29
30/*
31 * IEEE 802.11 ioctl support (FreeBSD-specific)
32 */
33
34#include "opt_inet.h"
35#include "opt_ipx.h"
36#include "opt_wlan.h"
37
38#include <sys/endian.h>
39#include <sys/param.h>
40#include <sys/kernel.h>
41#include <sys/priv.h>
42#include <sys/socket.h>
43#include <sys/sockio.h>
44#include <sys/systm.h>
45
46#include <net/if.h>
47#include <net/if_dl.h>
48#include <net/if_media.h>
49#include <net/ethernet.h>
50
51#ifdef INET
52#include <netinet/in.h>
53#include <netinet/if_ether.h>
54#endif
55
56#ifdef IPX
57#include <netipx/ipx.h>
58#include <netipx/ipx_if.h>
59#endif
60
61#include <net80211/ieee80211_var.h>
62#include <net80211/ieee80211_ioctl.h>
63#include <net80211/ieee80211_regdomain.h>
64#include <net80211/ieee80211_input.h>
65
66#define IS_UP_AUTO(_vap) \
67 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \
68 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
69
70static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
71static struct ieee80211_channel *findchannel(struct ieee80211com *,
72 int ieee, int mode);
73static int ieee80211_scanreq(struct ieee80211vap *,
74 struct ieee80211_scan_req *);
75
76static __noinline int
77ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
78{
79 struct ieee80211com *ic = vap->iv_ic;
80 struct ieee80211_node *ni;
81 struct ieee80211req_key ik;
82 struct ieee80211_key *wk;
83 const struct ieee80211_cipher *cip;
84 u_int kid;
85 int error;
86
87 if (ireq->i_len != sizeof(ik))
88 return EINVAL;
89 error = copyin(ireq->i_data, &ik, sizeof(ik));
90 if (error)
91 return error;
92 kid = ik.ik_keyix;
93 if (kid == IEEE80211_KEYIX_NONE) {
94 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
95 if (ni == NULL)
96 return ENOENT;
97 wk = &ni->ni_ucastkey;
98 } else {
99 if (kid >= IEEE80211_WEP_NKID)
100 return EINVAL;
101 wk = &vap->iv_nw_keys[kid];
102 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
103 ni = NULL;
104 }
105 cip = wk->wk_cipher;
106 ik.ik_type = cip->ic_cipher;
107 ik.ik_keylen = wk->wk_keylen;
108 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
109 if (wk->wk_keyix == vap->iv_def_txkey)
110 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
111 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
112 /* NB: only root can read key data */
113 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
114 ik.ik_keytsc = wk->wk_keytsc;
115 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
116 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
117 memcpy(ik.ik_keydata+wk->wk_keylen,
118 wk->wk_key + IEEE80211_KEYBUF_SIZE,
119 IEEE80211_MICBUF_SIZE);
120 ik.ik_keylen += IEEE80211_MICBUF_SIZE;
121 }
122 } else {
123 ik.ik_keyrsc = 0;
124 ik.ik_keytsc = 0;
125 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
126 }
127 if (ni != NULL)
128 ieee80211_free_node(ni);
129 return copyout(&ik, ireq->i_data, sizeof(ik));
130}
131
132static __noinline int
133ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
134{
135 struct ieee80211com *ic = vap->iv_ic;
136
137 if (sizeof(ic->ic_chan_active) < ireq->i_len)
138 ireq->i_len = sizeof(ic->ic_chan_active);
139 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
140}
141
142static __noinline int
143ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
144{
145 struct ieee80211com *ic = vap->iv_ic;
146 int space;
147
148 space = __offsetof(struct ieee80211req_chaninfo,
149 ic_chans[ic->ic_nchans]);
150 if (space > ireq->i_len)
151 space = ireq->i_len;
152 /* XXX assumes compatible layout */
153 return copyout(&ic->ic_nchans, ireq->i_data, space);
154}
155
156static __noinline int
157ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
158 struct ieee80211req *ireq, int req)
159{
160 struct ieee80211_node *ni;
161 struct ieee80211req_wpaie2 wpaie;
162 int error;
163
164 if (ireq->i_len < IEEE80211_ADDR_LEN)
165 return EINVAL;
166 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN);
167 if (error != 0)
168 return error;
169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr);
170 if (ni == NULL)
171 return ENOENT;
172 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie));
173 if (ni->ni_ies.wpa_ie != NULL) {
174 int ielen = ni->ni_ies.wpa_ie[1] + 2;
175 if (ielen > sizeof(wpaie.wpa_ie))
176 ielen = sizeof(wpaie.wpa_ie);
177 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen);
178 }
179 if (req == IEEE80211_IOC_WPAIE2) {
180 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie));
181 if (ni->ni_ies.rsn_ie != NULL) {
182 int ielen = ni->ni_ies.rsn_ie[1] + 2;
183 if (ielen > sizeof(wpaie.rsn_ie))
184 ielen = sizeof(wpaie.rsn_ie);
185 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen);
186 }
187 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
188 ireq->i_len = sizeof(struct ieee80211req_wpaie2);
189 } else {
190 /* compatibility op, may overwrite wpa ie */
191 /* XXX check ic_flags? */
192 if (ni->ni_ies.rsn_ie != NULL) {
193 int ielen = ni->ni_ies.rsn_ie[1] + 2;
194 if (ielen > sizeof(wpaie.wpa_ie))
195 ielen = sizeof(wpaie.wpa_ie);
196 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen);
197 }
198 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
199 ireq->i_len = sizeof(struct ieee80211req_wpaie);
200 }
201 ieee80211_free_node(ni);
202 return copyout(&wpaie, ireq->i_data, ireq->i_len);
203}
204
205static __noinline int
206ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
207{
208 struct ieee80211_node *ni;
209 uint8_t macaddr[IEEE80211_ADDR_LEN];
210 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats);
211 int error;
212
213 if (ireq->i_len < off)
214 return EINVAL;
215 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
216 if (error != 0)
217 return error;
218 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
219 if (ni == NULL)
220 return ENOENT;
221 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
222 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
223 /* NB: copy out only the statistics */
224 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
225 ireq->i_len - off);
226 ieee80211_free_node(ni);
227 return error;
228}
229
230struct scanreq {
231 struct ieee80211req_scan_result *sr;
232 size_t space;
233};
234
235static size_t
236scan_space(const struct ieee80211_scan_entry *se, int *ielen)
237{
238 size_t len;
239
240 *ielen = se->se_ies.len;
241 /*
242 * NB: ie's can be no more than 255 bytes and the max 802.11
243 * packet is <3Kbytes so we are sure this doesn't overflow
244 * 16-bits; if this is a concern we can drop the ie's.
245 */
246 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] +
247 se->se_meshid[1] + *ielen;
248 return roundup(len, sizeof(uint32_t));
249}
250
251static void
252get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
253{
254 struct scanreq *req = arg;
255 int ielen;
256
257 req->space += scan_space(se, &ielen);
258}
259
260static __noinline void
261get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
262{
263 struct scanreq *req = arg;
264 struct ieee80211req_scan_result *sr;
265 int ielen, len, nr, nxr;
266 uint8_t *cp;
267
268 len = scan_space(se, &ielen);
269 if (len > req->space)
270 return;
271
272 sr = req->sr;
273 KASSERT(len <= 65535 && ielen <= 65535,
274 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
275 sr->isr_len = len;
276 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
277 sr->isr_ie_len = ielen;
278 sr->isr_freq = se->se_chan->ic_freq;
279 sr->isr_flags = se->se_chan->ic_flags;
280 sr->isr_rssi = se->se_rssi;
281 sr->isr_noise = se->se_noise;
282 sr->isr_intval = se->se_intval;
283 sr->isr_capinfo = se->se_capinfo;
284 sr->isr_erp = se->se_erp;
285 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
286 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
287 memcpy(sr->isr_rates, se->se_rates+2, nr);
288 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
289 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
290 sr->isr_nrates = nr + nxr;
291
292 /* copy SSID */
293 sr->isr_ssid_len = se->se_ssid[1];
294 cp = ((uint8_t *)sr) + sr->isr_ie_off;
295 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
296
297 /* copy mesh id */
298 cp += sr->isr_ssid_len;
299 sr->isr_meshid_len = se->se_meshid[1];
300 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len);
301 cp += sr->isr_meshid_len;
302
303 if (ielen)
304 memcpy(cp, se->se_ies.data, ielen);
305
306 req->space -= len;
307 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
308}
309
310static __noinline int
311ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
312 struct ieee80211req *ireq)
313{
314 struct scanreq req;
315 int error;
316
317 if (ireq->i_len < sizeof(struct scanreq))
318 return EFAULT;
319
320 error = 0;
321 req.space = 0;
322 ieee80211_scan_iterate(vap, get_scan_space, &req);
323 if (req.space > ireq->i_len)
324 req.space = ireq->i_len;
325 if (req.space > 0) {
326 size_t space;
327 void *p;
328
329 space = req.space;
330 /* XXX M_WAITOK after driver lock released */
331 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO);
332 if (p == NULL)
333 return ENOMEM;
334 req.sr = p;
335 ieee80211_scan_iterate(vap, get_scan_result, &req);
336 ireq->i_len = space - req.space;
337 error = copyout(p, ireq->i_data, ireq->i_len);
338 free(p, M_TEMP);
339 } else
340 ireq->i_len = 0;
341
342 return error;
343}
344
345struct stainforeq {
346 struct ieee80211vap *vap;
347 struct ieee80211req_sta_info *si;
348 size_t space;
349};
350
351static size_t
352sta_space(const struct ieee80211_node *ni, size_t *ielen)
353{
354 *ielen = ni->ni_ies.len;
355 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
356 sizeof(uint32_t));
357}
358
359static void
360get_sta_space(void *arg, struct ieee80211_node *ni)
361{
362 struct stainforeq *req = arg;
363 size_t ielen;
364
365 if (req->vap != ni->ni_vap)
366 return;
367 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
368 ni->ni_associd == 0) /* only associated stations */
369 return;
370 req->space += sta_space(ni, &ielen);
371}
372
373static __noinline void
374get_sta_info(void *arg, struct ieee80211_node *ni)
375{
376 struct stainforeq *req = arg;
377 struct ieee80211vap *vap = ni->ni_vap;
378 struct ieee80211req_sta_info *si;
379 size_t ielen, len;
380 uint8_t *cp;
381
382 if (req->vap != ni->ni_vap)
383 return;
384 if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
385 ni->ni_associd == 0) /* only associated stations */
386 return;
387 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
388 return;
389 len = sta_space(ni, &ielen);
390 if (len > req->space)
391 return;
392 si = req->si;
393 si->isi_len = len;
394 si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
395 si->isi_ie_len = ielen;
396 si->isi_freq = ni->ni_chan->ic_freq;
397 si->isi_flags = ni->ni_chan->ic_flags;
398 si->isi_state = ni->ni_flags;
399 si->isi_authmode = ni->ni_authmode;
400 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
401 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
402 si->isi_capinfo = ni->ni_capinfo;
403 si->isi_erp = ni->ni_erp;
404 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
405 si->isi_nrates = ni->ni_rates.rs_nrates;
406 if (si->isi_nrates > 15)
407 si->isi_nrates = 15;
408 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
409 si->isi_txrate = ni->ni_txrate;
410 if (si->isi_txrate & IEEE80211_RATE_MCS) {
411 const struct ieee80211_mcs_rates *mcs =
412 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
413 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
414 if (ni->ni_flags & IEEE80211_NODE_SGI40)
415 si->isi_txmbps = mcs->ht40_rate_800ns;
416 else
417 si->isi_txmbps = mcs->ht40_rate_400ns;
418 } else {
419 if (ni->ni_flags & IEEE80211_NODE_SGI20)
420 si->isi_txmbps = mcs->ht20_rate_800ns;
421 else
422 si->isi_txmbps = mcs->ht20_rate_400ns;
423 }
424 } else
425 si->isi_txmbps = si->isi_txrate;
426 si->isi_associd = ni->ni_associd;
427 si->isi_txpower = ni->ni_txpower;
428 si->isi_vlan = ni->ni_vlan;
429 if (ni->ni_flags & IEEE80211_NODE_QOS) {
430 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
431 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
432 } else {
433 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
434 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
435 }
436 /* NB: leave all cases in case we relax ni_associd == 0 check */
437 if (ieee80211_node_is_authorized(ni))
438 si->isi_inact = vap->iv_inact_run;
439 else if (ni->ni_associd != 0 ||
440 (vap->iv_opmode == IEEE80211_M_WDS &&
441 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
442 si->isi_inact = vap->iv_inact_auth;
443 else
444 si->isi_inact = vap->iv_inact_init;
445 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
446 si->isi_localid = ni->ni_mllid;
447 si->isi_peerid = ni->ni_mlpid;
448 si->isi_peerstate = ni->ni_mlstate;
449
450 if (ielen) {
451 cp = ((uint8_t *)si) + si->isi_ie_off;
452 memcpy(cp, ni->ni_ies.data, ielen);
453 }
454
455 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
456 req->space -= len;
457}
458
459static __noinline int
460getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
461 struct ieee80211_node *ni, int off)
462{
463 struct ieee80211com *ic = vap->iv_ic;
464 struct stainforeq req;
465 size_t space;
466 void *p;
467 int error;
468
469 error = 0;
470 req.space = 0;
471 req.vap = vap;
472 if (ni == NULL)
473 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
474 else
475 get_sta_space(&req, ni);
476 if (req.space > ireq->i_len)
477 req.space = ireq->i_len;
478 if (req.space > 0) {
479 space = req.space;
480 /* XXX M_WAITOK after driver lock released */
481 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO);
482 if (p == NULL) {
483 error = ENOMEM;
484 goto bad;
485 }
486 req.si = p;
487 if (ni == NULL)
488 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
489 else
490 get_sta_info(&req, ni);
491 ireq->i_len = space - req.space;
492 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
493 free(p, M_TEMP);
494 } else
495 ireq->i_len = 0;
496bad:
497 if (ni != NULL)
498 ieee80211_free_node(ni);
499 return error;
500}
501
502static __noinline int
503ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
504{
505 uint8_t macaddr[IEEE80211_ADDR_LEN];
506 const int off = __offsetof(struct ieee80211req_sta_req, info);
507 struct ieee80211_node *ni;
508 int error;
509
510 if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
511 return EFAULT;
512 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
513 if (error != 0)
514 return error;
515 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
516 ni = NULL;
517 } else {
518 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
519 if (ni == NULL)
520 return ENOENT;
521 }
522 return getstainfo_common(vap, ireq, ni, off);
523}
524
525static __noinline int
526ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
527{
528 struct ieee80211_node *ni;
529 struct ieee80211req_sta_txpow txpow;
530 int error;
531
532 if (ireq->i_len != sizeof(txpow))
533 return EINVAL;
534 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
535 if (error != 0)
536 return error;
537 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
538 if (ni == NULL)
539 return ENOENT;
540 txpow.it_txpow = ni->ni_txpower;
541 error = copyout(&txpow, ireq->i_data, sizeof(txpow));
542 ieee80211_free_node(ni);
543 return error;
544}
545
546static __noinline int
547ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
548{
549 struct ieee80211com *ic = vap->iv_ic;
550 struct ieee80211_wme_state *wme = &ic->ic_wme;
551 struct wmeParams *wmep;
552 int ac;
553
554 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
555 return EINVAL;
556
557 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
558 if (ac >= WME_NUM_AC)
559 ac = WME_AC_BE;
560 if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
561 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
562 else
563 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
564 switch (ireq->i_type) {
565 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
566 ireq->i_val = wmep->wmep_logcwmin;
567 break;
568 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
569 ireq->i_val = wmep->wmep_logcwmax;
570 break;
571 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
572 ireq->i_val = wmep->wmep_aifsn;
573 break;
574 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
575 ireq->i_val = wmep->wmep_txopLimit;
576 break;
577 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
578 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
579 ireq->i_val = wmep->wmep_acm;
580 break;
581 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
582 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
583 ireq->i_val = !wmep->wmep_noackPolicy;
584 break;
585 }
586 return 0;
587}
588
589static __noinline int
590ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
591{
592 const struct ieee80211_aclator *acl = vap->iv_acl;
593
594 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
595}
596
597static __noinline int
598ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
599{
600 struct ieee80211com *ic = vap->iv_ic;
601 struct ieee80211_channel *c;
602
603 if (ireq->i_len != sizeof(struct ieee80211_channel))
604 return EINVAL;
605 /*
606 * vap's may have different operating channels when HT is
607 * in use. When in RUN state report the vap-specific channel.
608 * Otherwise return curchan.
609 */
610 if (vap->iv_state == IEEE80211_S_RUN)
611 c = vap->iv_bss->ni_chan;
612 else
613 c = ic->ic_curchan;
614 return copyout(c, ireq->i_data, sizeof(*c));
615}
616
617static int
618getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
619{
620 if (aie == NULL)
621 return EINVAL;
622 /* NB: truncate, caller can check length */
623 if (ireq->i_len > aie->ie_len)
624 ireq->i_len = aie->ie_len;
625 return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
626}
627
628static int
629ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
630{
631 uint8_t fc0;
632
633 fc0 = ireq->i_val & 0xff;
634 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
635 return EINVAL;
636 /* NB: could check iv_opmode and reject but hardly worth the effort */
637 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
638 case IEEE80211_FC0_SUBTYPE_BEACON:
639 return getappie(vap->iv_appie_beacon, ireq);
640 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
641 return getappie(vap->iv_appie_proberesp, ireq);
642 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
643 return getappie(vap->iv_appie_assocresp, ireq);
644 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
645 return getappie(vap->iv_appie_probereq, ireq);
646 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
647 return getappie(vap->iv_appie_assocreq, ireq);
648 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
649 return getappie(vap->iv_appie_wpa, ireq);
650 }
651 return EINVAL;
652}
653
654static __noinline int
655ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
656 const struct ieee80211req *ireq)
657{
658 struct ieee80211com *ic = vap->iv_ic;
659
660 if (ireq->i_len != sizeof(ic->ic_regdomain))
661 return EINVAL;
662 return copyout(&ic->ic_regdomain, ireq->i_data,
663 sizeof(ic->ic_regdomain));
664}
665
666static __noinline int
667ieee80211_ioctl_getroam(struct ieee80211vap *vap,
668 const struct ieee80211req *ireq)
669{
670 size_t len = ireq->i_len;
671 /* NB: accept short requests for backwards compat */
672 if (len > sizeof(vap->iv_roamparms))
673 len = sizeof(vap->iv_roamparms);
674 return copyout(vap->iv_roamparms, ireq->i_data, len);
675}
676
677static __noinline int
678ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
679 const struct ieee80211req *ireq)
680{
681 size_t len = ireq->i_len;
682 /* NB: accept short requests for backwards compat */
683 if (len > sizeof(vap->iv_txparms))
684 len = sizeof(vap->iv_txparms);
685 return copyout(vap->iv_txparms, ireq->i_data, len);
686}
687
688static __noinline int
689ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
690 const struct ieee80211req *ireq)
691{
692 struct ieee80211_devcaps_req *dc;
693 struct ieee80211req_chaninfo *ci;
694 int maxchans, error;
695
696 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
697 sizeof(struct ieee80211_channel));
698 /* NB: require 1 so we know ic_nchans is accessible */
699 if (maxchans < 1)
700 return EINVAL;
701 /* constrain max request size, 2K channels is ~24Kbytes */
702 if (maxchans > 2048)
703 maxchans = 2048;
704 dc = (struct ieee80211_devcaps_req *)
705 malloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_NOWAIT | M_ZERO);
706 if (dc == NULL)
707 return ENOMEM;
708 dc->dc_drivercaps = ic->ic_caps;
709 dc->dc_cryptocaps = ic->ic_cryptocaps;
710 dc->dc_htcaps = ic->ic_htcaps;
711 ci = &dc->dc_chaninfo;
712 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans);
713 KASSERT(ci->ic_nchans <= maxchans,
714 ("nchans %d maxchans %d", ci->ic_nchans, maxchans));
715 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
716 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc));
717 free(dc, M_TEMP);
718 return error;
719}
720
721static __noinline int
722ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
723{
724 struct ieee80211_node *ni;
725 struct ieee80211req_sta_vlan vlan;
726 int error;
727
728 if (ireq->i_len != sizeof(vlan))
729 return EINVAL;
730 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
731 if (error != 0)
732 return error;
733 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
734 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
735 vlan.sv_macaddr);
736 if (ni == NULL)
737 return ENOENT;
738 } else
739 ni = ieee80211_ref_node(vap->iv_bss);
740 vlan.sv_vlan = ni->ni_vlan;
741 error = copyout(&vlan, ireq->i_data, sizeof(vlan));
742 ieee80211_free_node(ni);
743 return error;
744}
745
746/*
747 * Dummy ioctl get handler so the linker set is defined.
748 */
749static int
750dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq)
751{
752 return ENOSYS;
753}
754IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get);
755
756static int
757ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
758{
759 ieee80211_ioctl_getfunc * const *get;
760 int error;
761
762 SET_FOREACH(get, ieee80211_ioctl_getset) {
763 error = (*get)(vap, ireq);
764 if (error != ENOSYS)
765 return error;
766 }
767 return EINVAL;
768}
769
770/*
771 * When building the kernel with -O2 on the i386 architecture, gcc
772 * seems to want to inline this function into ieee80211_ioctl()
773 * (which is the only routine that calls it). When this happens,
774 * ieee80211_ioctl() ends up consuming an additional 2K of stack
775 * space. (Exactly why it needs so much is unclear.) The problem
776 * is that it's possible for ieee80211_ioctl() to invoke other
777 * routines (including driver init functions) which could then find
778 * themselves perilously close to exhausting the stack.
779 *
780 * To avoid this, we deliberately prevent gcc from inlining this
781 * routine. Another way to avoid this is to use less agressive
782 * optimization when compiling this file (i.e. -O instead of -O2)
783 * but special-casing the compilation of this one module in the
784 * build system would be awkward.
785 */
786static __noinline int
787ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
788 struct ieee80211req *ireq)
789{
790#define MS(_v, _f) (((_v) & _f) >> _f##_S)
791 struct ieee80211com *ic = vap->iv_ic;
792 u_int kid, len;
793 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
794 char tmpssid[IEEE80211_NWID_LEN];
795 int error = 0;
796
797 switch (ireq->i_type) {
798 case IEEE80211_IOC_SSID:
799 switch (vap->iv_state) {
800 case IEEE80211_S_INIT:
801 case IEEE80211_S_SCAN:
802 ireq->i_len = vap->iv_des_ssid[0].len;
803 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
804 break;
805 default:
806 ireq->i_len = vap->iv_bss->ni_esslen;
807 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
808 break;
809 }
810 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
811 break;
812 case IEEE80211_IOC_NUMSSIDS:
813 ireq->i_val = 1;
814 break;
815 case IEEE80211_IOC_WEP:
816 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
817 ireq->i_val = IEEE80211_WEP_OFF;
818 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
819 ireq->i_val = IEEE80211_WEP_ON;
820 else
821 ireq->i_val = IEEE80211_WEP_MIXED;
822 break;
823 case IEEE80211_IOC_WEPKEY:
824 kid = (u_int) ireq->i_val;
825 if (kid >= IEEE80211_WEP_NKID)
826 return EINVAL;
827 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
828 /* NB: only root can read WEP keys */
829 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
830 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
831 } else {
832 bzero(tmpkey, len);
833 }
834 ireq->i_len = len;
835 error = copyout(tmpkey, ireq->i_data, len);
836 break;
837 case IEEE80211_IOC_NUMWEPKEYS:
838 ireq->i_val = IEEE80211_WEP_NKID;
839 break;
840 case IEEE80211_IOC_WEPTXKEY:
841 ireq->i_val = vap->iv_def_txkey;
842 break;
843 case IEEE80211_IOC_AUTHMODE:
844 if (vap->iv_flags & IEEE80211_F_WPA)
845 ireq->i_val = IEEE80211_AUTH_WPA;
846 else
847 ireq->i_val = vap->iv_bss->ni_authmode;
848 break;
849 case IEEE80211_IOC_CHANNEL:
850 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
851 break;
852 case IEEE80211_IOC_POWERSAVE:
853 if (vap->iv_flags & IEEE80211_F_PMGTON)
854 ireq->i_val = IEEE80211_POWERSAVE_ON;
855 else
856 ireq->i_val = IEEE80211_POWERSAVE_OFF;
857 break;
858 case IEEE80211_IOC_POWERSAVESLEEP:
859 ireq->i_val = ic->ic_lintval;
860 break;
861 case IEEE80211_IOC_RTSTHRESHOLD:
862 ireq->i_val = vap->iv_rtsthreshold;
863 break;
864 case IEEE80211_IOC_PROTMODE:
865 ireq->i_val = ic->ic_protmode;
866 break;
867 case IEEE80211_IOC_TXPOWER:
868 /*
869 * Tx power limit is the min of max regulatory
870 * power, any user-set limit, and the max the
871 * radio can do.
