF_UP;
3511 ifp->if_init(ifp->if_softc);
3512 }
3513 break;
3514 }
3515 break;
3516 default:
3517 /*
3518 * Pass unknown ioctls first to the driver, and if it
3519 * returns ENOTTY, then to the generic Ethernet handler.
3520 */
3521 if (ic->ic_ioctl != NULL &&
3522 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY)
3523 break;
3524 /* DragonFly: serializer must be held */
3525 error = ether_ioctl(ifp, cmd, data);
3526 break;
3527 }
3528 return (error);
3529 }
3530