872 */
873 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
874 if (ireq->i_val > ic->ic_txpowlimit)
875 ireq->i_val = ic->ic_txpowlimit;
876 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
877 ireq->i_val = ic->ic_curchan->ic_maxpower;
878 break;
879 case IEEE80211_IOC_WPA:
880 switch (vap->iv_flags & IEEE80211_F_WPA) {
881 case IEEE80211_F_WPA1:
882 ireq->i_val = 1;
883 break;
884 case IEEE80211_F_WPA2:
885 ireq->i_val = 2;
886 break;
887 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
888 ireq->i_val = 3;
889 break;
890 default:
891 ireq->i_val = 0;
892 break;
893 }
894 break;
895 case IEEE80211_IOC_CHANLIST:
896 error = ieee80211_ioctl_getchanlist(vap, ireq);
897 break;
898 case IEEE80211_IOC_ROAMING:
899 ireq->i_val = vap->iv_roaming;
900 break;
901 case IEEE80211_IOC_PRIVACY:
902 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
903 break;
904 case IEEE80211_IOC_DROPUNENCRYPTED:
905 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
906 break;
907 case IEEE80211_IOC_COUNTERMEASURES:
908 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
909 break;
910 case IEEE80211_IOC_WME:
911 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
912 break;
913 case IEEE80211_IOC_HIDESSID:
914 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
915 break;
916 case IEEE80211_IOC_APBRIDGE:
917 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
918 break;
919 case IEEE80211_IOC_WPAKEY:
920 error = ieee80211_ioctl_getkey(vap, ireq);
921 break;
922 case IEEE80211_IOC_CHANINFO:
923 error = ieee80211_ioctl_getchaninfo(vap, ireq);
924 break;
925 case IEEE80211_IOC_BSSID:
926 if (ireq->i_len != IEEE80211_ADDR_LEN)
927 return EINVAL;
928 if (vap->iv_state == IEEE80211_S_RUN) {
929 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ?
930 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid,
931 ireq->i_data, ireq->i_len);
932 } else
933 error = copyout(vap->iv_des_bssid, ireq->i_data,
934 ireq->i_len);
935 break;
936 case IEEE80211_IOC_WPAIE:
937 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
938 break;
939 case IEEE80211_IOC_WPAIE2:
940 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
941 break;
942 case IEEE80211_IOC_SCAN_RESULTS:
943 error = ieee80211_ioctl_getscanresults(vap, ireq);
944 break;
945 case IEEE80211_IOC_STA_STATS:
946 error = ieee80211_ioctl_getstastats(vap, ireq);
947 break;
948 case IEEE80211_IOC_TXPOWMAX:
949 ireq->i_val = vap->iv_bss->ni_txpower;
950 break;
951 case IEEE80211_IOC_STA_TXPOW:
952 error = ieee80211_ioctl_getstatxpow(vap, ireq);
953 break;
954 case IEEE80211_IOC_STA_INFO:
955 error = ieee80211_ioctl_getstainfo(vap, ireq);
956 break;
957 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
958 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
959 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
960 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
961 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
962 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
963 error = ieee80211_ioctl_getwmeparam(vap, ireq);
964 break;
965 case IEEE80211_IOC_DTIM_PERIOD:
966 ireq->i_val = vap->iv_dtim_period;
967 break;
968 case IEEE80211_IOC_BEACON_INTERVAL:
969 /* NB: get from ic_bss for station mode */
970 ireq->i_val = vap->iv_bss->ni_intval;
971 break;
972 case IEEE80211_IOC_PUREG:
973 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
974 break;
975 case IEEE80211_IOC_BGSCAN:
976 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
977 break;
978 case IEEE80211_IOC_BGSCAN_IDLE:
979 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */
980 break;
981 case IEEE80211_IOC_BGSCAN_INTERVAL:
982 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */
983 break;
984 case IEEE80211_IOC_SCANVALID:
985 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */
986 break;
987 case IEEE80211_IOC_FRAGTHRESHOLD:
988 ireq->i_val = vap->iv_fragthreshold;
989 break;
990 case IEEE80211_IOC_MACCMD:
991 error = ieee80211_ioctl_getmaccmd(vap, ireq);
992 break;
993 case IEEE80211_IOC_BURST:
994 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
995 break;
996 case IEEE80211_IOC_BMISSTHRESHOLD:
997 ireq->i_val = vap->iv_bmissthreshold;
998 break;
999 case IEEE80211_IOC_CURCHAN:
1000 error = ieee80211_ioctl_getcurchan(vap, ireq);
1001 break;
1002 case IEEE80211_IOC_SHORTGI:
1003 ireq->i_val = 0;
1004 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1005 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
1006 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1007 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
1008 break;
1009 case IEEE80211_IOC_AMPDU:
1010 ireq->i_val = 0;
1011 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1012 ireq->i_val |= 1;
1013 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1014 ireq->i_val |= 2;
1015 break;
1016 case IEEE80211_IOC_AMPDU_LIMIT:
1017 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1018 ireq->i_val = vap->iv_ampdu_rxmax;
1019 else if (vap->iv_state == IEEE80211_S_RUN)
1020 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1021 IEEE80211_HTCAP_MAXRXAMPDU);
1022 else
1023 ireq->i_val = vap->iv_ampdu_limit;
1024 break;
1025 case IEEE80211_IOC_AMPDU_DENSITY:
1026 if (vap->iv_opmode == IEEE80211_M_STA &&
1027 vap->iv_state == IEEE80211_S_RUN)
1028 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1029 IEEE80211_HTCAP_MPDUDENSITY);
1030 else
1031 ireq->i_val = vap->iv_ampdu_density;
1032 break;
1033 case IEEE80211_IOC_AMSDU:
1034 ireq->i_val = 0;
1035 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1036 ireq->i_val |= 1;
1037 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1038 ireq->i_val |= 2;
1039 break;
1040 case IEEE80211_IOC_AMSDU_LIMIT:
1041 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */
1042 break;
1043 case IEEE80211_IOC_PUREN:
1044 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1045 break;
1046 case IEEE80211_IOC_DOTH:
1047 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1048 break;
1049 case IEEE80211_IOC_REGDOMAIN:
1050 error = ieee80211_ioctl_getregdomain(vap, ireq);
1051 break;
1052 case IEEE80211_IOC_ROAM:
1053 error = ieee80211_ioctl_getroam(vap, ireq);
1054 break;
1055 case IEEE80211_IOC_TXPARAMS:
1056 error = ieee80211_ioctl_gettxparams(vap, ireq);
1057 break;
1058 case IEEE80211_IOC_HTCOMPAT:
1059 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1060 break;
1061 case IEEE80211_IOC_DWDS:
1062 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1063 break;
1064 case IEEE80211_IOC_INACTIVITY:
1065 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1066 break;
1067 case IEEE80211_IOC_APPIE:
1068 error = ieee80211_ioctl_getappie(vap, ireq);
1069 break;
1070 case IEEE80211_IOC_WPS:
1071 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1072 break;
1073 case IEEE80211_IOC_TSN:
1074 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1075 break;
1076 case IEEE80211_IOC_DFS:
1077 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1078 break;
1079 case IEEE80211_IOC_DOTD:
1080 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1081 break;
1082 case IEEE80211_IOC_DEVCAPS:
1083 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1084 break;
1085 case IEEE80211_IOC_HTPROTMODE:
1086 ireq->i_val = ic->ic_htprotmode;
1087 break;
1088 case IEEE80211_IOC_HTCONF:
1089 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1090 ireq->i_val = 1;
1091 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1092 ireq->i_val |= 2;
1093 } else
1094 ireq->i_val = 0;
1095 break;
1096 case IEEE80211_IOC_STA_VLAN:
1097 error = ieee80211_ioctl_getstavlan(vap, ireq);
1098 break;
1099 case IEEE80211_IOC_SMPS:
1100 if (vap->iv_opmode == IEEE80211_M_STA &&
1101 vap->iv_state == IEEE80211_S_RUN) {
1102 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1103 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1104 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1105 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1106 else
1107 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1108 } else
1109 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1110 break;
1111 case IEEE80211_IOC_RIFS:
1112 if (vap->iv_opmode == IEEE80211_M_STA &&
1113 vap->iv_state == IEEE80211_S_RUN)
1114 ireq->i_val =
1115 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1116 else
1117 ireq->i_val =
1118 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1119 break;
1120 default:
1121 error = ieee80211_ioctl_getdefault(vap, ireq);
1122 break;
1123 }
1124 return error;
1125#undef MS
1126}
1127
1128static __noinline int
1129ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1130{
1131 struct ieee80211req_key ik;
1132 struct ieee80211_node *ni;
1133 struct ieee80211_key *wk;
1134 uint16_t kid;
1135 int error, i;
1136
1137 if (ireq->i_len != sizeof(ik))
1138 return EINVAL;
1139 error = copyin(ireq->i_data, &ik, sizeof(ik));
1140 if (error)
1141 return error;
1142 /* NB: cipher support is verified by ieee80211_crypt_newkey */
1143 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1144 if (ik.ik_keylen > sizeof(ik.ik_keydata))
1145 return E2BIG;
1146 kid = ik.ik_keyix;
1147 if (kid == IEEE80211_KEYIX_NONE) {
1148 /* XXX unicast keys currently must be tx/rx */
1149 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1150 return EINVAL;
1151 if (vap->iv_opmode == IEEE80211_M_STA) {
1152 ni = ieee80211_ref_node(vap->iv_bss);
1153 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1154 ieee80211_free_node(ni);
1155 return EADDRNOTAVAIL;
1156 }
1157 } else {
1158 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1159 ik.ik_macaddr);
1160 if (ni == NULL)
1161 return ENOENT;
1162 }
1163 wk = &ni->ni_ucastkey;
1164 } else {
1165 if (kid >= IEEE80211_WEP_NKID)
1166 return EINVAL;
1167 wk = &vap->iv_nw_keys[kid];
1168 /*
1169 * Global slots start off w/o any assigned key index.
1170 * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1171 */
1172 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1173 wk->wk_keyix = kid;
1174 ni = NULL;
1175 }
1176 error = 0;
1177 ieee80211_key_update_begin(vap);
1178 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1179 wk->wk_keylen = ik.ik_keylen;
1180 /* NB: MIC presence is implied by cipher type */
1181 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1182 wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1183 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1184 wk->wk_keyrsc[i] = ik.ik_keyrsc;
1185 wk->wk_keytsc = 0; /* new key, reset */
1186 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1187 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1188 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1189 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr);
1190 if (!ieee80211_crypto_setkey(vap, wk))
1191 error = EIO;
1192 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1193 vap->iv_def_txkey = kid;
1194 } else
1195 error = ENXIO;
1196 ieee80211_key_update_end(vap);
1197 if (ni != NULL)
1198 ieee80211_free_node(ni);
1199 return error;
1200}
1201
1202static __noinline int
1203ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1204{
1205 struct ieee80211req_del_key dk;
1206 int kid, error;
1207
1208 if (ireq->i_len != sizeof(dk))
1209 return EINVAL;
1210 error = copyin(ireq->i_data, &dk, sizeof(dk));
1211 if (error)
1212 return error;
1213 kid = dk.idk_keyix;
1214 /* XXX uint8_t -> uint16_t */
1215 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1216 struct ieee80211_node *ni;
1217
1218 if (vap->iv_opmode == IEEE80211_M_STA) {
1219 ni = ieee80211_ref_node(vap->iv_bss);
1220 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1221 ieee80211_free_node(ni);
1222 return EADDRNOTAVAIL;
1223 }
1224 } else {
1225 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1226 dk.idk_macaddr);
1227 if (ni == NULL)
1228 return ENOENT;
1229 }
1230 /* XXX error return */
1231 ieee80211_node_delucastkey(ni);
1232 ieee80211_free_node(ni);
1233 } else {
1234 if (kid >= IEEE80211_WEP_NKID)
1235 return EINVAL;
1236 /* XXX error return */
1237 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1238 }
1239 return 0;
1240}
1241
1242struct mlmeop {
1243 struct ieee80211vap *vap;
1244 int op;
1245 int reason;
1246};
1247
1248static void
1249mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1250 int op, int reason)
1251{
1252#ifdef IEEE80211_DEBUG
1253 static const struct {
1254 int mask;
1255 const char *opstr;
1256 } ops[] = {
1257 { 0, "op#0" },
1258 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1259 IEEE80211_MSG_ASSOC, "assoc" },
1260 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1261 IEEE80211_MSG_ASSOC, "disassoc" },
1262 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1263 IEEE80211_MSG_AUTH, "deauth" },
1264 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1265 IEEE80211_MSG_AUTH, "authorize" },
1266 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1267 IEEE80211_MSG_AUTH, "unauthorize" },
1268 };
1269
1270 if (op == IEEE80211_MLME_AUTH) {
1271 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1272 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1273 "station authenticate %s via MLME (reason %d)",
1274 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1275 reason);
1276 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1277 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1278 "unknown MLME request %d (reason %d)", op, reason);
1279 } else if (reason == IEEE80211_STATUS_SUCCESS) {
1280 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1281 "station %s via MLME", ops[op].opstr);
1282 } else {
1283 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1284 "station %s via MLME (reason %d)", ops[op].opstr, reason);
1285 }
1286#endif /* IEEE80211_DEBUG */
1287}
1288
1289static void
1290domlme(void *arg, struct ieee80211_node *ni)
1291{
1292 struct mlmeop *mop = arg;
1293 struct ieee80211vap *vap = ni->ni_vap;
1294
1295 if (vap != mop->vap)
1296 return;
1297 /*
1298 * NB: if ni_associd is zero then the node is already cleaned
1299 * up and we don't need to do this (we're safely holding a
1300 * reference but should otherwise not modify it's state).
1301 */
1302 if (ni->ni_associd == 0)
1303 return;
1304 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1305 if (mop->op == IEEE80211_MLME_DEAUTH) {
1306 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1307 mop->reason);
1308 } else {
1309 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1310 mop->reason);
1311 }
1312 ieee80211_node_leave(ni);
1313}
1314
1315static int
1316setmlme_dropsta(struct ieee80211vap *vap,
1317 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1318{
1319 struct ieee80211com *ic = vap->iv_ic;
1320 struct ieee80211_node_table *nt = &ic->ic_sta;
1321 struct ieee80211_node *ni;
1322 int error = 0;
1323
1324 /* NB: the broadcast address means do 'em all */
1325 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) {
1326 IEEE80211_NODE_LOCK(nt);
1327 ni = ieee80211_find_node_locked(nt, mac);
1328 if (ni != NULL) {
1329 domlme(mlmeop, ni);
1330 ieee80211_free_node(ni);
1331 } else
1332 error = ENOENT;
1333 IEEE80211_NODE_UNLOCK(nt);
1334 } else {
1335 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1336 }
1337 return error;
1338}
1339
1340static __noinline int
1341setmlme_common(struct ieee80211vap *vap, int op,
1342 const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1343{
1344 struct ieee80211com *ic = vap->iv_ic;
1345 struct ieee80211_node_table *nt = &ic->ic_sta;
1346 struct ieee80211_node *ni;
1347 struct mlmeop mlmeop;
1348 int error;
1349
1350 error = 0;
1351 switch (op) {
1352 case IEEE80211_MLME_DISASSOC:
1353 case IEEE80211_MLME_DEAUTH:
1354 switch (vap->iv_opmode) {
1355 case IEEE80211_M_STA:
1356 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1357 /* XXX not quite right */
1358 ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1359 break;
1360 case IEEE80211_M_HOSTAP:
1361 mlmeop.vap = vap;
1362 mlmeop.op = op;
1363 mlmeop.reason = reason;
1364 error = setmlme_dropsta(vap, mac, &mlmeop);
1365 break;
1366 case IEEE80211_M_WDS:
1367 /* XXX user app should send raw frame? */
1368 if (op != IEEE80211_MLME_DEAUTH) {
1369 error = EINVAL;
1370 break;
1371 }
1372#if 0
1373 /* XXX accept any address, simplifies user code */
1374 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1375 error = EINVAL;
1376 break;
1377 }
1378#endif
1379 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1380 ni = ieee80211_ref_node(vap->iv_bss);
1381 IEEE80211_SEND_MGMT(ni,
1382 IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1383 ieee80211_free_node(ni);
1384 break;
1385 default:
1386 error = EINVAL;
1387 break;
1388 }
1389 break;
1390 case IEEE80211_MLME_AUTHORIZE:
1391 case IEEE80211_MLME_UNAUTHORIZE:
1392 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1393 vap->iv_opmode != IEEE80211_M_WDS) {
1394 error = EINVAL;
1395 break;
1396 }
1397 IEEE80211_NODE_LOCK(nt);
1398 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1399 if (ni != NULL) {
1400 mlmedebug(vap, mac, op, reason);
1401 if (op == IEEE80211_MLME_AUTHORIZE)
1402 ieee80211_node_authorize(ni);
1403 else
1404 ieee80211_node_unauthorize(ni);
1405 ieee80211_free_node(ni);
1406 } else
1407 error = ENOENT;
1408 IEEE80211_NODE_UNLOCK(nt);
1409 break;
1410 case IEEE80211_MLME_AUTH:
1411 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1412 error = EINVAL;
1413 break;
1414 }
1415 IEEE80211_NODE_LOCK(nt);
1416 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1417 if (ni != NULL) {
1418 mlmedebug(vap, mac, op, reason);
1419 if (reason == IEEE80211_STATUS_SUCCESS) {
1420 IEEE80211_SEND_MGMT(ni,
1421 IEEE80211_FC0_SUBTYPE_AUTH, 2);
1422 /*
1423 * For shared key auth, just continue the
1424 * exchange. Otherwise when 802.1x is not in
1425 * use mark the port authorized at this point
1426 * so traffic can flow.
1427 */
1428 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1429 ni->ni_challenge == NULL)
1430 ieee80211_node_authorize(ni);
1431 } else {
1432 vap->iv_stats.is_rx_acl++;
1433 ieee80211_send_error(ni, ni->ni_macaddr,
1434 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1435 ieee80211_node_leave(ni);
1436 }
1437 ieee80211_free_node(ni);
1438 } else
1439 error = ENOENT;
1440 IEEE80211_NODE_UNLOCK(nt);
1441 break;
1442 default:
1443 error = EINVAL;
1444 break;
1445 }
1446 return error;
1447}
1448
1449struct scanlookup {
1450 const uint8_t *mac;
1451 int esslen;
1452 const uint8_t *essid;
1453 const struct ieee80211_scan_entry *se;
1454};
1455
1456/*
1457 * Match mac address and any ssid.
1458 */
1459static void
1460mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1461{
1462 struct scanlookup *look = arg;
1463
1464 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1465 return;
1466 if (look->esslen != 0) {
1467 if (se->se_ssid[1] != look->esslen)
1468 return;
1469 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1470 return;
1471 }
1472 look->se = se;
1473}
1474
1475static __noinline int
1476setmlme_assoc_sta(struct ieee80211vap *vap,
1477 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1478 const uint8_t ssid[IEEE80211_NWID_LEN])
1479{
1480 struct scanlookup lookup;
1481
1482 KASSERT(vap->iv_opmode == IEEE80211_M_STA,
1483 ("expected opmode STA not %s",
1484 ieee80211_opmode_name[vap->iv_opmode]));
1485
1486 /* NB: this is racey if roaming is !manual */
1487 lookup.se = NULL;
1488 lookup.mac = mac;
1489 lookup.esslen = ssid_len;
1490 lookup.essid = ssid;
1491 ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1492 if (lookup.se == NULL)
1493 return ENOENT;
1494 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1495 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1496 return EIO; /* XXX unique but could be better */
1497 return 0;
1498}
1499
1500static __noinline int
1501setmlme_assoc_adhoc(struct ieee80211vap *vap,
1502 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1503 const uint8_t ssid[IEEE80211_NWID_LEN])
1504{
1505 struct ieee80211_scan_req sr;
1506
1507 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS ||
1508 vap->iv_opmode == IEEE80211_M_AHDEMO,
1509 ("expected opmode IBSS or AHDEMO not %s",
1510 ieee80211_opmode_name[vap->iv_opmode]));
1511
1512 if (ssid_len == 0)
1513 return EINVAL;
1514
1515 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */
1516 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
1517 vap->iv_des_ssid[0].len = ssid_len;
1518 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len);
1519 vap->iv_des_nssid = 1;
1520
1521 memset(&sr, 0, sizeof(sr));
1522 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE;
1523 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1524 memcpy(sr.sr_ssid[0].ssid, ssid, ssid_len);
1525 sr.sr_ssid[0].len = ssid_len;
1526 sr.sr_nssid = 1;
1527
1528 return ieee80211_scanreq(vap, &sr);
1529}
1530
1531static __noinline int
1532ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1533{
1534 struct ieee80211req_mlme mlme;
1535 int error;
1536
1537 if (ireq->i_len != sizeof(mlme))
1538 return EINVAL;
1539 error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1540 if (error)
1541 return error;
1542 if (vap->iv_opmode == IEEE80211_M_STA &&
1543 mlme.im_op == IEEE80211_MLME_ASSOC)
1544 return setmlme_assoc_sta(vap, mlme.im_macaddr,
1545 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1546 else if (mlme.im_op == IEEE80211_MLME_ASSOC)
1547 return setmlme_assoc_adhoc(vap, mlme.im_macaddr,
1548 mlme.im_ssid_len, mlme.im_ssid);
1549 else
1550 return setmlme_common(vap, mlme.im_op,
1551 mlme.im_macaddr, mlme.im_reason);
1552}
1553
1554static __noinline int
1555ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1556{
1557 uint8_t mac[IEEE80211_ADDR_LEN];
1558 const struct ieee80211_aclator *acl = vap->iv_acl;
1559 int error;
1560
1561 if (ireq->i_len != sizeof(mac))
1562 return EINVAL;
1563 error = copyin(ireq->i_data, mac, ireq->i_len);
1564 if (error)
1565 return error;
1566 if (acl == NULL) {
1567 acl = ieee80211_aclator_get("mac");
1568 if (acl == NULL || !acl->iac_attach(vap))
1569 return EINVAL;
1570 vap->iv_acl = acl;
1571 }
1572 if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1573 acl->iac_add(vap, mac);
1574 else
1575 acl->iac_remove(vap, mac);
1576 return 0;
1577}
1578
1579static __noinline int
1580ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1581{
1582 const struct ieee80211_aclator *acl = vap->iv_acl;
1583
1584 switch (ireq->i_val) {
1585 case IEEE80211_MACCMD_POLICY_OPEN:
1586 case IEEE80211_MACCMD_POLICY_ALLOW:
1587 case IEEE80211_MACCMD_POLICY_DENY:
1588 case IEEE80211_MACCMD_POLICY_RADIUS:
1589 if (acl == NULL) {
1590 acl = ieee80211_aclator_get("mac");
1591 if (acl == NULL || !acl->iac_attach(vap))
1592 return EINVAL;
1593 vap->iv_acl = acl;
1594 }
1595 acl->iac_setpolicy(vap, ireq->i_val);
1596 break;
1597 case IEEE80211_MACCMD_FLUSH:
1598 if (acl != NULL)
1599 acl->iac_flush(vap);
1600 /* NB: silently ignore when not in use */
1601 break;
1602 case IEEE80211_MACCMD_DETACH:
1603 if (acl != NULL) {
1604 vap->iv_acl = NULL;
1605 acl->iac_detach(vap);
1606 }
1607 break;
1608 default:
1609 if (acl == NULL)
1610 return EINVAL;
1611 else
1612 return acl->iac_setioctl(vap, ireq);
1613 }
1614 return 0;
1615}
1616
1617static __noinline int
1618ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1619{
1620 struct ieee80211com *ic = vap->iv_ic;
1621 uint8_t *chanlist, *list;
1622 int i, nchan, maxchan, error;
1623
1624 if (ireq->i_len > sizeof(ic->ic_chan_active))
1625 ireq->i_len = sizeof(ic->ic_chan_active);
1626 list = malloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1627 M_NOWAIT | M_ZERO);
1628 if (list == NULL)
1629 return ENOMEM;
1630 error = copyin(ireq->i_data, list, ireq->i_len);
1631 if (error) {
1632 free(list, M_TEMP);
1633 return error;
1634 }
1635 nchan = 0;
1636 chanlist = list + ireq->i_len; /* NB: zero'd already */
1637 maxchan = ireq->i_len * NBBY;
1638 for (i = 0; i < ic->ic_nchans; i++) {
1639 const struct ieee80211_channel *c = &ic->ic_channels[i];
1640 /*
1641 * Calculate the intersection of the user list and the
1642 * available channels so users can do things like specify
1643 * 1-255 to get all available channels.
1644 */
1645 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1646 setbit(chanlist, c->ic_ieee);
1647 nchan++;
1648 }
1649 }
1650 if (nchan == 0) {
1651 free(list, M_TEMP);
1652 return EINVAL;
1653 }
1654 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */
1655 isclr(chanlist, ic->ic_bsschan->ic_ieee))
1656 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1657 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1658 ieee80211_scan_flush(vap);
1659 free(list, M_TEMP);
1660 return ENETRESET;
1661}
1662
1663static __noinline int
1664ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1665{
1666 struct ieee80211_node *ni;
1667 uint8_t macaddr[IEEE80211_ADDR_LEN];
1668 int error;
1669
1670 /*
1671 * NB: we could copyin ieee80211req_sta_stats so apps
1672 * could make selective changes but that's overkill;
1673 * just clear all stats for now.
1674 */
1675 if (ireq->i_len < IEEE80211_ADDR_LEN)
1676 return EINVAL;
1677 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1678 if (error != 0)
1679 return error;
1680 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1681 if (ni == NULL)
1682 return ENOENT;
1683 /* XXX require ni_vap == vap? */
1684 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1685 ieee80211_free_node(ni);
1686 return 0;
1687}
1688
1689static __noinline int
1690ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1691{
1692 struct ieee80211_node *ni;
1693 struct ieee80211req_sta_txpow txpow;
1694 int error;
1695
1696 if (ireq->i_len != sizeof(txpow))
1697 return EINVAL;
1698 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1699 if (error != 0)
1700 return error;
1701 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1702 if (ni == NULL)
1703 return ENOENT;
1704 ni->ni_txpower = txpow.it_txpow;
1705 ieee80211_free_node(ni);
1706 return error;
1707}
1708
1709static __noinline int
1710ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1711{
1712 struct ieee80211com *ic = vap->iv_ic;
1713 struct ieee80211_wme_state *wme = &ic->ic_wme;
1714 struct wmeParams *wmep, *chanp;
1715 int isbss, ac;
1716
1717 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1718 return EOPNOTSUPP;
1719
1720 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1721 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1722 if (ac >= WME_NUM_AC)
1723 ac = WME_AC_BE;
1724 if (isbss) {
1725 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1726 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1727 } else {
1728 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1729 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1730 }
1731 switch (ireq->i_type) {
1732 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1733 if (isbss) {
1734 wmep->wmep_logcwmin = ireq->i_val;
1735 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1736 chanp->wmep_logcwmin = ireq->i_val;
1737 } else {
1738 wmep->wmep_logcwmin = chanp->wmep_logcwmin =
1739 ireq->i_val;
1740 }
1741 break;
1742 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1743 if (isbss) {
1744 wmep->wmep_logcwmax = ireq->i_val;
1745 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1746 chanp->wmep_logcwmax = ireq->i_val;
1747 } else {
1748 wmep->wmep_logcwmax = chanp->wmep_logcwmax =
1749 ireq->i_val;
1750 }
1751 break;
1752 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1753 if (isbss) {
1754 wmep->wmep_aifsn = ireq->i_val;
1755 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1756 chanp->wmep_aifsn = ireq->i_val;
1757 } else {
1758 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val;
1759 }
1760 break;
1761 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1762 if (isbss) {
1763 wmep->wmep_txopLimit = ireq->i_val;
1764 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1765 chanp->wmep_txopLimit = ireq->i_val;
1766 } else {
1767 wmep->wmep_txopLimit = chanp->wmep_txopLimit =
1768 ireq->i_val;
1769 }
1770 break;
1771 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1772 wmep->wmep_acm = ireq->i_val;
1773 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1774 chanp->wmep_acm = ireq->i_val;
1775 break;
1776 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1777 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1778 (ireq->i_val) == 0;
1779 break;
1780 }
1781 ieee80211_wme_updateparams(vap);
1782 return 0;
1783}
1784
1785static int
1786find11gchannel(struct ieee80211com *ic, int start, int freq)
1787{
1788 const struct ieee80211_channel *c;
1789 int i;
1790
1791 for (i = start+1; i < ic->ic_nchans; i++) {
1792 c = &ic->ic_channels[i];
1793 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1794 return 1;
1795 }
1796 /* NB: should not be needed but in case things are mis-sorted */
1797 for (i = 0; i < start; i++) {
1798 c = &ic->ic_channels[i];
1799 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1800 return 1;
1801 }
1802 return 0;
1803}
1804
1805static struct ieee80211_channel *
1806findchannel(struct ieee80211com *ic, int ieee, int mode)
1807{
1808 static const u_int chanflags[IEEE80211_MODE_MAX] = {
1809 [IEEE80211_MODE_AUTO] = 0,
1810 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A,
1811 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B,
1812 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G,
1813 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS,
1814 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A,
1815 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G,
1816 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO,
1817 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF,
1818 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER,
1819 /* NB: handled specially below */
1820 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A,
1821 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G,
1822 };
1823 u_int modeflags;
1824 int i;
1825
1826 modeflags = chanflags[mode];
1827 for (i = 0; i < ic->ic_nchans; i++) {
1828 struct ieee80211_channel *c = &ic->ic_channels[i];
1829
1830 if (c->ic_ieee != ieee)
1831 continue;
1832 if (mode == IEEE80211_MODE_AUTO) {
1833 /* ignore turbo channels for autoselect */
1834 if (IEEE80211_IS_CHAN_TURBO(c))
1835 continue;
1836 /*
1837 * XXX special-case 11b/g channels so we
1838 * always select the g channel if both
1839 * are present.
1840 * XXX prefer HT to non-HT?
1841 */
1842 if (!IEEE80211_IS_CHAN_B(c) ||
1843 !find11gchannel(ic, i, c->ic_freq))
1844 return c;
1845 } else {
1846 /* must check HT specially */
1847 if ((mode == IEEE80211_MODE_11NA ||
1848 mode == IEEE80211_MODE_11NG) &&
1849 !IEEE80211_IS_CHAN_HT(c))
1850 continue;
1851 if ((c->ic_flags & modeflags) == modeflags)
1852 return c;
1853 }
1854 }
1855 return NULL;
1856}
1857
1858/*
1859 * Check the specified against any desired mode (aka netband).
1860 * This is only used (presently) when operating in hostap mode
1861 * to enforce consistency.
1862 */
1863static int
1864check_mode_consistency(const struct ieee80211_channel *c, int mode)
1865{
1866 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1867
1868 switch (mode) {
1869 case IEEE80211_MODE_11B:
1870 return (IEEE80211_IS_CHAN_B(c));
1871 case IEEE80211_MODE_11G:
1872 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1873 case IEEE80211_MODE_11A:
1874 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1875 case IEEE80211_MODE_STURBO_A:
1876 return (IEEE80211_IS_CHAN_STURBO(c));
1877 case IEEE80211_MODE_11NA:
1878 return (IEEE80211_IS_CHAN_HTA(c));
1879 case IEEE80211_MODE_11NG:
1880 return (IEEE80211_IS_CHAN_HTG(c));
1881 }
1882 return 1;
1883
1884}
1885
1886/*
1887 * Common code to set the current channel. If the device
1888 * is up and running this may result in an immediate channel
1889 * change or a kick of the state machine.
1890 */
1891static int
1892setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1893{
1894 struct ieee80211com *ic = vap->iv_ic;
1895 int error;
1896
1897 if (c != IEEE80211_CHAN_ANYC) {
1898 if (IEEE80211_IS_CHAN_RADAR(c))
1899 return EBUSY; /* XXX better code? */
1900 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1901 if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1902 return EINVAL;
1903 if (!check_mode_consistency(c, vap->iv_des_mode))
1904 return EINVAL;
1905 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1906 if (IEEE80211_IS_CHAN_NOADHOC(c))
1907 return EINVAL;
1908 }
1909 if (vap->iv_state == IEEE80211_S_RUN &&
1910 vap->iv_bss->ni_chan == c)
1911 return 0; /* NB: nothing to do */
1912 }
1913 vap->iv_des_chan = c;
1914
1915 error = 0;
1916 if (vap->iv_opmode == IEEE80211_M_MONITOR &&
1917 vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1918 /*
1919 * Monitor mode can switch directly.
1920 */
1921 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
1922 /* XXX need state machine for other vap's to follow */
1923 ieee80211_setcurchan(ic, vap->iv_des_chan);
1924 vap->iv_bss->ni_chan = ic->ic_curchan;
1925 } else
1926 ic->ic_curchan = vap->iv_des_chan;
1927 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1928 } else {
1929 /*
1930 * Need to go through the state machine in case we
1931 * need to reassociate or the like. The state machine
1932 * will pickup the desired channel and avoid scanning.
1933 */
1934 if (IS_UP_AUTO(vap))
1935 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
1936 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1937 /*
1938 * When not up+running and a real channel has
1939 * been specified fix the current channel so
1940 * there is immediate feedback; e.g. via ifconfig.
1941 */
1942 ic->ic_curchan = vap->iv_des_chan;
1943 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1944 }
1945 }
1946 return error;
1947}
1948
1949/*
1950 * Old api for setting the current channel; this is
1951 * deprecated because channel numbers are ambiguous.
1952 */
1953static __noinline int
1954ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
1955 const struct ieee80211req *ireq)
1956{
1957 struct ieee80211com *ic = vap->iv_ic;
1958 struct ieee80211_channel *c;
1959
1960 /* XXX 0xffff overflows 16-bit signed */
1961 if (ireq->i_val == 0 ||
1962 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
1963 c = IEEE80211_CHAN_ANYC;
1964 } else {
1965 struct ieee80211_channel *c2;
1966
1967 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
1968 if (c == NULL) {
1969 c = findchannel(ic, ireq->i_val,
1970 IEEE80211_MODE_AUTO);
1971 if (c == NULL)
1972 return EINVAL;
1973 }
1974 /*
1975 * Fine tune channel selection based on desired mode:
1976 * if 11b is requested, find the 11b version of any
1977 * 11g channel returned,
1978 * if static turbo, find the turbo version of any
1979 * 11a channel return,
1980 * if 11na is requested, find the ht version of any
1981 * 11a channel returned,
1982 * if 11ng is requested, find the ht version of any
1983 * 11g channel returned,
1984 * otherwise we should be ok with what we've got.
1985 */
1986 switch (vap->iv_des_mode) {
1987 case IEEE80211_MODE_11B:
1988 if (IEEE80211_IS_CHAN_ANYG(c)) {
1989 c2 = findchannel(ic, ireq->i_val,
1990 IEEE80211_MODE_11B);
1991 /* NB: should not happen, =>'s 11g w/o 11b */
1992 if (c2 != NULL)
1993 c = c2;
1994 }
1995 break;
1996 case IEEE80211_MODE_TURBO_A:
1997 if (IEEE80211_IS_CHAN_A(c)) {
1998 c2 = findchannel(ic, ireq->i_val,
1999 IEEE80211_MODE_TURBO_A);
2000 if (c2 != NULL)
2001 c = c2;
2002 }
2003 break;
2004 case IEEE80211_MODE_11NA:
2005 if (IEEE80211_IS_CHAN_A(c)) {
2006 c2 = findchannel(ic, ireq->i_val,
2007 IEEE80211_MODE_11NA);
2008 if (c2 != NULL)
2009 c = c2;
2010 }
2011 break;
2012 case IEEE80211_MODE_11NG:
2013 if (IEEE80211_IS_CHAN_ANYG(c)) {
2014 c2 = findchannel(ic, ireq->i_val,
2015 IEEE80211_MODE_11NG);
2016 if (c2 != NULL)
2017 c = c2;
2018 }
2019 break;
2020 default: /* NB: no static turboG */
2021 break;
2022 }
2023 }
2024 return setcurchan(vap, c);
2025}
2026
2027/*
2028 * New/current api for setting the current channel; a complete
2029 * channel description is provide so there is no ambiguity in
2030 * identifying the channel.
2031 */
2032static __noinline int
2033ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
2034 const struct ieee80211req *ireq)
2035{
2036 struct ieee80211com *ic = vap->iv_ic;
2037 struct ieee80211_channel chan, *c;
2038 int error;
2039
2040 if (ireq->i_len != sizeof(chan))
2041 return EINVAL;
2042 error = copyin(ireq->i_data, &chan, sizeof(chan));
2043 if (error != 0)
2044 return error;
2045 /* XXX 0xffff overflows 16-bit signed */
2046 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
2047 c = IEEE80211_CHAN_ANYC;
2048 } else {
2049 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2050 if (c == NULL)
2051 return EINVAL;
2052 }
2053 return setcurchan(vap, c);
2054}
2055
2056static __noinline int
2057ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2058 const struct ieee80211req *ireq)
2059{
2060 struct ieee80211_regdomain_req *reg;
2061 int nchans, error;
2062
2063 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2064 sizeof(struct ieee80211_channel));
2065 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2066 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2067 "%s: bad # chans, i_len %d nchans %d\n", __func__,
2068 ireq->i_len, nchans);
2069 return EINVAL;
2070 }
2071 reg = (struct ieee80211_regdomain_req *)
2072 malloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_NOWAIT);
2073 if (reg == NULL) {
2074 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2075 "%s: no memory, nchans %d\n", __func__, nchans);
2076 return ENOMEM;
2077 }
2078 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2079 if (error == 0) {
2080 /* NB: validate inline channel count against storage size */
2081 if (reg->chaninfo.ic_nchans != nchans) {
2082 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2083 "%s: chan cnt mismatch, %d != %d\n", __func__,
2084 reg->chaninfo.ic_nchans, nchans);
2085 error = EINVAL;
2086 } else
2087 error = ieee80211_setregdomain(vap, reg);
2088 }
2089 free(reg, M_TEMP);
2090
2091 return (error == 0 ? ENETRESET : error);
2092}
2093
2094static int
2095ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2096 const struct ieee80211req *ireq)
2097{
2098 if (ireq->i_len != sizeof(vap->iv_roamparms))
2099 return EINVAL;
2100 /* XXX validate params */
2101 /* XXX? ENETRESET to push to device? */
2102 return copyin(ireq->i_data, vap->iv_roamparms,
2103 sizeof(vap->iv_roamparms));
2104}
2105
2106static int
2107checkrate(const struct ieee80211_rateset *rs, int rate)
2108{
2109 int i;
2110
2111 if (rate == IEEE80211_FIXED_RATE_NONE)
2112 return 1;
2113 for (i = 0; i < rs->rs_nrates; i++)
2114 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2115 return 1;
2116 return 0;
2117}
2118
2119static int
2120checkmcs(int mcs)
2121{
2122 if (mcs == IEEE80211_FIXED_RATE_NONE)
2123 return 1;
2124 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */
2125 return 0;
2126 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */
2127}
2128
2129static __noinline int
2130ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2131 const struct ieee80211req *ireq)
2132{
2133 struct ieee80211com *ic = vap->iv_ic;
2134 struct ieee80211_txparams_req parms; /* XXX stack use? */
2135 struct ieee80211_txparam *src, *dst;
2136 const struct ieee80211_rateset *rs;
2137 int error, mode, changed, is11n, nmodes;
2138
2139 /* NB: accept short requests for backwards compat */
2140 if (ireq->i_len > sizeof(parms))
2141 return EINVAL;
2142 error = copyin(ireq->i_data, &parms, ireq->i_len);
2143 if (error != 0)
2144 return error;
2145 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2146 changed = 0;
2147 /* validate parameters and check if anything changed */
2148 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2149 if (isclr(ic->ic_modecaps, mode))
2150 continue;
2151 src = &parms.params[mode];
2152 dst = &vap->iv_txparms[mode];
2153 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */
2154 is11n = (mode == IEEE80211_MODE_11NA ||
2155 mode == IEEE80211_MODE_11NG);
2156 if (src->ucastrate != dst->ucastrate) {
2157 if (!checkrate(rs, src->ucastrate) &&
2158 (!is11n || !checkmcs(src->ucastrate)))
2159 return EINVAL;
2160 changed++;
2161 }
2162 if (src->mcastrate != dst->mcastrate) {
2163 if (!checkrate(rs, src->mcastrate) &&
2164 (!is11n || !checkmcs(src->mcastrate)))
2165 return EINVAL;
2166 changed++;
2167 }
2168 if (src->mgmtrate != dst->mgmtrate) {
2169 if (!checkrate(rs, src->mgmtrate) &&
2170 (!is11n || !checkmcs(src->mgmtrate)))
2171 return EINVAL;
2172 changed++;
2173 }
2174 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2175 changed++;
2176 }
2177 if (changed) {
2178 /*
2179 * Copy new parameters in place and notify the
2180 * driver so it can push state to the device.
2181 */
2182 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2183 if (isset(ic->ic_modecaps, mode))
2184 vap->iv_txparms[mode] = parms.params[mode];
2185 }
2186 /* XXX could be more intelligent,
2187 e.g. don't reset if setting not being used */
2188 return ENETRESET;
2189 }
2190 return 0;
2191}
2192
2193/*
2194 * Application Information Element support.
2195 */
2196static int
2197setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2198{
2199 struct ieee80211_appie *app = *aie;
2200 struct ieee80211_appie *napp;
2201 int error;
2202
2203 if (ireq->i_len == 0) { /* delete any existing ie */
2204 if (app != NULL) {
2205 *aie = NULL; /* XXX racey */
2206 free(app, M_80211_NODE_IE);
2207 }
2208 return 0;
2209 }
2210 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2211 return EINVAL;
2212 /*
2213 * Allocate a new appie structure and copy in the user data.
2214 * When done swap in the new structure. Note that we do not
2215 * guard against users holding a ref to the old structure;
2216 * this must be handled outside this code.
2217 *
2218 * XXX bad bad bad
2219 */
2220 napp = (struct ieee80211_appie *) malloc(
2221 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_NOWAIT);
2222 if (napp == NULL)
2223 return ENOMEM;
2224 /* XXX holding ic lock */
2225 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2226 if (error) {
2227 free(napp, M_80211_NODE_IE);
2228 return error;
2229 }
2230 napp->ie_len = ireq->i_len;
2231 *aie = napp;
2232 if (app != NULL)
2233 free(app, M_80211_NODE_IE);
2234 return 0;
2235}
2236
2237static void
2238setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2239{
2240 /* validate data is present as best we can */
2241 if (space == 0 || 2+ie[1] > space)
2242 return;
2243 if (ie[0] == IEEE80211_ELEMID_VENDOR)
2244 vap->iv_wpa_ie = ie;
2245 else if (ie[0] == IEEE80211_ELEMID_RSN)
2246 vap->iv_rsn_ie = ie;
2247}
2248
2249static __noinline int
2250ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2251 const struct ieee80211req *ireq, int fc0)
2252{
2253 int error;
2254
2255 IEEE80211_LOCK_ASSERT(vap->iv_ic);
2256
2257 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2258 case IEEE80211_FC0_SUBTYPE_BEACON:
2259 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2260 vap->iv_opmode != IEEE80211_M_IBSS) {
2261 error = EINVAL;
2262 break;
2263 }
2264 error = setappie(&vap->iv_appie_beacon, ireq);
2265 if (error == 0)
2266 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2267 break;
2268 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2269 error = setappie(&vap->iv_appie_proberesp, ireq);
2270 break;
2271 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2272 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2273 error = setappie(&vap->iv_appie_assocresp, ireq);
2274 else
2275 error = EINVAL;
2276 break;
2277 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2278 error = setappie(&vap->iv_appie_probereq, ireq);
2279 break;
2280 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2281 if (vap->iv_opmode == IEEE80211_M_STA)
2282 error = setappie(&vap->iv_appie_assocreq, ireq);
2283 else
2284 error = EINVAL;
2285 break;
2286 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2287 error = setappie(&vap->iv_appie_wpa, ireq);
2288 if (error == 0) {
2289 /*
2290 * Must split single blob of data into separate
2291 * WPA and RSN ie's because they go in different
2292 * locations in the mgt frames.
2293 * XXX use IEEE80211_IOC_WPA2 so user code does split
2294 */
2295 vap->iv_wpa_ie = NULL;
2296 vap->iv_rsn_ie = NULL;
2297 if (vap->iv_appie_wpa != NULL) {
2298 struct ieee80211_appie *appie =
2299 vap->iv_appie_wpa;
2300 uint8_t *data = appie->ie_data;
2301
2302 /* XXX ie length validate is painful, cheat */
2303 setwparsnie(vap, data, appie->ie_len);
2304 setwparsnie(vap, data + 2 + data[1],
2305 appie->ie_len - (2 + data[1]));
2306 }
2307 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2308 vap->iv_opmode == IEEE80211_M_IBSS) {
2309 /*
2310 * Must rebuild beacon frame as the update
2311 * mechanism doesn't handle WPA/RSN ie's.
2312 * Could extend it but it doesn't normally
2313 * change; this is just to deal with hostapd
2314 * plumbing the ie after the interface is up.
2315 */
2316 error = ENETRESET;
2317 }
2318 }
2319 break;
2320 default:
2321 error = EINVAL;
2322 break;
2323 }
2324 return error;
2325}
2326
2327static __noinline int
2328ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2329 const struct ieee80211req *ireq)
2330{
2331 struct ieee80211com *ic = vap->iv_ic;
2332 int error;
2333 uint8_t fc0;
2334
2335 fc0 = ireq->i_val & 0xff;
2336 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2337 return EINVAL;
2338 /* NB: could check iv_opmode and reject but hardly worth the effort */
2339 IEEE80211_LOCK(ic);
2340 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2341 IEEE80211_UNLOCK(ic);
2342 return error;
2343}
2344
2345static __noinline int
2346ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2347{
2348 struct ieee80211com *ic = vap->iv_ic;
2349 struct ieee80211_chanswitch_req csr;
2350 struct ieee80211_channel *c;
2351 int error;
2352
2353 if (ireq->i_len != sizeof(csr))
2354 return EINVAL;
2355 error = copyin(ireq->i_data, &csr, sizeof(csr));
2356 if (error != 0)
2357 return error;
2358 /* XXX adhoc mode not supported */
2359 if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2360 (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2361 return EOPNOTSUPP;
2362 c = ieee80211_find_channel(ic,
2363 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2364 if (c == NULL)
2365 return ENOENT;
2366 IEEE80211_LOCK(ic);
2367 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2368 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2369 else if (csr.csa_count == 0)
2370 ieee80211_csa_cancelswitch(ic);
2371 else
2372 error = EBUSY;
2373 IEEE80211_UNLOCK(ic);
2374 return error;
2375}
2376
2377static int
2378ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr)
2379{
2380#define IEEE80211_IOC_SCAN_FLAGS \
2381 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2382 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2383 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2384 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2385 IEEE80211_IOC_SCAN_CHECK)
2386 struct ieee80211com *ic = vap->iv_ic;
| 29
30/*
31 * IEEE 802.11 ioctl support (FreeBSD-specific)
32 */
33
34#include "opt_inet.h"
35#include "opt_ipx.h"
36#include "opt_wlan.h"
37
38#include <sys/endian.h>
39#include <sys/param.h>
40#include <sys/kernel.h>
41#include <sys/priv.h>
42#include <sys/socket.h>
43#include <sys/sockio.h>
44#include <sys/systm.h>
45
46#include <net/if.h>
47#include <net/if_dl.h>
48#include <net/if_media.h>
49#include <net/ethernet.h>
50
51#ifdef INET
52#include <netinet/in.h>
53#include <netinet/if_ether.h>
54#endif
55
56#ifdef IPX
57#include <netipx/ipx.h>
58#include <netipx/ipx_if.h>
59#endif
60
61#include <net80211/ieee80211_var.h>
62#include <net80211/ieee80211_ioctl.h>
63#include <net80211/ieee80211_regdomain.h>
64#include <net80211/ieee80211_input.h>
65
66#define IS_UP_AUTO(_vap) \
67 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \
68 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
69
70static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
71static struct ieee80211_channel *findchannel(struct ieee80211com *,
72 int ieee, int mode);
73static int ieee80211_scanreq(struct ieee80211vap *,
74 struct ieee80211_scan_req *);
75
76static __noinline int
77ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
78{
79 struct ieee80211com *ic = vap->iv_ic;
80 struct ieee80211_node *ni;
81 struct ieee80211req_key ik;
82 struct ieee80211_key *wk;
83 const struct ieee80211_cipher *cip;
84 u_int kid;
85 int error;
86
87 if (ireq->i_len != sizeof(ik))
88 return EINVAL;
89 error = copyin(ireq->i_data, &ik, sizeof(ik));
90 if (error)
91 return error;
92 kid = ik.ik_keyix;
93 if (kid == IEEE80211_KEYIX_NONE) {
94 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
95 if (ni == NULL)
96 return ENOENT;
97 wk = &ni->ni_ucastkey;
98 } else {
99 if (kid >= IEEE80211_WEP_NKID)
100 return EINVAL;
101 wk = &vap->iv_nw_keys[kid];
102 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
103 ni = NULL;
104 }
105 cip = wk->wk_cipher;
106 ik.ik_type = cip->ic_cipher;
107 ik.ik_keylen = wk->wk_keylen;
108 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
109 if (wk->wk_keyix == vap->iv_def_txkey)
110 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
111 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
112 /* NB: only root can read key data */
113 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
114 ik.ik_keytsc = wk->wk_keytsc;
115 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
116 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
117 memcpy(ik.ik_keydata+wk->wk_keylen,
118 wk->wk_key + IEEE80211_KEYBUF_SIZE,
119 IEEE80211_MICBUF_SIZE);
120 ik.ik_keylen += IEEE80211_MICBUF_SIZE;
121 }
122 } else {
123 ik.ik_keyrsc = 0;
124 ik.ik_keytsc = 0;
125 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
126 }
127 if (ni != NULL)
128 ieee80211_free_node(ni);
129 return copyout(&ik, ireq->i_data, sizeof(ik));
130}
131
132static __noinline int
133ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
134{
135 struct ieee80211com *ic = vap->iv_ic;
136
137 if (sizeof(ic->ic_chan_active) < ireq->i_len)
138 ireq->i_len = sizeof(ic->ic_chan_active);
139 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
140}
141
142static __noinline int
143ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
144{
145 struct ieee80211com *ic = vap->iv_ic;
146 int space;
147
148 space = __offsetof(struct ieee80211req_chaninfo,
149 ic_chans[ic->ic_nchans]);
150 if (space > ireq->i_len)
151 space = ireq->i_len;
152 /* XXX assumes compatible layout */
153 return copyout(&ic->ic_nchans, ireq->i_data, space);
154}
155
156static __noinline int
157ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
158 struct ieee80211req *ireq, int req)
159{
160 struct ieee80211_node *ni;
161 struct ieee80211req_wpaie2 wpaie;
162 int error;
163
164 if (ireq->i_len < IEEE80211_ADDR_LEN)
165 return EINVAL;
166 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN);
167 if (error != 0)
168 return error;
169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr);
170 if (ni == NULL)
171 return ENOENT;
172 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie));
173 if (ni->ni_ies.wpa_ie != NULL) {
174 int ielen = ni->ni_ies.wpa_ie[1] + 2;
175 if (ielen > sizeof(wpaie.wpa_ie))
176 ielen = sizeof(wpaie.wpa_ie);
177 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen);
178 }
179 if (req == IEEE80211_IOC_WPAIE2) {
180 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie));
181 if (ni->ni_ies.rsn_ie != NULL) {
182 int ielen = ni->ni_ies.rsn_ie[1] + 2;
183 if (ielen > sizeof(wpaie.rsn_ie))
184 ielen = sizeof(wpaie.rsn_ie);
185 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen);
186 }
187 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
188 ireq->i_len = sizeof(struct ieee80211req_wpaie2);
189 } else {
190 /* compatibility op, may overwrite wpa ie */
191 /* XXX check ic_flags? */
192 if (ni->ni_ies.rsn_ie != NULL) {
193 int ielen = ni->ni_ies.rsn_ie[1] + 2;
194 if (ielen > sizeof(wpaie.wpa_ie))
195 ielen = sizeof(wpaie.wpa_ie);
196 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen);
197 }
198 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
199 ireq->i_len = sizeof(struct ieee80211req_wpaie);
200 }
201 ieee80211_free_node(ni);
202 return copyout(&wpaie, ireq->i_data, ireq->i_len);
203}
204
205static __noinline int
206ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
207{
208 struct ieee80211_node *ni;
209 uint8_t macaddr[IEEE80211_ADDR_LEN];
210 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats);
211 int error;
212
213 if (ireq->i_len < off)
214 return EINVAL;
215 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
216 if (error != 0)
217 return error;
218 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
219 if (ni == NULL)
220 return ENOENT;
221 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
222 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
223 /* NB: copy out only the statistics */
224 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
225 ireq->i_len - off);
226 ieee80211_free_node(ni);
227 return error;
228}
229
230struct scanreq {
231 struct ieee80211req_scan_result *sr;
232 size_t space;
233};
234
235static size_t
236scan_space(const struct ieee80211_scan_entry *se, int *ielen)
237{
238 size_t len;
239
240 *ielen = se->se_ies.len;
241 /*
242 * NB: ie's can be no more than 255 bytes and the max 802.11
243 * packet is <3Kbytes so we are sure this doesn't overflow
244 * 16-bits; if this is a concern we can drop the ie's.
245 */
246 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] +
247 se->se_meshid[1] + *ielen;
248 return roundup(len, sizeof(uint32_t));
249}
250
251static void
252get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
253{
254 struct scanreq *req = arg;
255 int ielen;
256
257 req->space += scan_space(se, &ielen);
258}
259
260static __noinline void
261get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
262{
263 struct scanreq *req = arg;
264 struct ieee80211req_scan_result *sr;
265 int ielen, len, nr, nxr;
266 uint8_t *cp;
267
268 len = scan_space(se, &ielen);
269 if (len > req->space)
270 return;
271
272 sr = req->sr;
273 KASSERT(len <= 65535 && ielen <= 65535,
274 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
275 sr->isr_len = len;
276 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
277 sr->isr_ie_len = ielen;
278 sr->isr_freq = se->se_chan->ic_freq;
279 sr->isr_flags = se->se_chan->ic_flags;
280 sr->isr_rssi = se->se_rssi;
281 sr->isr_noise = se->se_noise;
282 sr->isr_intval = se->se_intval;
283 sr->isr_capinfo = se->se_capinfo;
284 sr->isr_erp = se->se_erp;
285 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
286 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
287 memcpy(sr->isr_rates, se->se_rates+2, nr);
288 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
289 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
290 sr->isr_nrates = nr + nxr;
291
292 /* copy SSID */
293 sr->isr_ssid_len = se->se_ssid[1];
294 cp = ((uint8_t *)sr) + sr->isr_ie_off;
295 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
296
297 /* copy mesh id */
298 cp += sr->isr_ssid_len;
299 sr->isr_meshid_len = se->se_meshid[1];
300 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len);
301 cp += sr->isr_meshid_len;
302
303 if (ielen)
304 memcpy(cp, se->se_ies.data, ielen);
305
306 req->space -= len;
307 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
308}
309
310static __noinline int
311ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
312 struct ieee80211req *ireq)
313{
314 struct scanreq req;
315 int error;
316
317 if (ireq->i_len < sizeof(struct scanreq))
318 return EFAULT;
319
320 error = 0;
321 req.space = 0;
322 ieee80211_scan_iterate(vap, get_scan_space, &req);
323 if (req.space > ireq->i_len)
324 req.space = ireq->i_len;
325 if (req.space > 0) {
326 size_t space;
327 void *p;
328
329 space = req.space;
330 /* XXX M_WAITOK after driver lock released */
331 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO);
332 if (p == NULL)
333 return ENOMEM;
334 req.sr = p;
335 ieee80211_scan_iterate(vap, get_scan_result, &req);
336 ireq->i_len = space - req.space;
337 error = copyout(p, ireq->i_data, ireq->i_len);
338 free(p, M_TEMP);
339 } else
340 ireq->i_len = 0;
341
342 return error;
343}
344
345struct stainforeq {
346 struct ieee80211vap *vap;
347 struct ieee80211req_sta_info *si;
348 size_t space;
349};
350
351static size_t
352sta_space(const struct ieee80211_node *ni, size_t *ielen)
353{
354 *ielen = ni->ni_ies.len;
355 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
356 sizeof(uint32_t));
357}
358
359static void
360get_sta_space(void *arg, struct ieee80211_node *ni)
361{
362 struct stainforeq *req = arg;
363 size_t ielen;
364
365 if (req->vap != ni->ni_vap)
366 return;
367 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
368 ni->ni_associd == 0) /* only associated stations */
369 return;
370 req->space += sta_space(ni, &ielen);
371}
372
373static __noinline void
374get_sta_info(void *arg, struct ieee80211_node *ni)
375{
376 struct stainforeq *req = arg;
377 struct ieee80211vap *vap = ni->ni_vap;
378 struct ieee80211req_sta_info *si;
379 size_t ielen, len;
380 uint8_t *cp;
381
382 if (req->vap != ni->ni_vap)
383 return;
384 if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
385 ni->ni_associd == 0) /* only associated stations */
386 return;
387 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
388 return;
389 len = sta_space(ni, &ielen);
390 if (len > req->space)
391 return;
392 si = req->si;
393 si->isi_len = len;
394 si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
395 si->isi_ie_len = ielen;
396 si->isi_freq = ni->ni_chan->ic_freq;
397 si->isi_flags = ni->ni_chan->ic_flags;
398 si->isi_state = ni->ni_flags;
399 si->isi_authmode = ni->ni_authmode;
400 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
401 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
402 si->isi_capinfo = ni->ni_capinfo;
403 si->isi_erp = ni->ni_erp;
404 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
405 si->isi_nrates = ni->ni_rates.rs_nrates;
406 if (si->isi_nrates > 15)
407 si->isi_nrates = 15;
408 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
409 si->isi_txrate = ni->ni_txrate;
410 if (si->isi_txrate & IEEE80211_RATE_MCS) {
411 const struct ieee80211_mcs_rates *mcs =
412 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
413 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
414 if (ni->ni_flags & IEEE80211_NODE_SGI40)
415 si->isi_txmbps = mcs->ht40_rate_800ns;
416 else
417 si->isi_txmbps = mcs->ht40_rate_400ns;
418 } else {
419 if (ni->ni_flags & IEEE80211_NODE_SGI20)
420 si->isi_txmbps = mcs->ht20_rate_800ns;
421 else
422 si->isi_txmbps = mcs->ht20_rate_400ns;
423 }
424 } else
425 si->isi_txmbps = si->isi_txrate;
426 si->isi_associd = ni->ni_associd;
427 si->isi_txpower = ni->ni_txpower;
428 si->isi_vlan = ni->ni_vlan;
429 if (ni->ni_flags & IEEE80211_NODE_QOS) {
430 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
431 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
432 } else {
433 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
434 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
435 }
436 /* NB: leave all cases in case we relax ni_associd == 0 check */
437 if (ieee80211_node_is_authorized(ni))
438 si->isi_inact = vap->iv_inact_run;
439 else if (ni->ni_associd != 0 ||
440 (vap->iv_opmode == IEEE80211_M_WDS &&
441 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
442 si->isi_inact = vap->iv_inact_auth;
443 else
444 si->isi_inact = vap->iv_inact_init;
445 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
446 si->isi_localid = ni->ni_mllid;
447 si->isi_peerid = ni->ni_mlpid;
448 si->isi_peerstate = ni->ni_mlstate;
449
450 if (ielen) {
451 cp = ((uint8_t *)si) + si->isi_ie_off;
452 memcpy(cp, ni->ni_ies.data, ielen);
453 }
454
455 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
456 req->space -= len;
457}
458
459static __noinline int
460getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
461 struct ieee80211_node *ni, int off)
462{
463 struct ieee80211com *ic = vap->iv_ic;
464 struct stainforeq req;
465 size_t space;
466 void *p;
467 int error;
468
469 error = 0;
470 req.space = 0;
471 req.vap = vap;
472 if (ni == NULL)
473 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
474 else
475 get_sta_space(&req, ni);
476 if (req.space > ireq->i_len)
477 req.space = ireq->i_len;
478 if (req.space > 0) {
479 space = req.space;
480 /* XXX M_WAITOK after driver lock released */
481 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO);
482 if (p == NULL) {
483 error = ENOMEM;
484 goto bad;
485 }
486 req.si = p;
487 if (ni == NULL)
488 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
489 else
490 get_sta_info(&req, ni);
491 ireq->i_len = space - req.space;
492 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
493 free(p, M_TEMP);
494 } else
495 ireq->i_len = 0;
496bad:
497 if (ni != NULL)
498 ieee80211_free_node(ni);
499 return error;
500}
501
502static __noinline int
503ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
504{
505 uint8_t macaddr[IEEE80211_ADDR_LEN];
506 const int off = __offsetof(struct ieee80211req_sta_req, info);
507 struct ieee80211_node *ni;
508 int error;
509
510 if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
511 return EFAULT;
512 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
513 if (error != 0)
514 return error;
515 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
516 ni = NULL;
517 } else {
518 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
519 if (ni == NULL)
520 return ENOENT;
521 }
522 return getstainfo_common(vap, ireq, ni, off);
523}
524
525static __noinline int
526ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
527{
528 struct ieee80211_node *ni;
529 struct ieee80211req_sta_txpow txpow;
530 int error;
531
532 if (ireq->i_len != sizeof(txpow))
533 return EINVAL;
534 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
535 if (error != 0)
536 return error;
537 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
538 if (ni == NULL)
539 return ENOENT;
540 txpow.it_txpow = ni->ni_txpower;
541 error = copyout(&txpow, ireq->i_data, sizeof(txpow));
542 ieee80211_free_node(ni);
543 return error;
544}
545
546static __noinline int
547ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
548{
549 struct ieee80211com *ic = vap->iv_ic;
550 struct ieee80211_wme_state *wme = &ic->ic_wme;
551 struct wmeParams *wmep;
552 int ac;
553
554 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
555 return EINVAL;
556
557 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
558 if (ac >= WME_NUM_AC)
559 ac = WME_AC_BE;
560 if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
561 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
562 else
563 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
564 switch (ireq->i_type) {
565 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
566 ireq->i_val = wmep->wmep_logcwmin;
567 break;
568 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
569 ireq->i_val = wmep->wmep_logcwmax;
570 break;
571 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
572 ireq->i_val = wmep->wmep_aifsn;
573 break;
574 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
575 ireq->i_val = wmep->wmep_txopLimit;
576 break;
577 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
578 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
579 ireq->i_val = wmep->wmep_acm;
580 break;
581 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
582 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
583 ireq->i_val = !wmep->wmep_noackPolicy;
584 break;
585 }
586 return 0;
587}
588
589static __noinline int
590ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
591{
592 const struct ieee80211_aclator *acl = vap->iv_acl;
593
594 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
595}
596
597static __noinline int
598ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
599{
600 struct ieee80211com *ic = vap->iv_ic;
601 struct ieee80211_channel *c;
602
603 if (ireq->i_len != sizeof(struct ieee80211_channel))
604 return EINVAL;
605 /*
606 * vap's may have different operating channels when HT is
607 * in use. When in RUN state report the vap-specific channel.
608 * Otherwise return curchan.
609 */
610 if (vap->iv_state == IEEE80211_S_RUN)
611 c = vap->iv_bss->ni_chan;
612 else
613 c = ic->ic_curchan;
614 return copyout(c, ireq->i_data, sizeof(*c));
615}
616
617static int
618getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
619{
620 if (aie == NULL)
621 return EINVAL;
622 /* NB: truncate, caller can check length */
623 if (ireq->i_len > aie->ie_len)
624 ireq->i_len = aie->ie_len;
625 return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
626}
627
628static int
629ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
630{
631 uint8_t fc0;
632
633 fc0 = ireq->i_val & 0xff;
634 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
635 return EINVAL;
636 /* NB: could check iv_opmode and reject but hardly worth the effort */
637 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
638 case IEEE80211_FC0_SUBTYPE_BEACON:
639 return getappie(vap->iv_appie_beacon, ireq);
640 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
641 return getappie(vap->iv_appie_proberesp, ireq);
642 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
643 return getappie(vap->iv_appie_assocresp, ireq);
644 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
645 return getappie(vap->iv_appie_probereq, ireq);
646 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
647 return getappie(vap->iv_appie_assocreq, ireq);
648 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
649 return getappie(vap->iv_appie_wpa, ireq);
650 }
651 return EINVAL;
652}
653
654static __noinline int
655ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
656 const struct ieee80211req *ireq)
657{
658 struct ieee80211com *ic = vap->iv_ic;
659
660 if (ireq->i_len != sizeof(ic->ic_regdomain))
661 return EINVAL;
662 return copyout(&ic->ic_regdomain, ireq->i_data,
663 sizeof(ic->ic_regdomain));
664}
665
666static __noinline int
667ieee80211_ioctl_getroam(struct ieee80211vap *vap,
668 const struct ieee80211req *ireq)
669{
670 size_t len = ireq->i_len;
671 /* NB: accept short requests for backwards compat */
672 if (len > sizeof(vap->iv_roamparms))
673 len = sizeof(vap->iv_roamparms);
674 return copyout(vap->iv_roamparms, ireq->i_data, len);
675}
676
677static __noinline int
678ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
679 const struct ieee80211req *ireq)
680{
681 size_t len = ireq->i_len;
682 /* NB: accept short requests for backwards compat */
683 if (len > sizeof(vap->iv_txparms))
684 len = sizeof(vap->iv_txparms);
685 return copyout(vap->iv_txparms, ireq->i_data, len);
686}
687
688static __noinline int
689ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
690 const struct ieee80211req *ireq)
691{
692 struct ieee80211_devcaps_req *dc;
693 struct ieee80211req_chaninfo *ci;
694 int maxchans, error;
695
696 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
697 sizeof(struct ieee80211_channel));
698 /* NB: require 1 so we know ic_nchans is accessible */
699 if (maxchans < 1)
700 return EINVAL;
701 /* constrain max request size, 2K channels is ~24Kbytes */
702 if (maxchans > 2048)
703 maxchans = 2048;
704 dc = (struct ieee80211_devcaps_req *)
705 malloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_NOWAIT | M_ZERO);
706 if (dc == NULL)
707 return ENOMEM;
708 dc->dc_drivercaps = ic->ic_caps;
709 dc->dc_cryptocaps = ic->ic_cryptocaps;
710 dc->dc_htcaps = ic->ic_htcaps;
711 ci = &dc->dc_chaninfo;
712 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans);
713 KASSERT(ci->ic_nchans <= maxchans,
714 ("nchans %d maxchans %d", ci->ic_nchans, maxchans));
715 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
716 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc));
717 free(dc, M_TEMP);
718 return error;
719}
720
721static __noinline int
722ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
723{
724 struct ieee80211_node *ni;
725 struct ieee80211req_sta_vlan vlan;
726 int error;
727
728 if (ireq->i_len != sizeof(vlan))
729 return EINVAL;
730 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
731 if (error != 0)
732 return error;
733 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
734 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
735 vlan.sv_macaddr);
736 if (ni == NULL)
737 return ENOENT;
738 } else
739 ni = ieee80211_ref_node(vap->iv_bss);
740 vlan.sv_vlan = ni->ni_vlan;
741 error = copyout(&vlan, ireq->i_data, sizeof(vlan));
742 ieee80211_free_node(ni);
743 return error;
744}
745
746/*
747 * Dummy ioctl get handler so the linker set is defined.
748 */
749static int
750dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq)
751{
752 return ENOSYS;
753}
754IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get);
755
756static int
757ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
758{
759 ieee80211_ioctl_getfunc * const *get;
760 int error;
761
762 SET_FOREACH(get, ieee80211_ioctl_getset) {
763 error = (*get)(vap, ireq);
764 if (error != ENOSYS)
765 return error;
766 }
767 return EINVAL;
768}
769
770/*
771 * When building the kernel with -O2 on the i386 architecture, gcc
772 * seems to want to inline this function into ieee80211_ioctl()
773 * (which is the only routine that calls it). When this happens,
774 * ieee80211_ioctl() ends up consuming an additional 2K of stack
775 * space. (Exactly why it needs so much is unclear.) The problem
776 * is that it's possible for ieee80211_ioctl() to invoke other
777 * routines (including driver init functions) which could then find
778 * themselves perilously close to exhausting the stack.
779 *
780 * To avoid this, we deliberately prevent gcc from inlining this
781 * routine. Another way to avoid this is to use less agressive
782 * optimization when compiling this file (i.e. -O instead of -O2)
783 * but special-casing the compilation of this one module in the
784 * build system would be awkward.
785 */
786static __noinline int
787ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
788 struct ieee80211req *ireq)
789{
790#define MS(_v, _f) (((_v) & _f) >> _f##_S)
791 struct ieee80211com *ic = vap->iv_ic;
792 u_int kid, len;
793 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
794 char tmpssid[IEEE80211_NWID_LEN];
795 int error = 0;
796
797 switch (ireq->i_type) {
798 case IEEE80211_IOC_SSID:
799 switch (vap->iv_state) {
800 case IEEE80211_S_INIT:
801 case IEEE80211_S_SCAN:
802 ireq->i_len = vap->iv_des_ssid[0].len;
803 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
804 break;
805 default:
806 ireq->i_len = vap->iv_bss->ni_esslen;
807 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
808 break;
809 }
810 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
811 break;
812 case IEEE80211_IOC_NUMSSIDS:
813 ireq->i_val = 1;
814 break;
815 case IEEE80211_IOC_WEP:
816 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
817 ireq->i_val = IEEE80211_WEP_OFF;
818 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
819 ireq->i_val = IEEE80211_WEP_ON;
820 else
821 ireq->i_val = IEEE80211_WEP_MIXED;
822 break;
823 case IEEE80211_IOC_WEPKEY:
824 kid = (u_int) ireq->i_val;
825 if (kid >= IEEE80211_WEP_NKID)
826 return EINVAL;
827 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
828 /* NB: only root can read WEP keys */
829 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
830 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
831 } else {
832 bzero(tmpkey, len);
833 }
834 ireq->i_len = len;
835 error = copyout(tmpkey, ireq->i_data, len);
836 break;
837 case IEEE80211_IOC_NUMWEPKEYS:
838 ireq->i_val = IEEE80211_WEP_NKID;
839 break;
840 case IEEE80211_IOC_WEPTXKEY:
841 ireq->i_val = vap->iv_def_txkey;
842 break;
843 case IEEE80211_IOC_AUTHMODE:
844 if (vap->iv_flags & IEEE80211_F_WPA)
845 ireq->i_val = IEEE80211_AUTH_WPA;
846 else
847 ireq->i_val = vap->iv_bss->ni_authmode;
848 break;
849 case IEEE80211_IOC_CHANNEL:
850 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
851 break;
852 case IEEE80211_IOC_POWERSAVE:
853 if (vap->iv_flags & IEEE80211_F_PMGTON)
854 ireq->i_val = IEEE80211_POWERSAVE_ON;
855 else
856 ireq->i_val = IEEE80211_POWERSAVE_OFF;
857 break;
858 case IEEE80211_IOC_POWERSAVESLEEP:
859 ireq->i_val = ic->ic_lintval;
860 break;
861 case IEEE80211_IOC_RTSTHRESHOLD:
862 ireq->i_val = vap->iv_rtsthreshold;
863 break;
864 case IEEE80211_IOC_PROTMODE:
865 ireq->i_val = ic->ic_protmode;
866 break;
867 case IEEE80211_IOC_TXPOWER:
868 /*
869 * Tx power limit is the min of max regulatory
870 * power, any user-set limit, and the max the
871 * radio can do.
872 */
873 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
874 if (ireq->i_val > ic->ic_txpowlimit)
875 ireq->i_val = ic->ic_txpowlimit;
876 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
877 ireq->i_val = ic->ic_curchan->ic_maxpower;
878 break;
879 case IEEE80211_IOC_WPA:
880 switch (vap->iv_flags & IEEE80211_F_WPA) {
881 case IEEE80211_F_WPA1:
882 ireq->i_val = 1;
883 break;
884 case IEEE80211_F_WPA2:
885 ireq->i_val = 2;
886 break;
887 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
888 ireq->i_val = 3;
889 break;
890 default:
891 ireq->i_val = 0;
892 break;
893 }
894 break;
895 case IEEE80211_IOC_CHANLIST:
896 error = ieee80211_ioctl_getchanlist(vap, ireq);
897 break;
898 case IEEE80211_IOC_ROAMING:
899 ireq->i_val = vap->iv_roaming;
900 break;
901 case IEEE80211_IOC_PRIVACY:
902 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
903 break;
904 case IEEE80211_IOC_DROPUNENCRYPTED:
905 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
906 break;
907 case IEEE80211_IOC_COUNTERMEASURES:
908 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
909 break;
910 case IEEE80211_IOC_WME:
911 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
912 break;
913 case IEEE80211_IOC_HIDESSID:
914 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
915 break;
916 case IEEE80211_IOC_APBRIDGE:
917 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
918 break;
919 case IEEE80211_IOC_WPAKEY:
920 error = ieee80211_ioctl_getkey(vap, ireq);
921 break;
922 case IEEE80211_IOC_CHANINFO:
923 error = ieee80211_ioctl_getchaninfo(vap, ireq);
924 break;
925 case IEEE80211_IOC_BSSID:
926 if (ireq->i_len != IEEE80211_ADDR_LEN)
927 return EINVAL;
928 if (vap->iv_state == IEEE80211_S_RUN) {
929 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ?
930 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid,
931 ireq->i_data, ireq->i_len);
932 } else
933 error = copyout(vap->iv_des_bssid, ireq->i_data,
934 ireq->i_len);
935 break;
936 case IEEE80211_IOC_WPAIE:
937 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
938 break;
939 case IEEE80211_IOC_WPAIE2:
940 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
941 break;
942 case IEEE80211_IOC_SCAN_RESULTS:
943 error = ieee80211_ioctl_getscanresults(vap, ireq);
944 break;
945 case IEEE80211_IOC_STA_STATS:
946 error = ieee80211_ioctl_getstastats(vap, ireq);
947 break;
948 case IEEE80211_IOC_TXPOWMAX:
949 ireq->i_val = vap->iv_bss->ni_txpower;
950 break;
951 case IEEE80211_IOC_STA_TXPOW:
952 error = ieee80211_ioctl_getstatxpow(vap, ireq);
953 break;
954 case IEEE80211_IOC_STA_INFO:
955 error = ieee80211_ioctl_getstainfo(vap, ireq);
956 break;
957 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
958 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
959 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
960 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
961 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
962 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
963 error = ieee80211_ioctl_getwmeparam(vap, ireq);
964 break;
965 case IEEE80211_IOC_DTIM_PERIOD:
966 ireq->i_val = vap->iv_dtim_period;
967 break;
968 case IEEE80211_IOC_BEACON_INTERVAL:
969 /* NB: get from ic_bss for station mode */
970 ireq->i_val = vap->iv_bss->ni_intval;
971 break;
972 case IEEE80211_IOC_PUREG:
973 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
974 break;
975 case IEEE80211_IOC_BGSCAN:
976 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
977 break;
978 case IEEE80211_IOC_BGSCAN_IDLE:
979 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */
980 break;
981 case IEEE80211_IOC_BGSCAN_INTERVAL:
982 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */
983 break;
984 case IEEE80211_IOC_SCANVALID:
985 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */
986 break;
987 case IEEE80211_IOC_FRAGTHRESHOLD:
988 ireq->i_val = vap->iv_fragthreshold;
989 break;
990 case IEEE80211_IOC_MACCMD:
991 error = ieee80211_ioctl_getmaccmd(vap, ireq);
992 break;
993 case IEEE80211_IOC_BURST:
994 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
995 break;
996 case IEEE80211_IOC_BMISSTHRESHOLD:
997 ireq->i_val = vap->iv_bmissthreshold;
998 break;
999 case IEEE80211_IOC_CURCHAN:
1000 error = ieee80211_ioctl_getcurchan(vap, ireq);
1001 break;
1002 case IEEE80211_IOC_SHORTGI:
1003 ireq->i_val = 0;
1004 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1005 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
1006 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1007 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
1008 break;
1009 case IEEE80211_IOC_AMPDU:
1010 ireq->i_val = 0;
1011 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1012 ireq->i_val |= 1;
1013 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1014 ireq->i_val |= 2;
1015 break;
1016 case IEEE80211_IOC_AMPDU_LIMIT:
1017 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1018 ireq->i_val = vap->iv_ampdu_rxmax;
1019 else if (vap->iv_state == IEEE80211_S_RUN)
1020 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1021 IEEE80211_HTCAP_MAXRXAMPDU);
1022 else
1023 ireq->i_val = vap->iv_ampdu_limit;
1024 break;
1025 case IEEE80211_IOC_AMPDU_DENSITY:
1026 if (vap->iv_opmode == IEEE80211_M_STA &&
1027 vap->iv_state == IEEE80211_S_RUN)
1028 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1029 IEEE80211_HTCAP_MPDUDENSITY);
1030 else
1031 ireq->i_val = vap->iv_ampdu_density;
1032 break;
1033 case IEEE80211_IOC_AMSDU:
1034 ireq->i_val = 0;
1035 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1036 ireq->i_val |= 1;
1037 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1038 ireq->i_val |= 2;
1039 break;
1040 case IEEE80211_IOC_AMSDU_LIMIT:
1041 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */
1042 break;
1043 case IEEE80211_IOC_PUREN:
1044 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1045 break;
1046 case IEEE80211_IOC_DOTH:
1047 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1048 break;
1049 case IEEE80211_IOC_REGDOMAIN:
1050 error = ieee80211_ioctl_getregdomain(vap, ireq);
1051 break;
1052 case IEEE80211_IOC_ROAM:
1053 error = ieee80211_ioctl_getroam(vap, ireq);
1054 break;
1055 case IEEE80211_IOC_TXPARAMS:
1056 error = ieee80211_ioctl_gettxparams(vap, ireq);
1057 break;
1058 case IEEE80211_IOC_HTCOMPAT:
1059 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1060 break;
1061 case IEEE80211_IOC_DWDS:
1062 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1063 break;
1064 case IEEE80211_IOC_INACTIVITY:
1065 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1066 break;
1067 case IEEE80211_IOC_APPIE:
1068 error = ieee80211_ioctl_getappie(vap, ireq);
1069 break;
1070 case IEEE80211_IOC_WPS:
1071 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1072 break;
1073 case IEEE80211_IOC_TSN:
1074 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1075 break;
1076 case IEEE80211_IOC_DFS:
1077 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1078 break;
1079 case IEEE80211_IOC_DOTD:
1080 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1081 break;
1082 case IEEE80211_IOC_DEVCAPS:
1083 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1084 break;
1085 case IEEE80211_IOC_HTPROTMODE:
1086 ireq->i_val = ic->ic_htprotmode;
1087 break;
1088 case IEEE80211_IOC_HTCONF:
1089 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1090 ireq->i_val = 1;
1091 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1092 ireq->i_val |= 2;
1093 } else
1094 ireq->i_val = 0;
1095 break;
1096 case IEEE80211_IOC_STA_VLAN:
1097 error = ieee80211_ioctl_getstavlan(vap, ireq);
1098 break;
1099 case IEEE80211_IOC_SMPS:
1100 if (vap->iv_opmode == IEEE80211_M_STA &&
1101 vap->iv_state == IEEE80211_S_RUN) {
1102 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1103 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1104 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1105 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1106 else
1107 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1108 } else
1109 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1110 break;
1111 case IEEE80211_IOC_RIFS:
1112 if (vap->iv_opmode == IEEE80211_M_STA &&
1113 vap->iv_state == IEEE80211_S_RUN)
1114 ireq->i_val =
1115 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1116 else
1117 ireq->i_val =
1118 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1119 break;
1120 default:
1121 error = ieee80211_ioctl_getdefault(vap, ireq);
1122 break;
1123 }
1124 return error;
1125#undef MS
1126}
1127
1128static __noinline int
1129ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1130{
1131 struct ieee80211req_key ik;
1132 struct ieee80211_node *ni;
1133 struct ieee80211_key *wk;
1134 uint16_t kid;
1135 int error, i;
1136
1137 if (ireq->i_len != sizeof(ik))
1138 return EINVAL;
1139 error = copyin(ireq->i_data, &ik, sizeof(ik));
1140 if (error)
1141 return error;
1142 /* NB: cipher support is verified by ieee80211_crypt_newkey */
1143 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1144 if (ik.ik_keylen > sizeof(ik.ik_keydata))
1145 return E2BIG;
1146 kid = ik.ik_keyix;
1147 if (kid == IEEE80211_KEYIX_NONE) {
1148 /* XXX unicast keys currently must be tx/rx */
1149 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1150 return EINVAL;
1151 if (vap->iv_opmode == IEEE80211_M_STA) {
1152 ni = ieee80211_ref_node(vap->iv_bss);
1153 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1154 ieee80211_free_node(ni);
1155 return EADDRNOTAVAIL;
1156 }
1157 } else {
1158 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1159 ik.ik_macaddr);
1160 if (ni == NULL)
1161 return ENOENT;
1162 }
1163 wk = &ni->ni_ucastkey;
1164 } else {
1165 if (kid >= IEEE80211_WEP_NKID)
1166 return EINVAL;
1167 wk = &vap->iv_nw_keys[kid];
1168 /*
1169 * Global slots start off w/o any assigned key index.
1170 * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1171 */
1172 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1173 wk->wk_keyix = kid;
1174 ni = NULL;
1175 }
1176 error = 0;
1177 ieee80211_key_update_begin(vap);
1178 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1179 wk->wk_keylen = ik.ik_keylen;
1180 /* NB: MIC presence is implied by cipher type */
1181 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1182 wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1183 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1184 wk->wk_keyrsc[i] = ik.ik_keyrsc;
1185 wk->wk_keytsc = 0; /* new key, reset */
1186 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1187 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1188 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1189 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr);
1190 if (!ieee80211_crypto_setkey(vap, wk))
1191 error = EIO;
1192 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1193 vap->iv_def_txkey = kid;
1194 } else
1195 error = ENXIO;
1196 ieee80211_key_update_end(vap);
1197 if (ni != NULL)
1198 ieee80211_free_node(ni);
1199 return error;
1200}
1201
1202static __noinline int
1203ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1204{
1205 struct ieee80211req_del_key dk;
1206 int kid, error;
1207
1208 if (ireq->i_len != sizeof(dk))
1209 return EINVAL;
1210 error = copyin(ireq->i_data, &dk, sizeof(dk));
1211 if (error)
1212 return error;
1213 kid = dk.idk_keyix;
1214 /* XXX uint8_t -> uint16_t */
1215 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1216 struct ieee80211_node *ni;
1217
1218 if (vap->iv_opmode == IEEE80211_M_STA) {
1219 ni = ieee80211_ref_node(vap->iv_bss);
1220 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1221 ieee80211_free_node(ni);
1222 return EADDRNOTAVAIL;
1223 }
1224 } else {
1225 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1226 dk.idk_macaddr);
1227 if (ni == NULL)
1228 return ENOENT;
1229 }
1230 /* XXX error return */
1231 ieee80211_node_delucastkey(ni);
1232 ieee80211_free_node(ni);
1233 } else {
1234 if (kid >= IEEE80211_WEP_NKID)
1235 return EINVAL;
1236 /* XXX error return */
1237 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1238 }
1239 return 0;
1240}
1241
1242struct mlmeop {
1243 struct ieee80211vap *vap;
1244 int op;
1245 int reason;
1246};
1247
1248static void
1249mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1250 int op, int reason)
1251{
1252#ifdef IEEE80211_DEBUG
1253 static const struct {
1254 int mask;
1255 const char *opstr;
1256 } ops[] = {
1257 { 0, "op#0" },
1258 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1259 IEEE80211_MSG_ASSOC, "assoc" },
1260 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1261 IEEE80211_MSG_ASSOC, "disassoc" },
1262 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1263 IEEE80211_MSG_AUTH, "deauth" },
1264 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1265 IEEE80211_MSG_AUTH, "authorize" },
1266 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1267 IEEE80211_MSG_AUTH, "unauthorize" },
1268 };
1269
1270 if (op == IEEE80211_MLME_AUTH) {
1271 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1272 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1273 "station authenticate %s via MLME (reason %d)",
1274 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1275 reason);
1276 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1277 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1278 "unknown MLME request %d (reason %d)", op, reason);
1279 } else if (reason == IEEE80211_STATUS_SUCCESS) {
1280 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1281 "station %s via MLME", ops[op].opstr);
1282 } else {
1283 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1284 "station %s via MLME (reason %d)", ops[op].opstr, reason);
1285 }
1286#endif /* IEEE80211_DEBUG */
1287}
1288
1289static void
1290domlme(void *arg, struct ieee80211_node *ni)
1291{
1292 struct mlmeop *mop = arg;
1293 struct ieee80211vap *vap = ni->ni_vap;
1294
1295 if (vap != mop->vap)
1296 return;
1297 /*
1298 * NB: if ni_associd is zero then the node is already cleaned
1299 * up and we don't need to do this (we're safely holding a
1300 * reference but should otherwise not modify it's state).
1301 */
1302 if (ni->ni_associd == 0)
1303 return;
1304 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1305 if (mop->op == IEEE80211_MLME_DEAUTH) {
1306 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1307 mop->reason);
1308 } else {
1309 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1310 mop->reason);
1311 }
1312 ieee80211_node_leave(ni);
1313}
1314
1315static int
1316setmlme_dropsta(struct ieee80211vap *vap,
1317 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1318{
1319 struct ieee80211com *ic = vap->iv_ic;
1320 struct ieee80211_node_table *nt = &ic->ic_sta;
1321 struct ieee80211_node *ni;
1322 int error = 0;
1323
1324 /* NB: the broadcast address means do 'em all */
1325 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) {
1326 IEEE80211_NODE_LOCK(nt);
1327 ni = ieee80211_find_node_locked(nt, mac);
1328 if (ni != NULL) {
1329 domlme(mlmeop, ni);
1330 ieee80211_free_node(ni);
1331 } else
1332 error = ENOENT;
1333 IEEE80211_NODE_UNLOCK(nt);
1334 } else {
1335 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1336 }
1337 return error;
1338}
1339
1340static __noinline int
1341setmlme_common(struct ieee80211vap *vap, int op,
1342 const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1343{
1344 struct ieee80211com *ic = vap->iv_ic;
1345 struct ieee80211_node_table *nt = &ic->ic_sta;
1346 struct ieee80211_node *ni;
1347 struct mlmeop mlmeop;
1348 int error;
1349
1350 error = 0;
1351 switch (op) {
1352 case IEEE80211_MLME_DISASSOC:
1353 case IEEE80211_MLME_DEAUTH:
1354 switch (vap->iv_opmode) {
1355 case IEEE80211_M_STA:
1356 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1357 /* XXX not quite right */
1358 ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1359 break;
1360 case IEEE80211_M_HOSTAP:
1361 mlmeop.vap = vap;
1362 mlmeop.op = op;
1363 mlmeop.reason = reason;
1364 error = setmlme_dropsta(vap, mac, &mlmeop);
1365 break;
1366 case IEEE80211_M_WDS:
1367 /* XXX user app should send raw frame? */
1368 if (op != IEEE80211_MLME_DEAUTH) {
1369 error = EINVAL;
1370 break;
1371 }
1372#if 0
1373 /* XXX accept any address, simplifies user code */
1374 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1375 error = EINVAL;
1376 break;
1377 }
1378#endif
1379 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1380 ni = ieee80211_ref_node(vap->iv_bss);
1381 IEEE80211_SEND_MGMT(ni,
1382 IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1383 ieee80211_free_node(ni);
1384 break;
1385 default:
1386 error = EINVAL;
1387 break;
1388 }
1389 break;
1390 case IEEE80211_MLME_AUTHORIZE:
1391 case IEEE80211_MLME_UNAUTHORIZE:
1392 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1393 vap->iv_opmode != IEEE80211_M_WDS) {
1394 error = EINVAL;
1395 break;
1396 }
1397 IEEE80211_NODE_LOCK(nt);
1398 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1399 if (ni != NULL) {
1400 mlmedebug(vap, mac, op, reason);
1401 if (op == IEEE80211_MLME_AUTHORIZE)
1402 ieee80211_node_authorize(ni);
1403 else
1404 ieee80211_node_unauthorize(ni);
1405 ieee80211_free_node(ni);
1406 } else
1407 error = ENOENT;
1408 IEEE80211_NODE_UNLOCK(nt);
1409 break;
1410 case IEEE80211_MLME_AUTH:
1411 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1412 error = EINVAL;
1413 break;
1414 }
1415 IEEE80211_NODE_LOCK(nt);
1416 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1417 if (ni != NULL) {
1418 mlmedebug(vap, mac, op, reason);
1419 if (reason == IEEE80211_STATUS_SUCCESS) {
1420 IEEE80211_SEND_MGMT(ni,
1421 IEEE80211_FC0_SUBTYPE_AUTH, 2);
1422 /*
1423 * For shared key auth, just continue the
1424 * exchange. Otherwise when 802.1x is not in
1425 * use mark the port authorized at this point
1426 * so traffic can flow.
1427 */
1428 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1429 ni->ni_challenge == NULL)
1430 ieee80211_node_authorize(ni);
1431 } else {
1432 vap->iv_stats.is_rx_acl++;
1433 ieee80211_send_error(ni, ni->ni_macaddr,
1434 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1435 ieee80211_node_leave(ni);
1436 }
1437 ieee80211_free_node(ni);
1438 } else
1439 error = ENOENT;
1440 IEEE80211_NODE_UNLOCK(nt);
1441 break;
1442 default:
1443 error = EINVAL;
1444 break;
1445 }
1446 return error;
1447}
1448
1449struct scanlookup {
1450 const uint8_t *mac;
1451 int esslen;
1452 const uint8_t *essid;
1453 const struct ieee80211_scan_entry *se;
1454};
1455
1456/*
1457 * Match mac address and any ssid.
1458 */
1459static void
1460mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1461{
1462 struct scanlookup *look = arg;
1463
1464 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1465 return;
1466 if (look->esslen != 0) {
1467 if (se->se_ssid[1] != look->esslen)
1468 return;
1469 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1470 return;
1471 }
1472 look->se = se;
1473}
1474
1475static __noinline int
1476setmlme_assoc_sta(struct ieee80211vap *vap,
1477 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1478 const uint8_t ssid[IEEE80211_NWID_LEN])
1479{
1480 struct scanlookup lookup;
1481
1482 KASSERT(vap->iv_opmode == IEEE80211_M_STA,
1483 ("expected opmode STA not %s",
1484 ieee80211_opmode_name[vap->iv_opmode]));
1485
1486 /* NB: this is racey if roaming is !manual */
1487 lookup.se = NULL;
1488 lookup.mac = mac;
1489 lookup.esslen = ssid_len;
1490 lookup.essid = ssid;
1491 ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1492 if (lookup.se == NULL)
1493 return ENOENT;
1494 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1495 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1496 return EIO; /* XXX unique but could be better */
1497 return 0;
1498}
1499
1500static __noinline int
1501setmlme_assoc_adhoc(struct ieee80211vap *vap,
1502 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1503 const uint8_t ssid[IEEE80211_NWID_LEN])
1504{
1505 struct ieee80211_scan_req sr;
1506
1507 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS ||
1508 vap->iv_opmode == IEEE80211_M_AHDEMO,
1509 ("expected opmode IBSS or AHDEMO not %s",
1510 ieee80211_opmode_name[vap->iv_opmode]));
1511
1512 if (ssid_len == 0)
1513 return EINVAL;
1514
1515 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */
1516 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
1517 vap->iv_des_ssid[0].len = ssid_len;
1518 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len);
1519 vap->iv_des_nssid = 1;
1520
1521 memset(&sr, 0, sizeof(sr));
1522 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE;
1523 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1524 memcpy(sr.sr_ssid[0].ssid, ssid, ssid_len);
1525 sr.sr_ssid[0].len = ssid_len;
1526 sr.sr_nssid = 1;
1527
1528 return ieee80211_scanreq(vap, &sr);
1529}
1530
1531static __noinline int
1532ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1533{
1534 struct ieee80211req_mlme mlme;
1535 int error;
1536
1537 if (ireq->i_len != sizeof(mlme))
1538 return EINVAL;
1539 error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1540 if (error)
1541 return error;
1542 if (vap->iv_opmode == IEEE80211_M_STA &&
1543 mlme.im_op == IEEE80211_MLME_ASSOC)
1544 return setmlme_assoc_sta(vap, mlme.im_macaddr,
1545 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1546 else if (mlme.im_op == IEEE80211_MLME_ASSOC)
1547 return setmlme_assoc_adhoc(vap, mlme.im_macaddr,
1548 mlme.im_ssid_len, mlme.im_ssid);
1549 else
1550 return setmlme_common(vap, mlme.im_op,
1551 mlme.im_macaddr, mlme.im_reason);
1552}
1553
1554static __noinline int
1555ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1556{
1557 uint8_t mac[IEEE80211_ADDR_LEN];
1558 const struct ieee80211_aclator *acl = vap->iv_acl;
1559 int error;
1560
1561 if (ireq->i_len != sizeof(mac))
1562 return EINVAL;
1563 error = copyin(ireq->i_data, mac, ireq->i_len);
1564 if (error)
1565 return error;
1566 if (acl == NULL) {
1567 acl = ieee80211_aclator_get("mac");
1568 if (acl == NULL || !acl->iac_attach(vap))
1569 return EINVAL;
1570 vap->iv_acl = acl;
1571 }
1572 if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1573 acl->iac_add(vap, mac);
1574 else
1575 acl->iac_remove(vap, mac);
1576 return 0;
1577}
1578
1579static __noinline int
1580ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1581{
1582 const struct ieee80211_aclator *acl = vap->iv_acl;
1583
1584 switch (ireq->i_val) {
1585 case IEEE80211_MACCMD_POLICY_OPEN:
1586 case IEEE80211_MACCMD_POLICY_ALLOW:
1587 case IEEE80211_MACCMD_POLICY_DENY:
1588 case IEEE80211_MACCMD_POLICY_RADIUS:
1589 if (acl == NULL) {
1590 acl = ieee80211_aclator_get("mac");
1591 if (acl == NULL || !acl->iac_attach(vap))
1592 return EINVAL;
1593 vap->iv_acl = acl;
1594 }
1595 acl->iac_setpolicy(vap, ireq->i_val);
1596 break;
1597 case IEEE80211_MACCMD_FLUSH:
1598 if (acl != NULL)
1599 acl->iac_flush(vap);
1600 /* NB: silently ignore when not in use */
1601 break;
1602 case IEEE80211_MACCMD_DETACH:
1603 if (acl != NULL) {
1604 vap->iv_acl = NULL;
1605 acl->iac_detach(vap);
1606 }
1607 break;
1608 default:
1609 if (acl == NULL)
1610 return EINVAL;
1611 else
1612 return acl->iac_setioctl(vap, ireq);
1613 }
1614 return 0;
1615}
1616
1617static __noinline int
1618ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1619{
1620 struct ieee80211com *ic = vap->iv_ic;
1621 uint8_t *chanlist, *list;
1622 int i, nchan, maxchan, error;
1623
1624 if (ireq->i_len > sizeof(ic->ic_chan_active))
1625 ireq->i_len = sizeof(ic->ic_chan_active);
1626 list = malloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1627 M_NOWAIT | M_ZERO);
1628 if (list == NULL)
1629 return ENOMEM;
1630 error = copyin(ireq->i_data, list, ireq->i_len);
1631 if (error) {
1632 free(list, M_TEMP);
1633 return error;
1634 }
1635 nchan = 0;
1636 chanlist = list + ireq->i_len; /* NB: zero'd already */
1637 maxchan = ireq->i_len * NBBY;
1638 for (i = 0; i < ic->ic_nchans; i++) {
1639 const struct ieee80211_channel *c = &ic->ic_channels[i];
1640 /*
1641 * Calculate the intersection of the user list and the
1642 * available channels so users can do things like specify
1643 * 1-255 to get all available channels.
1644 */
1645 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1646 setbit(chanlist, c->ic_ieee);
1647 nchan++;
1648 }
1649 }
1650 if (nchan == 0) {
1651 free(list, M_TEMP);
1652 return EINVAL;
1653 }
1654 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */
1655 isclr(chanlist, ic->ic_bsschan->ic_ieee))
1656 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1657 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1658 ieee80211_scan_flush(vap);
1659 free(list, M_TEMP);
1660 return ENETRESET;
1661}
1662
1663static __noinline int
1664ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1665{
1666 struct ieee80211_node *ni;
1667 uint8_t macaddr[IEEE80211_ADDR_LEN];
1668 int error;
1669
1670 /*
1671 * NB: we could copyin ieee80211req_sta_stats so apps
1672 * could make selective changes but that's overkill;
1673 * just clear all stats for now.
1674 */
1675 if (ireq->i_len < IEEE80211_ADDR_LEN)
1676 return EINVAL;
1677 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1678 if (error != 0)
1679 return error;
1680 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1681 if (ni == NULL)
1682 return ENOENT;
1683 /* XXX require ni_vap == vap? */
1684 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1685 ieee80211_free_node(ni);
1686 return 0;
1687}
1688
1689static __noinline int
1690ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1691{
1692 struct ieee80211_node *ni;
1693 struct ieee80211req_sta_txpow txpow;
1694 int error;
1695
1696 if (ireq->i_len != sizeof(txpow))
1697 return EINVAL;
1698 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1699 if (error != 0)
1700 return error;
1701 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1702 if (ni == NULL)
1703 return ENOENT;
1704 ni->ni_txpower = txpow.it_txpow;
1705 ieee80211_free_node(ni);
1706 return error;
1707}
1708
1709static __noinline int
1710ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1711{
1712 struct ieee80211com *ic = vap->iv_ic;
1713 struct ieee80211_wme_state *wme = &ic->ic_wme;
1714 struct wmeParams *wmep, *chanp;
1715 int isbss, ac;
1716
1717 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1718 return EOPNOTSUPP;
1719
1720 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1721 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1722 if (ac >= WME_NUM_AC)
1723 ac = WME_AC_BE;
1724 if (isbss) {
1725 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1726 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1727 } else {
1728 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1729 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1730 }
1731 switch (ireq->i_type) {
1732 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1733 if (isbss) {
1734 wmep->wmep_logcwmin = ireq->i_val;
1735 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1736 chanp->wmep_logcwmin = ireq->i_val;
1737 } else {
1738 wmep->wmep_logcwmin = chanp->wmep_logcwmin =
1739 ireq->i_val;
1740 }
1741 break;
1742 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1743 if (isbss) {
1744 wmep->wmep_logcwmax = ireq->i_val;
1745 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1746 chanp->wmep_logcwmax = ireq->i_val;
1747 } else {
1748 wmep->wmep_logcwmax = chanp->wmep_logcwmax =
1749 ireq->i_val;
1750 }
1751 break;
1752 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1753 if (isbss) {
1754 wmep->wmep_aifsn = ireq->i_val;
1755 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1756 chanp->wmep_aifsn = ireq->i_val;
1757 } else {
1758 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val;
1759 }
1760 break;
1761 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1762 if (isbss) {
1763 wmep->wmep_txopLimit = ireq->i_val;
1764 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1765 chanp->wmep_txopLimit = ireq->i_val;
1766 } else {
1767 wmep->wmep_txopLimit = chanp->wmep_txopLimit =
1768 ireq->i_val;
1769 }
1770 break;
1771 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1772 wmep->wmep_acm = ireq->i_val;
1773 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1774 chanp->wmep_acm = ireq->i_val;
1775 break;
1776 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1777 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1778 (ireq->i_val) == 0;
1779 break;
1780 }
1781 ieee80211_wme_updateparams(vap);
1782 return 0;
1783}
1784
1785static int
1786find11gchannel(struct ieee80211com *ic, int start, int freq)
1787{
1788 const struct ieee80211_channel *c;
1789 int i;
1790
1791 for (i = start+1; i < ic->ic_nchans; i++) {
1792 c = &ic->ic_channels[i];
1793 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1794 return 1;
1795 }
1796 /* NB: should not be needed but in case things are mis-sorted */
1797 for (i = 0; i < start; i++) {
1798 c = &ic->ic_channels[i];
1799 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1800 return 1;
1801 }
1802 return 0;
1803}
1804
1805static struct ieee80211_channel *
1806findchannel(struct ieee80211com *ic, int ieee, int mode)
1807{
1808 static const u_int chanflags[IEEE80211_MODE_MAX] = {
1809 [IEEE80211_MODE_AUTO] = 0,
1810 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A,
1811 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B,
1812 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G,
1813 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS,
1814 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A,
1815 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G,
1816 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO,
1817 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF,
1818 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER,
1819 /* NB: handled specially below */
1820 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A,
1821 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G,
1822 };
1823 u_int modeflags;
1824 int i;
1825
1826 modeflags = chanflags[mode];
1827 for (i = 0; i < ic->ic_nchans; i++) {
1828 struct ieee80211_channel *c = &ic->ic_channels[i];
1829
1830 if (c->ic_ieee != ieee)
1831 continue;
1832 if (mode == IEEE80211_MODE_AUTO) {
1833 /* ignore turbo channels for autoselect */
1834 if (IEEE80211_IS_CHAN_TURBO(c))
1835 continue;
1836 /*
1837 * XXX special-case 11b/g channels so we
1838 * always select the g channel if both
1839 * are present.
1840 * XXX prefer HT to non-HT?
1841 */
1842 if (!IEEE80211_IS_CHAN_B(c) ||
1843 !find11gchannel(ic, i, c->ic_freq))
1844 return c;
1845 } else {
1846 /* must check HT specially */
1847 if ((mode == IEEE80211_MODE_11NA ||
1848 mode == IEEE80211_MODE_11NG) &&
1849 !IEEE80211_IS_CHAN_HT(c))
1850 continue;
1851 if ((c->ic_flags & modeflags) == modeflags)
1852 return c;
1853 }
1854 }
1855 return NULL;
1856}
1857
1858/*
1859 * Check the specified against any desired mode (aka netband).
1860 * This is only used (presently) when operating in hostap mode
1861 * to enforce consistency.
1862 */
1863static int
1864check_mode_consistency(const struct ieee80211_channel *c, int mode)
1865{
1866 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1867
1868 switch (mode) {
1869 case IEEE80211_MODE_11B:
1870 return (IEEE80211_IS_CHAN_B(c));
1871 case IEEE80211_MODE_11G:
1872 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1873 case IEEE80211_MODE_11A:
1874 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1875 case IEEE80211_MODE_STURBO_A:
1876 return (IEEE80211_IS_CHAN_STURBO(c));
1877 case IEEE80211_MODE_11NA:
1878 return (IEEE80211_IS_CHAN_HTA(c));
1879 case IEEE80211_MODE_11NG:
1880 return (IEEE80211_IS_CHAN_HTG(c));
1881 }
1882 return 1;
1883
1884}
1885
1886/*
1887 * Common code to set the current channel. If the device
1888 * is up and running this may result in an immediate channel
1889 * change or a kick of the state machine.
1890 */
1891static int
1892setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1893{
1894 struct ieee80211com *ic = vap->iv_ic;
1895 int error;
1896
1897 if (c != IEEE80211_CHAN_ANYC) {
1898 if (IEEE80211_IS_CHAN_RADAR(c))
1899 return EBUSY; /* XXX better code? */
1900 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1901 if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1902 return EINVAL;
1903 if (!check_mode_consistency(c, vap->iv_des_mode))
1904 return EINVAL;
1905 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1906 if (IEEE80211_IS_CHAN_NOADHOC(c))
1907 return EINVAL;
1908 }
1909 if (vap->iv_state == IEEE80211_S_RUN &&
1910 vap->iv_bss->ni_chan == c)
1911 return 0; /* NB: nothing to do */
1912 }
1913 vap->iv_des_chan = c;
1914
1915 error = 0;
1916 if (vap->iv_opmode == IEEE80211_M_MONITOR &&
1917 vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1918 /*
1919 * Monitor mode can switch directly.
1920 */
1921 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
1922 /* XXX need state machine for other vap's to follow */
1923 ieee80211_setcurchan(ic, vap->iv_des_chan);
1924 vap->iv_bss->ni_chan = ic->ic_curchan;
1925 } else
1926 ic->ic_curchan = vap->iv_des_chan;
1927 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1928 } else {
1929 /*
1930 * Need to go through the state machine in case we
1931 * need to reassociate or the like. The state machine
1932 * will pickup the desired channel and avoid scanning.
1933 */
1934 if (IS_UP_AUTO(vap))
1935 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
1936 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1937 /*
1938 * When not up+running and a real channel has
1939 * been specified fix the current channel so
1940 * there is immediate feedback; e.g. via ifconfig.
1941 */
1942 ic->ic_curchan = vap->iv_des_chan;
1943 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1944 }
1945 }
1946 return error;
1947}
1948
1949/*
1950 * Old api for setting the current channel; this is
1951 * deprecated because channel numbers are ambiguous.
1952 */
1953static __noinline int
1954ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
1955 const struct ieee80211req *ireq)
1956{
1957 struct ieee80211com *ic = vap->iv_ic;
1958 struct ieee80211_channel *c;
1959
1960 /* XXX 0xffff overflows 16-bit signed */
1961 if (ireq->i_val == 0 ||
1962 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
1963 c = IEEE80211_CHAN_ANYC;
1964 } else {
1965 struct ieee80211_channel *c2;
1966
1967 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
1968 if (c == NULL) {
1969 c = findchannel(ic, ireq->i_val,
1970 IEEE80211_MODE_AUTO);
1971 if (c == NULL)
1972 return EINVAL;
1973 }
1974 /*
1975 * Fine tune channel selection based on desired mode:
1976 * if 11b is requested, find the 11b version of any
1977 * 11g channel returned,
1978 * if static turbo, find the turbo version of any
1979 * 11a channel return,
1980 * if 11na is requested, find the ht version of any
1981 * 11a channel returned,
1982 * if 11ng is requested, find the ht version of any
1983 * 11g channel returned,
1984 * otherwise we should be ok with what we've got.
1985 */
1986 switch (vap->iv_des_mode) {
1987 case IEEE80211_MODE_11B:
1988 if (IEEE80211_IS_CHAN_ANYG(c)) {
1989 c2 = findchannel(ic, ireq->i_val,
1990 IEEE80211_MODE_11B);
1991 /* NB: should not happen, =>'s 11g w/o 11b */
1992 if (c2 != NULL)
1993 c = c2;
1994 }
1995 break;
1996 case IEEE80211_MODE_TURBO_A:
1997 if (IEEE80211_IS_CHAN_A(c)) {
1998 c2 = findchannel(ic, ireq->i_val,
1999 IEEE80211_MODE_TURBO_A);
2000 if (c2 != NULL)
2001 c = c2;
2002 }
2003 break;
2004 case IEEE80211_MODE_11NA:
2005 if (IEEE80211_IS_CHAN_A(c)) {
2006 c2 = findchannel(ic, ireq->i_val,
2007 IEEE80211_MODE_11NA);
2008 if (c2 != NULL)
2009 c = c2;
2010 }
2011 break;
2012 case IEEE80211_MODE_11NG:
2013 if (IEEE80211_IS_CHAN_ANYG(c)) {
2014 c2 = findchannel(ic, ireq->i_val,
2015 IEEE80211_MODE_11NG);
2016 if (c2 != NULL)
2017 c = c2;
2018 }
2019 break;
2020 default: /* NB: no static turboG */
2021 break;
2022 }
2023 }
2024 return setcurchan(vap, c);
2025}
2026
2027/*
2028 * New/current api for setting the current channel; a complete
2029 * channel description is provide so there is no ambiguity in
2030 * identifying the channel.
2031 */
2032static __noinline int
2033ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
2034 const struct ieee80211req *ireq)
2035{
2036 struct ieee80211com *ic = vap->iv_ic;
2037 struct ieee80211_channel chan, *c;
2038 int error;
2039
2040 if (ireq->i_len != sizeof(chan))
2041 return EINVAL;
2042 error = copyin(ireq->i_data, &chan, sizeof(chan));
2043 if (error != 0)
2044 return error;
2045 /* XXX 0xffff overflows 16-bit signed */
2046 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
2047 c = IEEE80211_CHAN_ANYC;
2048 } else {
2049 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2050 if (c == NULL)
2051 return EINVAL;
2052 }
2053 return setcurchan(vap, c);
2054}
2055
2056static __noinline int
2057ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2058 const struct ieee80211req *ireq)
2059{
2060 struct ieee80211_regdomain_req *reg;
2061 int nchans, error;
2062
2063 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2064 sizeof(struct ieee80211_channel));
2065 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2066 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2067 "%s: bad # chans, i_len %d nchans %d\n", __func__,
2068 ireq->i_len, nchans);
2069 return EINVAL;
2070 }
2071 reg = (struct ieee80211_regdomain_req *)
2072 malloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_NOWAIT);
2073 if (reg == NULL) {
2074 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2075 "%s: no memory, nchans %d\n", __func__, nchans);
2076 return ENOMEM;
2077 }
2078 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2079 if (error == 0) {
2080 /* NB: validate inline channel count against storage size */
2081 if (reg->chaninfo.ic_nchans != nchans) {
2082 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2083 "%s: chan cnt mismatch, %d != %d\n", __func__,
2084 reg->chaninfo.ic_nchans, nchans);
2085 error = EINVAL;
2086 } else
2087 error = ieee80211_setregdomain(vap, reg);
2088 }
2089 free(reg, M_TEMP);
2090
2091 return (error == 0 ? ENETRESET : error);
2092}
2093
2094static int
2095ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2096 const struct ieee80211req *ireq)
2097{
2098 if (ireq->i_len != sizeof(vap->iv_roamparms))
2099 return EINVAL;
2100 /* XXX validate params */
2101 /* XXX? ENETRESET to push to device? */
2102 return copyin(ireq->i_data, vap->iv_roamparms,
2103 sizeof(vap->iv_roamparms));
2104}
2105
2106static int
2107checkrate(const struct ieee80211_rateset *rs, int rate)
2108{
2109 int i;
2110
2111 if (rate == IEEE80211_FIXED_RATE_NONE)
2112 return 1;
2113 for (i = 0; i < rs->rs_nrates; i++)
2114 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2115 return 1;
2116 return 0;
2117}
2118
2119static int
2120checkmcs(int mcs)
2121{
2122 if (mcs == IEEE80211_FIXED_RATE_NONE)
2123 return 1;
2124 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */
2125 return 0;
2126 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */
2127}
2128
2129static __noinline int
2130ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2131 const struct ieee80211req *ireq)
2132{
2133 struct ieee80211com *ic = vap->iv_ic;
2134 struct ieee80211_txparams_req parms; /* XXX stack use? */
2135 struct ieee80211_txparam *src, *dst;
2136 const struct ieee80211_rateset *rs;
2137 int error, mode, changed, is11n, nmodes;
2138
2139 /* NB: accept short requests for backwards compat */
2140 if (ireq->i_len > sizeof(parms))
2141 return EINVAL;
2142 error = copyin(ireq->i_data, &parms, ireq->i_len);
2143 if (error != 0)
2144 return error;
2145 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2146 changed = 0;
2147 /* validate parameters and check if anything changed */
2148 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2149 if (isclr(ic->ic_modecaps, mode))
2150 continue;
2151 src = &parms.params[mode];
2152 dst = &vap->iv_txparms[mode];
2153 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */
2154 is11n = (mode == IEEE80211_MODE_11NA ||
2155 mode == IEEE80211_MODE_11NG);
2156 if (src->ucastrate != dst->ucastrate) {
2157 if (!checkrate(rs, src->ucastrate) &&
2158 (!is11n || !checkmcs(src->ucastrate)))
2159 return EINVAL;
2160 changed++;
2161 }
2162 if (src->mcastrate != dst->mcastrate) {
2163 if (!checkrate(rs, src->mcastrate) &&
2164 (!is11n || !checkmcs(src->mcastrate)))
2165 return EINVAL;
2166 changed++;
2167 }
2168 if (src->mgmtrate != dst->mgmtrate) {
2169 if (!checkrate(rs, src->mgmtrate) &&
2170 (!is11n || !checkmcs(src->mgmtrate)))
2171 return EINVAL;
2172 changed++;
2173 }
2174 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2175 changed++;
2176 }
2177 if (changed) {
2178 /*
2179 * Copy new parameters in place and notify the
2180 * driver so it can push state to the device.
2181 */
2182 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2183 if (isset(ic->ic_modecaps, mode))
2184 vap->iv_txparms[mode] = parms.params[mode];
2185 }
2186 /* XXX could be more intelligent,
2187 e.g. don't reset if setting not being used */
2188 return ENETRESET;
2189 }
2190 return 0;
2191}
2192
2193/*
2194 * Application Information Element support.
2195 */
2196static int
2197setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2198{
2199 struct ieee80211_appie *app = *aie;
2200 struct ieee80211_appie *napp;
2201 int error;
2202
2203 if (ireq->i_len == 0) { /* delete any existing ie */
2204 if (app != NULL) {
2205 *aie = NULL; /* XXX racey */
2206 free(app, M_80211_NODE_IE);
2207 }
2208 return 0;
2209 }
2210 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2211 return EINVAL;
2212 /*
2213 * Allocate a new appie structure and copy in the user data.
2214 * When done swap in the new structure. Note that we do not
2215 * guard against users holding a ref to the old structure;
2216 * this must be handled outside this code.
2217 *
2218 * XXX bad bad bad
2219 */
2220 napp = (struct ieee80211_appie *) malloc(
2221 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_NOWAIT);
2222 if (napp == NULL)
2223 return ENOMEM;
2224 /* XXX holding ic lock */
2225 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2226 if (error) {
2227 free(napp, M_80211_NODE_IE);
2228 return error;
2229 }
2230 napp->ie_len = ireq->i_len;
2231 *aie = napp;
2232 if (app != NULL)
2233 free(app, M_80211_NODE_IE);
2234 return 0;
2235}
2236
2237static void
2238setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2239{
2240 /* validate data is present as best we can */
2241 if (space == 0 || 2+ie[1] > space)
2242 return;
2243 if (ie[0] == IEEE80211_ELEMID_VENDOR)
2244 vap->iv_wpa_ie = ie;
2245 else if (ie[0] == IEEE80211_ELEMID_RSN)
2246 vap->iv_rsn_ie = ie;
2247}
2248
2249static __noinline int
2250ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2251 const struct ieee80211req *ireq, int fc0)
2252{
2253 int error;
2254
2255 IEEE80211_LOCK_ASSERT(vap->iv_ic);
2256
2257 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2258 case IEEE80211_FC0_SUBTYPE_BEACON:
2259 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2260 vap->iv_opmode != IEEE80211_M_IBSS) {
2261 error = EINVAL;
2262 break;
2263 }
2264 error = setappie(&vap->iv_appie_beacon, ireq);
2265 if (error == 0)
2266 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2267 break;
2268 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2269 error = setappie(&vap->iv_appie_proberesp, ireq);
2270 break;
2271 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2272 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2273 error = setappie(&vap->iv_appie_assocresp, ireq);
2274 else
2275 error = EINVAL;
2276 break;
2277 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2278 error = setappie(&vap->iv_appie_probereq, ireq);
2279 break;
2280 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2281 if (vap->iv_opmode == IEEE80211_M_STA)
2282 error = setappie(&vap->iv_appie_assocreq, ireq);
2283 else
2284 error = EINVAL;
2285 break;
2286 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2287 error = setappie(&vap->iv_appie_wpa, ireq);
2288 if (error == 0) {
2289 /*
2290 * Must split single blob of data into separate
2291 * WPA and RSN ie's because they go in different
2292 * locations in the mgt frames.
2293 * XXX use IEEE80211_IOC_WPA2 so user code does split
2294 */
2295 vap->iv_wpa_ie = NULL;
2296 vap->iv_rsn_ie = NULL;
2297 if (vap->iv_appie_wpa != NULL) {
2298 struct ieee80211_appie *appie =
2299 vap->iv_appie_wpa;
2300 uint8_t *data = appie->ie_data;
2301
2302 /* XXX ie length validate is painful, cheat */
2303 setwparsnie(vap, data, appie->ie_len);
2304 setwparsnie(vap, data + 2 + data[1],
2305 appie->ie_len - (2 + data[1]));
2306 }
2307 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2308 vap->iv_opmode == IEEE80211_M_IBSS) {
2309 /*
2310 * Must rebuild beacon frame as the update
2311 * mechanism doesn't handle WPA/RSN ie's.
2312 * Could extend it but it doesn't normally
2313 * change; this is just to deal with hostapd
2314 * plumbing the ie after the interface is up.
2315 */
2316 error = ENETRESET;
2317 }
2318 }
2319 break;
2320 default:
2321 error = EINVAL;
2322 break;
2323 }
2324 return error;
2325}
2326
2327static __noinline int
2328ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2329 const struct ieee80211req *ireq)
2330{
2331 struct ieee80211com *ic = vap->iv_ic;
2332 int error;
2333 uint8_t fc0;
2334
2335 fc0 = ireq->i_val & 0xff;
2336 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2337 return EINVAL;
2338 /* NB: could check iv_opmode and reject but hardly worth the effort */
2339 IEEE80211_LOCK(ic);
2340 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2341 IEEE80211_UNLOCK(ic);
2342 return error;
2343}
2344
2345static __noinline int
2346ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2347{
2348 struct ieee80211com *ic = vap->iv_ic;
2349 struct ieee80211_chanswitch_req csr;
2350 struct ieee80211_channel *c;
2351 int error;
2352
2353 if (ireq->i_len != sizeof(csr))
2354 return EINVAL;
2355 error = copyin(ireq->i_data, &csr, sizeof(csr));
2356 if (error != 0)
2357 return error;
2358 /* XXX adhoc mode not supported */
2359 if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2360 (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2361 return EOPNOTSUPP;
2362 c = ieee80211_find_channel(ic,
2363 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2364 if (c == NULL)
2365 return ENOENT;
2366 IEEE80211_LOCK(ic);
2367 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2368 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2369 else if (csr.csa_count == 0)
2370 ieee80211_csa_cancelswitch(ic);
2371 else
2372 error = EBUSY;
2373 IEEE80211_UNLOCK(ic);
2374 return error;
2375}
2376
2377static int
2378ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr)
2379{
2380#define IEEE80211_IOC_SCAN_FLAGS \
2381 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2382 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2383 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2384 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2385 IEEE80211_IOC_SCAN_CHECK)
2386 struct ieee80211com *ic = vap->iv_ic;
|
2475 }
2476 return 0;
2477#undef IEEE80211_IOC_SCAN_FLAGS
2478}
2479
2480static __noinline int
2481ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2482{
2483 struct ieee80211com *ic = vap->iv_ic;
2484 struct ieee80211_scan_req sr; /* XXX off stack? */
2485 int error;
2486
2487 /* NB: parent must be running */
2488 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
2489 return ENXIO;
2490
2491 if (ireq->i_len != sizeof(sr))
2492 return EINVAL;
2493 error = copyin(ireq->i_data, &sr, sizeof(sr));
2494 if (error != 0)
2495 return error;
2496 return ieee80211_scanreq(vap, &sr);
2497}
2498
2499static __noinline int
2500ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2501{
2502 struct ieee80211_node *ni;
2503 struct ieee80211req_sta_vlan vlan;
2504 int error;
2505
2506 if (ireq->i_len != sizeof(vlan))
2507 return EINVAL;
2508 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2509 if (error != 0)
2510 return error;
2511 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2512 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2513 vlan.sv_macaddr);
2514 if (ni == NULL)
2515 return ENOENT;
2516 } else
2517 ni = ieee80211_ref_node(vap->iv_bss);
2518 ni->ni_vlan = vlan.sv_vlan;
2519 ieee80211_free_node(ni);
2520 return error;
2521}
2522
2523static int
2524isvap11g(const struct ieee80211vap *vap)
2525{
2526 const struct ieee80211_node *bss = vap->iv_bss;
2527 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2528 IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2529}
2530
2531static int
2532isvapht(const struct ieee80211vap *vap)
2533{
2534 const struct ieee80211_node *bss = vap->iv_bss;
2535 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2536 IEEE80211_IS_CHAN_HT(bss->ni_chan);
2537}
2538
2539/*
2540 * Dummy ioctl set handler so the linker set is defined.
2541 */
2542static int
2543dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2544{
2545 return ENOSYS;
2546}
2547IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2548
2549static int
2550ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2551{
2552 ieee80211_ioctl_setfunc * const *set;
2553 int error;
2554
2555 SET_FOREACH(set, ieee80211_ioctl_setset) {
2556 error = (*set)(vap, ireq);
2557 if (error != ENOSYS)
2558 return error;
2559 }
2560 return EINVAL;
2561}
2562
2563static __noinline int
2564ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2565{
2566 struct ieee80211com *ic = vap->iv_ic;
2567 int error;
2568 const struct ieee80211_authenticator *auth;
2569 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2570 char tmpssid[IEEE80211_NWID_LEN];
2571 uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2572 struct ieee80211_key *k;
2573 u_int kid;
2574 uint32_t flags;
2575
2576 error = 0;
2577 switch (ireq->i_type) {
2578 case IEEE80211_IOC_SSID:
2579 if (ireq->i_val != 0 ||
2580 ireq->i_len > IEEE80211_NWID_LEN)
2581 return EINVAL;
2582 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2583 if (error)
2584 break;
2585 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2586 vap->iv_des_ssid[0].len = ireq->i_len;
2587 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2588 vap->iv_des_nssid = (ireq->i_len > 0);
2589 error = ENETRESET;
2590 break;
2591 case IEEE80211_IOC_WEP:
2592 switch (ireq->i_val) {
2593 case IEEE80211_WEP_OFF:
2594 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2595 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2596 break;
2597 case IEEE80211_WEP_ON:
2598 vap->iv_flags |= IEEE80211_F_PRIVACY;
2599 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2600 break;
2601 case IEEE80211_WEP_MIXED:
2602 vap->iv_flags |= IEEE80211_F_PRIVACY;
2603 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2604 break;
2605 }
2606 error = ENETRESET;
2607 break;
2608 case IEEE80211_IOC_WEPKEY:
2609 kid = (u_int) ireq->i_val;
2610 if (kid >= IEEE80211_WEP_NKID)
2611 return EINVAL;
2612 k = &vap->iv_nw_keys[kid];
2613 if (ireq->i_len == 0) {
2614 /* zero-len =>'s delete any existing key */
2615 (void) ieee80211_crypto_delkey(vap, k);
2616 break;
2617 }
2618 if (ireq->i_len > sizeof(tmpkey))
2619 return EINVAL;
2620 memset(tmpkey, 0, sizeof(tmpkey));
2621 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2622 if (error)
2623 break;
2624 ieee80211_key_update_begin(vap);
2625 k->wk_keyix = kid; /* NB: force fixed key id */
2626 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2627 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2628 k->wk_keylen = ireq->i_len;
2629 memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2630 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2631 if (!ieee80211_crypto_setkey(vap, k))
2632 error = EINVAL;
2633 } else
2634 error = EINVAL;
2635 ieee80211_key_update_end(vap);
2636 break;
2637 case IEEE80211_IOC_WEPTXKEY:
2638 kid = (u_int) ireq->i_val;
2639 if (kid >= IEEE80211_WEP_NKID &&
2640 (uint16_t) kid != IEEE80211_KEYIX_NONE)
2641 return EINVAL;
2642 vap->iv_def_txkey = kid;
2643 break;
2644 case IEEE80211_IOC_AUTHMODE:
2645 switch (ireq->i_val) {
2646 case IEEE80211_AUTH_WPA:
2647 case IEEE80211_AUTH_8021X: /* 802.1x */
2648 case IEEE80211_AUTH_OPEN: /* open */
2649 case IEEE80211_AUTH_SHARED: /* shared-key */
2650 case IEEE80211_AUTH_AUTO: /* auto */
2651 auth = ieee80211_authenticator_get(ireq->i_val);
2652 if (auth == NULL)
2653 return EINVAL;
2654 break;
2655 default:
2656 return EINVAL;
2657 }
2658 switch (ireq->i_val) {
2659 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
2660 vap->iv_flags |= IEEE80211_F_PRIVACY;
2661 ireq->i_val = IEEE80211_AUTH_8021X;
2662 break;
2663 case IEEE80211_AUTH_OPEN: /* open */
2664 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2665 break;
2666 case IEEE80211_AUTH_SHARED: /* shared-key */
2667 case IEEE80211_AUTH_8021X: /* 802.1x */
2668 vap->iv_flags &= ~IEEE80211_F_WPA;
2669 /* both require a key so mark the PRIVACY capability */
2670 vap->iv_flags |= IEEE80211_F_PRIVACY;
2671 break;
2672 case IEEE80211_AUTH_AUTO: /* auto */
2673 vap->iv_flags &= ~IEEE80211_F_WPA;
2674 /* XXX PRIVACY handling? */
2675 /* XXX what's the right way to do this? */
2676 break;
2677 }
2678 /* NB: authenticator attach/detach happens on state change */
2679 vap->iv_bss->ni_authmode = ireq->i_val;
2680 /* XXX mixed/mode/usage? */
2681 vap->iv_auth = auth;
2682 error = ENETRESET;
2683 break;
2684 case IEEE80211_IOC_CHANNEL:
2685 error = ieee80211_ioctl_setchannel(vap, ireq);
2686 break;
2687 case IEEE80211_IOC_POWERSAVE:
2688 switch (ireq->i_val) {
2689 case IEEE80211_POWERSAVE_OFF:
2690 if (vap->iv_flags & IEEE80211_F_PMGTON) {
2691 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2692 error = ERESTART;
2693 }
2694 break;
2695 case IEEE80211_POWERSAVE_ON:
2696 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2697 error = EOPNOTSUPP;
2698 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2699 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2700 error = ERESTART;
2701 }
2702 break;
2703 default:
2704 error = EINVAL;
2705 break;
2706 }
2707 break;
2708 case IEEE80211_IOC_POWERSAVESLEEP:
2709 if (ireq->i_val < 0)
2710 return EINVAL;
2711 ic->ic_lintval = ireq->i_val;
2712 error = ERESTART;
2713 break;
2714 case IEEE80211_IOC_RTSTHRESHOLD:
2715 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2716 ireq->i_val <= IEEE80211_RTS_MAX))
2717 return EINVAL;
2718 vap->iv_rtsthreshold = ireq->i_val;
2719 error = ERESTART;
2720 break;
2721 case IEEE80211_IOC_PROTMODE:
2722 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2723 return EINVAL;
2724 ic->ic_protmode = ireq->i_val;
2725 /* NB: if not operating in 11g this can wait */
2726 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2727 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2728 error = ERESTART;
2729 break;
2730 case IEEE80211_IOC_TXPOWER:
2731 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2732 return EOPNOTSUPP;
2733 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2734 ireq->i_val <= IEEE80211_TXPOWER_MAX))
2735 return EINVAL;
2736 ic->ic_txpowlimit = ireq->i_val;
2737 error = ERESTART;
2738 break;
2739 case IEEE80211_IOC_ROAMING:
2740 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2741 ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2742 return EINVAL;
2743 vap->iv_roaming = ireq->i_val;
2744 /* XXXX reset? */
2745 break;
2746 case IEEE80211_IOC_PRIVACY:
2747 if (ireq->i_val) {
2748 /* XXX check for key state? */
2749 vap->iv_flags |= IEEE80211_F_PRIVACY;
2750 } else
2751 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2752 /* XXX ERESTART? */
2753 break;
2754 case IEEE80211_IOC_DROPUNENCRYPTED:
2755 if (ireq->i_val)
2756 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2757 else
2758 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2759 /* XXX ERESTART? */
2760 break;
2761 case IEEE80211_IOC_WPAKEY:
2762 error = ieee80211_ioctl_setkey(vap, ireq);
2763 break;
2764 case IEEE80211_IOC_DELKEY:
2765 error = ieee80211_ioctl_delkey(vap, ireq);
2766 break;
2767 case IEEE80211_IOC_MLME:
2768 error = ieee80211_ioctl_setmlme(vap, ireq);
2769 break;
2770 case IEEE80211_IOC_COUNTERMEASURES:
2771 if (ireq->i_val) {
2772 if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2773 return EOPNOTSUPP;
2774 vap->iv_flags |= IEEE80211_F_COUNTERM;
2775 } else
2776 vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2777 /* XXX ERESTART? */
2778 break;
2779 case IEEE80211_IOC_WPA:
2780 if (ireq->i_val > 3)
2781 return EINVAL;
2782 /* XXX verify ciphers available */
2783 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2784 switch (ireq->i_val) {
2785 case 1:
2786 if (!(vap->iv_caps & IEEE80211_C_WPA1))
2787 return EOPNOTSUPP;
2788 flags |= IEEE80211_F_WPA1;
2789 break;
2790 case 2:
2791 if (!(vap->iv_caps & IEEE80211_C_WPA2))
2792 return EOPNOTSUPP;
2793 flags |= IEEE80211_F_WPA2;
2794 break;
2795 case 3:
2796 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2797 return EOPNOTSUPP;
2798 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2799 break;
2800 default: /* Can't set any -> error */
2801 return EOPNOTSUPP;
2802 }
2803 vap->iv_flags = flags;
2804 error = ERESTART; /* NB: can change beacon frame */
2805 break;
2806 case IEEE80211_IOC_WME:
2807 if (ireq->i_val) {
2808 if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2809 return EOPNOTSUPP;
2810 ieee80211_syncflag(vap, IEEE80211_F_WME);
2811 } else
2812 ieee80211_syncflag(vap, -IEEE80211_F_WME);
2813 error = ERESTART; /* NB: can change beacon frame */
2814 break;
2815 case IEEE80211_IOC_HIDESSID:
2816 if (ireq->i_val)
2817 vap->iv_flags |= IEEE80211_F_HIDESSID;
2818 else
2819 vap->iv_flags &= ~IEEE80211_F_HIDESSID;
2820 error = ERESTART; /* XXX ENETRESET? */
2821 break;
2822 case IEEE80211_IOC_APBRIDGE:
2823 if (ireq->i_val == 0)
2824 vap->iv_flags |= IEEE80211_F_NOBRIDGE;
2825 else
2826 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
2827 break;
2828 case IEEE80211_IOC_BSSID:
2829 if (ireq->i_len != sizeof(tmpbssid))
2830 return EINVAL;
2831 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2832 if (error)
2833 break;
2834 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
2835 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
2836 vap->iv_flags &= ~IEEE80211_F_DESBSSID;
2837 else
2838 vap->iv_flags |= IEEE80211_F_DESBSSID;
2839 error = ENETRESET;
2840 break;
2841 case IEEE80211_IOC_CHANLIST:
2842 error = ieee80211_ioctl_setchanlist(vap, ireq);
2843 break;
2844#define OLD_IEEE80211_IOC_SCAN_REQ 23
2845#ifdef OLD_IEEE80211_IOC_SCAN_REQ
2846 case OLD_IEEE80211_IOC_SCAN_REQ:
2847 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2848 "%s: active scan request\n", __func__);
2849 /*
2850 * If we are in INIT state then the driver has never
2851 * had a chance to setup hardware state to do a scan;
2852 * use the state machine to get us up the SCAN state.
2853 * Otherwise just invoke the scan machinery to start
2854 * a one-time scan.
2855 */
2856 if (vap->iv_state == IEEE80211_S_INIT)
2857 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2858 else
2859 (void) ieee80211_start_scan(vap,
2860 IEEE80211_SCAN_ACTIVE |
2861 IEEE80211_SCAN_NOPICK |
2862 IEEE80211_SCAN_ONCE,
2863 IEEE80211_SCAN_FOREVER, 0, 0,
2864 /* XXX use ioctl params */
2865 vap->iv_des_nssid, vap->iv_des_ssid);
2866 break;
2867#endif /* OLD_IEEE80211_IOC_SCAN_REQ */
2868 case IEEE80211_IOC_SCAN_REQ:
2869 error = ieee80211_ioctl_scanreq(vap, ireq);
2870 break;
2871 case IEEE80211_IOC_SCAN_CANCEL:
2872 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2873 "%s: cancel scan\n", __func__);
2874 ieee80211_cancel_scan(vap);
2875 break;
2876 case IEEE80211_IOC_HTCONF:
2877 if (ireq->i_val & 1)
2878 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
2879 else
2880 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
2881 if (ireq->i_val & 2)
2882 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
2883 else
2884 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
2885 error = ENETRESET;
2886 break;
2887 case IEEE80211_IOC_ADDMAC:
2888 case IEEE80211_IOC_DELMAC:
2889 error = ieee80211_ioctl_macmac(vap, ireq);
2890 break;
2891 case IEEE80211_IOC_MACCMD:
2892 error = ieee80211_ioctl_setmaccmd(vap, ireq);
2893 break;
2894 case IEEE80211_IOC_STA_STATS:
2895 error = ieee80211_ioctl_setstastats(vap, ireq);
2896 break;
2897 case IEEE80211_IOC_STA_TXPOW:
2898 error = ieee80211_ioctl_setstatxpow(vap, ireq);
2899 break;
2900 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
2901 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
2902 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
2903 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
2904 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
2905 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
2906 error = ieee80211_ioctl_setwmeparam(vap, ireq);
2907 break;
2908 case IEEE80211_IOC_DTIM_PERIOD:
2909 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2910 vap->iv_opmode != IEEE80211_M_MBSS &&
2911 vap->iv_opmode != IEEE80211_M_IBSS)
2912 return EINVAL;
2913 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
2914 ireq->i_val <= IEEE80211_DTIM_MAX) {
2915 vap->iv_dtim_period = ireq->i_val;
2916 error = ENETRESET; /* requires restart */
2917 } else
2918 error = EINVAL;
2919 break;
2920 case IEEE80211_IOC_BEACON_INTERVAL:
2921 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2922 vap->iv_opmode != IEEE80211_M_MBSS &&
2923 vap->iv_opmode != IEEE80211_M_IBSS)
2924 return EINVAL;
2925 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
2926 ireq->i_val <= IEEE80211_BINTVAL_MAX) {
2927 ic->ic_bintval = ireq->i_val;
2928 error = ENETRESET; /* requires restart */
2929 } else
2930 error = EINVAL;
2931 break;
2932 case IEEE80211_IOC_PUREG:
2933 if (ireq->i_val)
2934 vap->iv_flags |= IEEE80211_F_PUREG;
2935 else
2936 vap->iv_flags &= ~IEEE80211_F_PUREG;
2937 /* NB: reset only if we're operating on an 11g channel */
2938 if (isvap11g(vap))
2939 error = ENETRESET;
2940 break;
2941 case IEEE80211_IOC_BGSCAN:
2942 if (ireq->i_val) {
2943 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
2944 return EOPNOTSUPP;
2945 vap->iv_flags |= IEEE80211_F_BGSCAN;
2946 } else
2947 vap->iv_flags &= ~IEEE80211_F_BGSCAN;
2948 break;
2949 case IEEE80211_IOC_BGSCAN_IDLE:
2950 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
2951 vap->iv_bgscanidle = ireq->i_val*hz/1000;
2952 else
2953 error = EINVAL;
2954 break;
2955 case IEEE80211_IOC_BGSCAN_INTERVAL:
2956 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
2957 vap->iv_bgscanintvl = ireq->i_val*hz;
2958 else
2959 error = EINVAL;
2960 break;
2961 case IEEE80211_IOC_SCANVALID:
2962 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
2963 vap->iv_scanvalid = ireq->i_val*hz;
2964 else
2965 error = EINVAL;
2966 break;
2967 case IEEE80211_IOC_FRAGTHRESHOLD:
2968 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
2969 ireq->i_val != IEEE80211_FRAG_MAX)
2970 return EOPNOTSUPP;
2971 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
2972 ireq->i_val <= IEEE80211_FRAG_MAX))
2973 return EINVAL;
2974 vap->iv_fragthreshold = ireq->i_val;
2975 error = ERESTART;
2976 break;
2977 case IEEE80211_IOC_BURST:
2978 if (ireq->i_val) {
2979 if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
2980 return EOPNOTSUPP;
2981 ieee80211_syncflag(vap, IEEE80211_F_BURST);
2982 } else
2983 ieee80211_syncflag(vap, -IEEE80211_F_BURST);
2984 error = ERESTART;
2985 break;
2986 case IEEE80211_IOC_BMISSTHRESHOLD:
2987 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
2988 ireq->i_val <= IEEE80211_HWBMISS_MAX))
2989 return EINVAL;
2990 vap->iv_bmissthreshold = ireq->i_val;
2991 error = ERESTART;
2992 break;
2993 case IEEE80211_IOC_CURCHAN:
2994 error = ieee80211_ioctl_setcurchan(vap, ireq);
2995 break;
2996 case IEEE80211_IOC_SHORTGI:
2997 if (ireq->i_val) {
2998#define IEEE80211_HTCAP_SHORTGI \
2999 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
3000 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
3001 return EINVAL;
3002 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
3003 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
3004 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
3005 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
3006#undef IEEE80211_HTCAP_SHORTGI
3007 } else
3008 vap->iv_flags_ht &=
3009 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
3010 error = ERESTART;
3011 break;
3012 case IEEE80211_IOC_AMPDU:
3013 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
3014 return EINVAL;
3015 if (ireq->i_val & 1)
3016 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
3017 else
3018 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
3019 if (ireq->i_val & 2)
3020 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
3021 else
3022 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
3023 /* NB: reset only if we're operating on an 11n channel */
3024 if (isvapht(vap))
3025 error = ERESTART;
3026 break;
3027 case IEEE80211_IOC_AMPDU_LIMIT:
3028 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
3029 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
3030 return EINVAL;
3031 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3032 vap->iv_ampdu_rxmax = ireq->i_val;
3033 else
3034 vap->iv_ampdu_limit = ireq->i_val;
3035 error = ERESTART;
3036 break;
3037 case IEEE80211_IOC_AMPDU_DENSITY:
3038 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
3039 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
3040 return EINVAL;
3041 vap->iv_ampdu_density = ireq->i_val;
3042 error = ERESTART;
3043 break;
3044 case IEEE80211_IOC_AMSDU:
3045 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
3046 return EINVAL;
3047 if (ireq->i_val & 1)
3048 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
3049 else
3050 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
3051 if (ireq->i_val & 2)
3052 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
3053 else
3054 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
3055 /* NB: reset only if we're operating on an 11n channel */
3056 if (isvapht(vap))
3057 error = ERESTART;
3058 break;
3059 case IEEE80211_IOC_AMSDU_LIMIT:
3060 /* XXX validate */
3061 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */
3062 break;
3063 case IEEE80211_IOC_PUREN:
3064 if (ireq->i_val) {
3065 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3066 return EINVAL;
3067 vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3068 } else
3069 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3070 /* NB: reset only if we're operating on an 11n channel */
3071 if (isvapht(vap))
3072 error = ERESTART;
3073 break;
3074 case IEEE80211_IOC_DOTH:
3075 if (ireq->i_val) {
3076#if 0
3077 /* XXX no capability */
3078 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3079 return EOPNOTSUPP;
3080#endif
3081 vap->iv_flags |= IEEE80211_F_DOTH;
3082 } else
3083 vap->iv_flags &= ~IEEE80211_F_DOTH;
3084 error = ENETRESET;
3085 break;
3086 case IEEE80211_IOC_REGDOMAIN:
3087 error = ieee80211_ioctl_setregdomain(vap, ireq);
3088 break;
3089 case IEEE80211_IOC_ROAM:
3090 error = ieee80211_ioctl_setroam(vap, ireq);
3091 break;
3092 case IEEE80211_IOC_TXPARAMS:
3093 error = ieee80211_ioctl_settxparams(vap, ireq);
3094 break;
3095 case IEEE80211_IOC_HTCOMPAT:
3096 if (ireq->i_val) {
3097 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3098 return EOPNOTSUPP;
3099 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3100 } else
3101 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3102 /* NB: reset only if we're operating on an 11n channel */
3103 if (isvapht(vap))
3104 error = ERESTART;
3105 break;
3106 case IEEE80211_IOC_DWDS:
3107 if (ireq->i_val) {
3108 /* NB: DWDS only makes sense for WDS-capable devices */
3109 if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3110 return EOPNOTSUPP;
3111 /* NB: DWDS is used only with ap+sta vaps */
3112 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3113 vap->iv_opmode != IEEE80211_M_STA)
3114 return EINVAL;
3115 vap->iv_flags |= IEEE80211_F_DWDS;
3116 if (vap->iv_opmode == IEEE80211_M_STA)
3117 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3118 } else {
3119 vap->iv_flags &= ~IEEE80211_F_DWDS;
3120 if (vap->iv_opmode == IEEE80211_M_STA)
3121 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3122 }
3123 break;
3124 case IEEE80211_IOC_INACTIVITY:
3125 if (ireq->i_val)
3126 vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3127 else
3128 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3129 break;
3130 case IEEE80211_IOC_APPIE:
3131 error = ieee80211_ioctl_setappie(vap, ireq);
3132 break;
3133 case IEEE80211_IOC_WPS:
3134 if (ireq->i_val) {
3135 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3136 return EOPNOTSUPP;
3137 vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3138 } else
3139 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3140 break;
3141 case IEEE80211_IOC_TSN:
3142 if (ireq->i_val) {
3143 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3144 return EOPNOTSUPP;
3145 vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3146 } else
3147 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3148 break;
3149 case IEEE80211_IOC_CHANSWITCH:
3150 error = ieee80211_ioctl_chanswitch(vap, ireq);
3151 break;
3152 case IEEE80211_IOC_DFS:
3153 if (ireq->i_val) {
3154 if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3155 return EOPNOTSUPP;
3156 /* NB: DFS requires 11h support */
3157 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3158 return EINVAL;
3159 vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3160 } else
3161 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3162 break;
3163 case IEEE80211_IOC_DOTD:
3164 if (ireq->i_val)
3165 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3166 else
3167 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3168 if (vap->iv_opmode == IEEE80211_M_STA)
3169 error = ENETRESET;
3170 break;
3171 case IEEE80211_IOC_HTPROTMODE:
3172 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3173 return EINVAL;
3174 ic->ic_htprotmode = ireq->i_val ?
3175 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3176 /* NB: if not operating in 11n this can wait */
3177 if (isvapht(vap))
3178 error = ERESTART;
3179 break;
3180 case IEEE80211_IOC_STA_VLAN:
3181 error = ieee80211_ioctl_setstavlan(vap, ireq);
3182 break;
3183 case IEEE80211_IOC_SMPS:
3184 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3185 ireq->i_val == 0x0008) /* value of 2 is reserved */
3186 return EINVAL;
3187 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3188 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3189 return EOPNOTSUPP;
3190 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3191 ireq->i_val;
3192 /* NB: if not operating in 11n this can wait */
3193 if (isvapht(vap))
3194 error = ERESTART;
3195 break;
3196 case IEEE80211_IOC_RIFS:
3197 if (ireq->i_val != 0) {
3198 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3199 return EOPNOTSUPP;
3200 vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3201 } else
3202 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3203 /* NB: if not operating in 11n this can wait */
3204 if (isvapht(vap))
3205 error = ERESTART;
3206 break;
3207 default:
3208 error = ieee80211_ioctl_setdefault(vap, ireq);
3209 break;
3210 }
3211 /*
3212 * The convention is that ENETRESET means an operation
3213 * requires a complete re-initialization of the device (e.g.
3214 * changing something that affects the association state).
3215 * ERESTART means the request may be handled with only a
3216 * reload of the hardware state. We hand ERESTART requests
3217 * to the iv_reset callback so the driver can decide. If
3218 * a device does not fillin iv_reset then it defaults to one
3219 * that returns ENETRESET. Otherwise a driver may return
3220 * ENETRESET (in which case a full reset will be done) or
3221 * 0 to mean there's no need to do anything (e.g. when the
3222 * change has no effect on the driver/device).
3223 */
3224 if (error == ERESTART)
3225 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3226 vap->iv_reset(vap, ireq->i_type) : 0;
3227 if (error == ENETRESET) {
3228 /* XXX need to re-think AUTO handling */
3229 if (IS_UP_AUTO(vap))
3230 ieee80211_init(vap);
3231 error = 0;
3232 }
3233 return error;
3234}
3235
3236/*
3237 * Rebuild the parent's multicast address list after an add/del
3238 * of a multicast address for a vap. We have no way to tell
3239 * what happened above to optimize the work so we purge the entire
3240 * list and rebuild from scratch. This is way expensive.
3241 * Note also the half-baked workaround for if_addmulti calling
3242 * back to the parent device; there's no way to insert mcast
3243 * entries quietly and/or cheaply.
3244 */
3245static void
3246ieee80211_ioctl_updatemulti(struct ieee80211com *ic)
3247{
3248 struct ifnet *parent = ic->ic_ifp;
3249 struct ieee80211vap *vap;
3250 void *ioctl;
3251
3252 IEEE80211_LOCK(ic);
3253 if_delallmulti(parent);
3254 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */
3255 parent->if_ioctl = NULL;
3256 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
3257 struct ifnet *ifp = vap->iv_ifp;
3258 struct ifmultiaddr *ifma;
3259
3260 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
3261 if (ifma->ifma_addr->sa_family != AF_LINK)
3262 continue;
3263 (void) if_addmulti(parent, ifma->ifma_addr, NULL);
3264 }
3265 }
3266 parent->if_ioctl = ioctl;
3267 ieee80211_runtask(ic, &ic->ic_mcast_task);
3268 IEEE80211_UNLOCK(ic);
3269}
3270
3271int
3272ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3273{
3274 struct ieee80211vap *vap = ifp->if_softc;
3275 struct ieee80211com *ic = vap->iv_ic;
3276 int error = 0;
3277 struct ifreq *ifr;
3278 struct ifaddr *ifa; /* XXX */
3279
3280 switch (cmd) {
3281 case SIOCSIFFLAGS:
3282 IEEE80211_LOCK(ic);
3283 ieee80211_syncifflag_locked(ic, IFF_PROMISC);
3284 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI);
3285 if (ifp->if_flags & IFF_UP) {
3286 /*
3287 * Bring ourself up unless we're already operational.
3288 * If we're the first vap and the parent is not up
3289 * then it will automatically be brought up as a
3290 * side-effect of bringing ourself up.
3291 */
3292 if (vap->iv_state == IEEE80211_S_INIT)
3293 ieee80211_start_locked(vap);
3294 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3295 /*
3296 * Stop ourself. If we are the last vap to be
3297 * marked down the parent will also be taken down.
3298 */
3299 ieee80211_stop_locked(vap);
3300 }
3301 IEEE80211_UNLOCK(ic);
3302 /* Wait for parent ioctl handler if it was queued */
3303 ieee80211_waitfor_parent(ic);
3304 break;
3305 case SIOCADDMULTI:
3306 case SIOCDELMULTI:
3307 ieee80211_ioctl_updatemulti(ic);
3308 break;
3309 case SIOCSIFMEDIA:
3310 case SIOCGIFMEDIA:
3311 ifr = (struct ifreq *)data;
3312 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3313 break;
3314 case SIOCG80211:
3315 error = ieee80211_ioctl_get80211(vap, cmd,
3316 (struct ieee80211req *) data);
3317 break;
3318 case SIOCS80211:
3319 error = priv_check(curthread, PRIV_NET80211_MANAGE);
3320 if (error == 0)
3321 error = ieee80211_ioctl_set80211(vap, cmd,
3322 (struct ieee80211req *) data);
3323 break;
3324 case SIOCG80211STATS:
3325 ifr = (struct ifreq *)data;
3326 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats));
3327 break;
3328 case SIOCSIFMTU:
3329 ifr = (struct ifreq *)data;
3330 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3331 ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3332 error = EINVAL;
3333 else
3334 ifp->if_mtu = ifr->ifr_mtu;
3335 break;
3336 case SIOCSIFADDR:
3337 /*
3338 * XXX Handle this directly so we can supress if_init calls.
3339 * XXX This should be done in ether_ioctl but for the moment
3340 * XXX there are too many other parts of the system that
3341 * XXX set IFF_UP and so supress if_init being called when
3342 * XXX it should be.
3343 */
3344 ifa = (struct ifaddr *) data;
3345 switch (ifa->ifa_addr->sa_family) {
3346#ifdef INET
3347 case AF_INET:
3348 if ((ifp->if_flags & IFF_UP) == 0) {
3349 ifp->if_flags |= IFF_UP;
3350 ifp->if_init(ifp->if_softc);
3351 }
3352 arp_ifinit(ifp, ifa);
3353 break;
3354#endif
3355#ifdef IPX
3356 /*
3357 * XXX - This code is probably wrong,
3358 * but has been copied many times.
3359 */
3360 case AF_IPX: {
3361 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
3362
3363 if (ipx_nullhost(*ina))
3364 ina->x_host = *(union ipx_host *)
3365 IF_LLADDR(ifp);
3366 else
3367 bcopy((caddr_t) ina->x_host.c_host,
3368 (caddr_t) IF_LLADDR(ifp),
3369 ETHER_ADDR_LEN);
3370 /* fall thru... */
3371 }
3372#endif
3373 default:
3374 if ((ifp->if_flags & IFF_UP) == 0) {
3375 ifp->if_flags |= IFF_UP;
3376 ifp->if_init(ifp->if_softc);
3377 }
3378 break;
3379 }
3380 break;
3381 /* Pass NDIS ioctls up to the driver */
3382 case SIOCGDRVSPEC:
3383 case SIOCSDRVSPEC:
3384 case SIOCGPRIVATE_0: {
3385 struct ifnet *parent = vap->iv_ic->ic_ifp;
3386 error = parent->if_ioctl(parent, cmd, data);
3387 break;
3388 }
3389 default:
3390 error = ether_ioctl(ifp, cmd, data);
3391 break;
3392 }
3393 return error;
3394}
| 2476 }
2477 return 0;
2478#undef IEEE80211_IOC_SCAN_FLAGS
2479}
2480
2481static __noinline int
2482ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2483{
2484 struct ieee80211com *ic = vap->iv_ic;
2485 struct ieee80211_scan_req sr; /* XXX off stack? */
2486 int error;
2487
2488 /* NB: parent must be running */
2489 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
2490 return ENXIO;
2491
2492 if (ireq->i_len != sizeof(sr))
2493 return EINVAL;
2494 error = copyin(ireq->i_data, &sr, sizeof(sr));
2495 if (error != 0)
2496 return error;
2497 return ieee80211_scanreq(vap, &sr);
2498}
2499
2500static __noinline int
2501ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2502{
2503 struct ieee80211_node *ni;
2504 struct ieee80211req_sta_vlan vlan;
2505 int error;
2506
2507 if (ireq->i_len != sizeof(vlan))
2508 return EINVAL;
2509 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2510 if (error != 0)
2511 return error;
2512 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2513 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2514 vlan.sv_macaddr);
2515 if (ni == NULL)
2516 return ENOENT;
2517 } else
2518 ni = ieee80211_ref_node(vap->iv_bss);
2519 ni->ni_vlan = vlan.sv_vlan;
2520 ieee80211_free_node(ni);
2521 return error;
2522}
2523
2524static int
2525isvap11g(const struct ieee80211vap *vap)
2526{
2527 const struct ieee80211_node *bss = vap->iv_bss;
2528 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2529 IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2530}
2531
2532static int
2533isvapht(const struct ieee80211vap *vap)
2534{
2535 const struct ieee80211_node *bss = vap->iv_bss;
2536 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2537 IEEE80211_IS_CHAN_HT(bss->ni_chan);
2538}
2539
2540/*
2541 * Dummy ioctl set handler so the linker set is defined.
2542 */
2543static int
2544dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2545{
2546 return ENOSYS;
2547}
2548IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2549
2550static int
2551ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2552{
2553 ieee80211_ioctl_setfunc * const *set;
2554 int error;
2555
2556 SET_FOREACH(set, ieee80211_ioctl_setset) {
2557 error = (*set)(vap, ireq);
2558 if (error != ENOSYS)
2559 return error;
2560 }
2561 return EINVAL;
2562}
2563
2564static __noinline int
2565ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2566{
2567 struct ieee80211com *ic = vap->iv_ic;
2568 int error;
2569 const struct ieee80211_authenticator *auth;
2570 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2571 char tmpssid[IEEE80211_NWID_LEN];
2572 uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2573 struct ieee80211_key *k;
2574 u_int kid;
2575 uint32_t flags;
2576
2577 error = 0;
2578 switch (ireq->i_type) {
2579 case IEEE80211_IOC_SSID:
2580 if (ireq->i_val != 0 ||
2581 ireq->i_len > IEEE80211_NWID_LEN)
2582 return EINVAL;
2583 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2584 if (error)
2585 break;
2586 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2587 vap->iv_des_ssid[0].len = ireq->i_len;
2588 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2589 vap->iv_des_nssid = (ireq->i_len > 0);
2590 error = ENETRESET;
2591 break;
2592 case IEEE80211_IOC_WEP:
2593 switch (ireq->i_val) {
2594 case IEEE80211_WEP_OFF:
2595 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2596 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2597 break;
2598 case IEEE80211_WEP_ON:
2599 vap->iv_flags |= IEEE80211_F_PRIVACY;
2600 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2601 break;
2602 case IEEE80211_WEP_MIXED:
2603 vap->iv_flags |= IEEE80211_F_PRIVACY;
2604 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2605 break;
2606 }
2607 error = ENETRESET;
2608 break;
2609 case IEEE80211_IOC_WEPKEY:
2610 kid = (u_int) ireq->i_val;
2611 if (kid >= IEEE80211_WEP_NKID)
2612 return EINVAL;
2613 k = &vap->iv_nw_keys[kid];
2614 if (ireq->i_len == 0) {
2615 /* zero-len =>'s delete any existing key */
2616 (void) ieee80211_crypto_delkey(vap, k);
2617 break;
2618 }
2619 if (ireq->i_len > sizeof(tmpkey))
2620 return EINVAL;
2621 memset(tmpkey, 0, sizeof(tmpkey));
2622 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2623 if (error)
2624 break;
2625 ieee80211_key_update_begin(vap);
2626 k->wk_keyix = kid; /* NB: force fixed key id */
2627 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2628 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2629 k->wk_keylen = ireq->i_len;
2630 memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2631 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2632 if (!ieee80211_crypto_setkey(vap, k))
2633 error = EINVAL;
2634 } else
2635 error = EINVAL;
2636 ieee80211_key_update_end(vap);
2637 break;
2638 case IEEE80211_IOC_WEPTXKEY:
2639 kid = (u_int) ireq->i_val;
2640 if (kid >= IEEE80211_WEP_NKID &&
2641 (uint16_t) kid != IEEE80211_KEYIX_NONE)
2642 return EINVAL;
2643 vap->iv_def_txkey = kid;
2644 break;
2645 case IEEE80211_IOC_AUTHMODE:
2646 switch (ireq->i_val) {
2647 case IEEE80211_AUTH_WPA:
2648 case IEEE80211_AUTH_8021X: /* 802.1x */
2649 case IEEE80211_AUTH_OPEN: /* open */
2650 case IEEE80211_AUTH_SHARED: /* shared-key */
2651 case IEEE80211_AUTH_AUTO: /* auto */
2652 auth = ieee80211_authenticator_get(ireq->i_val);
2653 if (auth == NULL)
2654 return EINVAL;
2655 break;
2656 default:
2657 return EINVAL;
2658 }
2659 switch (ireq->i_val) {
2660 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
2661 vap->iv_flags |= IEEE80211_F_PRIVACY;
2662 ireq->i_val = IEEE80211_AUTH_8021X;
2663 break;
2664 case IEEE80211_AUTH_OPEN: /* open */
2665 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2666 break;
2667 case IEEE80211_AUTH_SHARED: /* shared-key */
2668 case IEEE80211_AUTH_8021X: /* 802.1x */
2669 vap->iv_flags &= ~IEEE80211_F_WPA;
2670 /* both require a key so mark the PRIVACY capability */
2671 vap->iv_flags |= IEEE80211_F_PRIVACY;
2672 break;
2673 case IEEE80211_AUTH_AUTO: /* auto */
2674 vap->iv_flags &= ~IEEE80211_F_WPA;
2675 /* XXX PRIVACY handling? */
2676 /* XXX what's the right way to do this? */
2677 break;
2678 }
2679 /* NB: authenticator attach/detach happens on state change */
2680 vap->iv_bss->ni_authmode = ireq->i_val;
2681 /* XXX mixed/mode/usage? */
2682 vap->iv_auth = auth;
2683 error = ENETRESET;
2684 break;
2685 case IEEE80211_IOC_CHANNEL:
2686 error = ieee80211_ioctl_setchannel(vap, ireq);
2687 break;
2688 case IEEE80211_IOC_POWERSAVE:
2689 switch (ireq->i_val) {
2690 case IEEE80211_POWERSAVE_OFF:
2691 if (vap->iv_flags & IEEE80211_F_PMGTON) {
2692 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2693 error = ERESTART;
2694 }
2695 break;
2696 case IEEE80211_POWERSAVE_ON:
2697 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2698 error = EOPNOTSUPP;
2699 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2700 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2701 error = ERESTART;
2702 }
2703 break;
2704 default:
2705 error = EINVAL;
2706 break;
2707 }
2708 break;
2709 case IEEE80211_IOC_POWERSAVESLEEP:
2710 if (ireq->i_val < 0)
2711 return EINVAL;
2712 ic->ic_lintval = ireq->i_val;
2713 error = ERESTART;
2714 break;
2715 case IEEE80211_IOC_RTSTHRESHOLD:
2716 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2717 ireq->i_val <= IEEE80211_RTS_MAX))
2718 return EINVAL;
2719 vap->iv_rtsthreshold = ireq->i_val;
2720 error = ERESTART;
2721 break;
2722 case IEEE80211_IOC_PROTMODE:
2723 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2724 return EINVAL;
2725 ic->ic_protmode = ireq->i_val;
2726 /* NB: if not operating in 11g this can wait */
2727 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2728 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2729 error = ERESTART;
2730 break;
2731 case IEEE80211_IOC_TXPOWER:
2732 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2733 return EOPNOTSUPP;
2734 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2735 ireq->i_val <= IEEE80211_TXPOWER_MAX))
2736 return EINVAL;
2737 ic->ic_txpowlimit = ireq->i_val;
2738 error = ERESTART;
2739 break;
2740 case IEEE80211_IOC_ROAMING:
2741 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2742 ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2743 return EINVAL;
2744 vap->iv_roaming = ireq->i_val;
2745 /* XXXX reset? */
2746 break;
2747 case IEEE80211_IOC_PRIVACY:
2748 if (ireq->i_val) {
2749 /* XXX check for key state? */
2750 vap->iv_flags |= IEEE80211_F_PRIVACY;
2751 } else
2752 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2753 /* XXX ERESTART? */
2754 break;
2755 case IEEE80211_IOC_DROPUNENCRYPTED:
2756 if (ireq->i_val)
2757 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2758 else
2759 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2760 /* XXX ERESTART? */
2761 break;
2762 case IEEE80211_IOC_WPAKEY:
2763 error = ieee80211_ioctl_setkey(vap, ireq);
2764 break;
2765 case IEEE80211_IOC_DELKEY:
2766 error = ieee80211_ioctl_delkey(vap, ireq);
2767 break;
2768 case IEEE80211_IOC_MLME:
2769 error = ieee80211_ioctl_setmlme(vap, ireq);
2770 break;
2771 case IEEE80211_IOC_COUNTERMEASURES:
2772 if (ireq->i_val) {
2773 if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2774 return EOPNOTSUPP;
2775 vap->iv_flags |= IEEE80211_F_COUNTERM;
2776 } else
2777 vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2778 /* XXX ERESTART? */
2779 break;
2780 case IEEE80211_IOC_WPA:
2781 if (ireq->i_val > 3)
2782 return EINVAL;
2783 /* XXX verify ciphers available */
2784 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2785 switch (ireq->i_val) {
2786 case 1:
2787 if (!(vap->iv_caps & IEEE80211_C_WPA1))
2788 return EOPNOTSUPP;
2789 flags |= IEEE80211_F_WPA1;
2790 break;
2791 case 2:
2792 if (!(vap->iv_caps & IEEE80211_C_WPA2))
2793 return EOPNOTSUPP;
2794 flags |= IEEE80211_F_WPA2;
2795 break;
2796 case 3:
2797 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2798 return EOPNOTSUPP;
2799 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2800 break;
2801 default: /* Can't set any -> error */
2802 return EOPNOTSUPP;
2803 }
2804 vap->iv_flags = flags;
2805 error = ERESTART; /* NB: can change beacon frame */
2806 break;
2807 case IEEE80211_IOC_WME:
2808 if (ireq->i_val) {
2809 if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2810 return EOPNOTSUPP;
2811 ieee80211_syncflag(vap, IEEE80211_F_WME);
2812 } else
2813 ieee80211_syncflag(vap, -IEEE80211_F_WME);
2814 error = ERESTART; /* NB: can change beacon frame */
2815 break;
2816 case IEEE80211_IOC_HIDESSID:
2817 if (ireq->i_val)
2818 vap->iv_flags |= IEEE80211_F_HIDESSID;
2819 else
2820 vap->iv_flags &= ~IEEE80211_F_HIDESSID;
2821 error = ERESTART; /* XXX ENETRESET? */
2822 break;
2823 case IEEE80211_IOC_APBRIDGE:
2824 if (ireq->i_val == 0)
2825 vap->iv_flags |= IEEE80211_F_NOBRIDGE;
2826 else
2827 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
2828 break;
2829 case IEEE80211_IOC_BSSID:
2830 if (ireq->i_len != sizeof(tmpbssid))
2831 return EINVAL;
2832 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2833 if (error)
2834 break;
2835 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
2836 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
2837 vap->iv_flags &= ~IEEE80211_F_DESBSSID;
2838 else
2839 vap->iv_flags |= IEEE80211_F_DESBSSID;
2840 error = ENETRESET;
2841 break;
2842 case IEEE80211_IOC_CHANLIST:
2843 error = ieee80211_ioctl_setchanlist(vap, ireq);
2844 break;
2845#define OLD_IEEE80211_IOC_SCAN_REQ 23
2846#ifdef OLD_IEEE80211_IOC_SCAN_REQ
2847 case OLD_IEEE80211_IOC_SCAN_REQ:
2848 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2849 "%s: active scan request\n", __func__);
2850 /*
2851 * If we are in INIT state then the driver has never
2852 * had a chance to setup hardware state to do a scan;
2853 * use the state machine to get us up the SCAN state.
2854 * Otherwise just invoke the scan machinery to start
2855 * a one-time scan.
2856 */
2857 if (vap->iv_state == IEEE80211_S_INIT)
2858 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2859 else
2860 (void) ieee80211_start_scan(vap,
2861 IEEE80211_SCAN_ACTIVE |
2862 IEEE80211_SCAN_NOPICK |
2863 IEEE80211_SCAN_ONCE,
2864 IEEE80211_SCAN_FOREVER, 0, 0,
2865 /* XXX use ioctl params */
2866 vap->iv_des_nssid, vap->iv_des_ssid);
2867 break;
2868#endif /* OLD_IEEE80211_IOC_SCAN_REQ */
2869 case IEEE80211_IOC_SCAN_REQ:
2870 error = ieee80211_ioctl_scanreq(vap, ireq);
2871 break;
2872 case IEEE80211_IOC_SCAN_CANCEL:
2873 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2874 "%s: cancel scan\n", __func__);
2875 ieee80211_cancel_scan(vap);
2876 break;
2877 case IEEE80211_IOC_HTCONF:
2878 if (ireq->i_val & 1)
2879 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
2880 else
2881 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
2882 if (ireq->i_val & 2)
2883 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
2884 else
2885 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
2886 error = ENETRESET;
2887 break;
2888 case IEEE80211_IOC_ADDMAC:
2889 case IEEE80211_IOC_DELMAC:
2890 error = ieee80211_ioctl_macmac(vap, ireq);
2891 break;
2892 case IEEE80211_IOC_MACCMD:
2893 error = ieee80211_ioctl_setmaccmd(vap, ireq);
2894 break;
2895 case IEEE80211_IOC_STA_STATS:
2896 error = ieee80211_ioctl_setstastats(vap, ireq);
2897 break;
2898 case IEEE80211_IOC_STA_TXPOW:
2899 error = ieee80211_ioctl_setstatxpow(vap, ireq);
2900 break;
2901 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
2902 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
2903 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
2904 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
2905 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
2906 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
2907 error = ieee80211_ioctl_setwmeparam(vap, ireq);
2908 break;
2909 case IEEE80211_IOC_DTIM_PERIOD:
2910 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2911 vap->iv_opmode != IEEE80211_M_MBSS &&
2912 vap->iv_opmode != IEEE80211_M_IBSS)
2913 return EINVAL;
2914 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
2915 ireq->i_val <= IEEE80211_DTIM_MAX) {
2916 vap->iv_dtim_period = ireq->i_val;
2917 error = ENETRESET; /* requires restart */
2918 } else
2919 error = EINVAL;
2920 break;
2921 case IEEE80211_IOC_BEACON_INTERVAL:
2922 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2923 vap->iv_opmode != IEEE80211_M_MBSS &&
2924 vap->iv_opmode != IEEE80211_M_IBSS)
2925 return EINVAL;
2926 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
2927 ireq->i_val <= IEEE80211_BINTVAL_MAX) {
2928 ic->ic_bintval = ireq->i_val;
2929 error = ENETRESET; /* requires restart */
2930 } else
2931 error = EINVAL;
2932 break;
2933 case IEEE80211_IOC_PUREG:
2934 if (ireq->i_val)
2935 vap->iv_flags |= IEEE80211_F_PUREG;
2936 else
2937 vap->iv_flags &= ~IEEE80211_F_PUREG;
2938 /* NB: reset only if we're operating on an 11g channel */
2939 if (isvap11g(vap))
2940 error = ENETRESET;
2941 break;
2942 case IEEE80211_IOC_BGSCAN:
2943 if (ireq->i_val) {
2944 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
2945 return EOPNOTSUPP;
2946 vap->iv_flags |= IEEE80211_F_BGSCAN;
2947 } else
2948 vap->iv_flags &= ~IEEE80211_F_BGSCAN;
2949 break;
2950 case IEEE80211_IOC_BGSCAN_IDLE:
2951 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
2952 vap->iv_bgscanidle = ireq->i_val*hz/1000;
2953 else
2954 error = EINVAL;
2955 break;
2956 case IEEE80211_IOC_BGSCAN_INTERVAL:
2957 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
2958 vap->iv_bgscanintvl = ireq->i_val*hz;
2959 else
2960 error = EINVAL;
2961 break;
2962 case IEEE80211_IOC_SCANVALID:
2963 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
2964 vap->iv_scanvalid = ireq->i_val*hz;
2965 else
2966 error = EINVAL;
2967 break;
2968 case IEEE80211_IOC_FRAGTHRESHOLD:
2969 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
2970 ireq->i_val != IEEE80211_FRAG_MAX)
2971 return EOPNOTSUPP;
2972 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
2973 ireq->i_val <= IEEE80211_FRAG_MAX))
2974 return EINVAL;
2975 vap->iv_fragthreshold = ireq->i_val;
2976 error = ERESTART;
2977 break;
2978 case IEEE80211_IOC_BURST:
2979 if (ireq->i_val) {
2980 if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
2981 return EOPNOTSUPP;
2982 ieee80211_syncflag(vap, IEEE80211_F_BURST);
2983 } else
2984 ieee80211_syncflag(vap, -IEEE80211_F_BURST);
2985 error = ERESTART;
2986 break;
2987 case IEEE80211_IOC_BMISSTHRESHOLD:
2988 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
2989 ireq->i_val <= IEEE80211_HWBMISS_MAX))
2990 return EINVAL;
2991 vap->iv_bmissthreshold = ireq->i_val;
2992 error = ERESTART;
2993 break;
2994 case IEEE80211_IOC_CURCHAN:
2995 error = ieee80211_ioctl_setcurchan(vap, ireq);
2996 break;
2997 case IEEE80211_IOC_SHORTGI:
2998 if (ireq->i_val) {
2999#define IEEE80211_HTCAP_SHORTGI \
3000 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
3001 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
3002 return EINVAL;
3003 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
3004 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
3005 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
3006 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
3007#undef IEEE80211_HTCAP_SHORTGI
3008 } else
3009 vap->iv_flags_ht &=
3010 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
3011 error = ERESTART;
3012 break;
3013 case IEEE80211_IOC_AMPDU:
3014 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
3015 return EINVAL;
3016 if (ireq->i_val & 1)
3017 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
3018 else
3019 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
3020 if (ireq->i_val & 2)
3021 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
3022 else
3023 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
3024 /* NB: reset only if we're operating on an 11n channel */
3025 if (isvapht(vap))
3026 error = ERESTART;
3027 break;
3028 case IEEE80211_IOC_AMPDU_LIMIT:
3029 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
3030 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
3031 return EINVAL;
3032 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3033 vap->iv_ampdu_rxmax = ireq->i_val;
3034 else
3035 vap->iv_ampdu_limit = ireq->i_val;
3036 error = ERESTART;
3037 break;
3038 case IEEE80211_IOC_AMPDU_DENSITY:
3039 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
3040 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
3041 return EINVAL;
3042 vap->iv_ampdu_density = ireq->i_val;
3043 error = ERESTART;
3044 break;
3045 case IEEE80211_IOC_AMSDU:
3046 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
3047 return EINVAL;
3048 if (ireq->i_val & 1)
3049 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
3050 else
3051 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
3052 if (ireq->i_val & 2)
3053 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
3054 else
3055 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
3056 /* NB: reset only if we're operating on an 11n channel */
3057 if (isvapht(vap))
3058 error = ERESTART;
3059 break;
3060 case IEEE80211_IOC_AMSDU_LIMIT:
3061 /* XXX validate */
3062 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */
3063 break;
3064 case IEEE80211_IOC_PUREN:
3065 if (ireq->i_val) {
3066 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3067 return EINVAL;
3068 vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3069 } else
3070 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3071 /* NB: reset only if we're operating on an 11n channel */
3072 if (isvapht(vap))
3073 error = ERESTART;
3074 break;
3075 case IEEE80211_IOC_DOTH:
3076 if (ireq->i_val) {
3077#if 0
3078 /* XXX no capability */
3079 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3080 return EOPNOTSUPP;
3081#endif
3082 vap->iv_flags |= IEEE80211_F_DOTH;
3083 } else
3084 vap->iv_flags &= ~IEEE80211_F_DOTH;
3085 error = ENETRESET;
3086 break;
3087 case IEEE80211_IOC_REGDOMAIN:
3088 error = ieee80211_ioctl_setregdomain(vap, ireq);
3089 break;
3090 case IEEE80211_IOC_ROAM:
3091 error = ieee80211_ioctl_setroam(vap, ireq);
3092 break;
3093 case IEEE80211_IOC_TXPARAMS:
3094 error = ieee80211_ioctl_settxparams(vap, ireq);
3095 break;
3096 case IEEE80211_IOC_HTCOMPAT:
3097 if (ireq->i_val) {
3098 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3099 return EOPNOTSUPP;
3100 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3101 } else
3102 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3103 /* NB: reset only if we're operating on an 11n channel */
3104 if (isvapht(vap))
3105 error = ERESTART;
3106 break;
3107 case IEEE80211_IOC_DWDS:
3108 if (ireq->i_val) {
3109 /* NB: DWDS only makes sense for WDS-capable devices */
3110 if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3111 return EOPNOTSUPP;
3112 /* NB: DWDS is used only with ap+sta vaps */
3113 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3114 vap->iv_opmode != IEEE80211_M_STA)
3115 return EINVAL;
3116 vap->iv_flags |= IEEE80211_F_DWDS;
3117 if (vap->iv_opmode == IEEE80211_M_STA)
3118 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3119 } else {
3120 vap->iv_flags &= ~IEEE80211_F_DWDS;
3121 if (vap->iv_opmode == IEEE80211_M_STA)
3122 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3123 }
3124 break;
3125 case IEEE80211_IOC_INACTIVITY:
3126 if (ireq->i_val)
3127 vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3128 else
3129 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3130 break;
3131 case IEEE80211_IOC_APPIE:
3132 error = ieee80211_ioctl_setappie(vap, ireq);
3133 break;
3134 case IEEE80211_IOC_WPS:
3135 if (ireq->i_val) {
3136 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3137 return EOPNOTSUPP;
3138 vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3139 } else
3140 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3141 break;
3142 case IEEE80211_IOC_TSN:
3143 if (ireq->i_val) {
3144 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3145 return EOPNOTSUPP;
3146 vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3147 } else
3148 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3149 break;
3150 case IEEE80211_IOC_CHANSWITCH:
3151 error = ieee80211_ioctl_chanswitch(vap, ireq);
3152 break;
3153 case IEEE80211_IOC_DFS:
3154 if (ireq->i_val) {
3155 if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3156 return EOPNOTSUPP;
3157 /* NB: DFS requires 11h support */
3158 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3159 return EINVAL;
3160 vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3161 } else
3162 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3163 break;
3164 case IEEE80211_IOC_DOTD:
3165 if (ireq->i_val)
3166 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3167 else
3168 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3169 if (vap->iv_opmode == IEEE80211_M_STA)
3170 error = ENETRESET;
3171 break;
3172 case IEEE80211_IOC_HTPROTMODE:
3173 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3174 return EINVAL;
3175 ic->ic_htprotmode = ireq->i_val ?
3176 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3177 /* NB: if not operating in 11n this can wait */
3178 if (isvapht(vap))
3179 error = ERESTART;
3180 break;
3181 case IEEE80211_IOC_STA_VLAN:
3182 error = ieee80211_ioctl_setstavlan(vap, ireq);
3183 break;
3184 case IEEE80211_IOC_SMPS:
3185 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3186 ireq->i_val == 0x0008) /* value of 2 is reserved */
3187 return EINVAL;
3188 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3189 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3190 return EOPNOTSUPP;
3191 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3192 ireq->i_val;
3193 /* NB: if not operating in 11n this can wait */
3194 if (isvapht(vap))
3195 error = ERESTART;
3196 break;
3197 case IEEE80211_IOC_RIFS:
3198 if (ireq->i_val != 0) {
3199 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3200 return EOPNOTSUPP;
3201 vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3202 } else
3203 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3204 /* NB: if not operating in 11n this can wait */
3205 if (isvapht(vap))
3206 error = ERESTART;
3207 break;
3208 default:
3209 error = ieee80211_ioctl_setdefault(vap, ireq);
3210 break;
3211 }
3212 /*
3213 * The convention is that ENETRESET means an operation
3214 * requires a complete re-initialization of the device (e.g.
3215 * changing something that affects the association state).
3216 * ERESTART means the request may be handled with only a
3217 * reload of the hardware state. We hand ERESTART requests
3218 * to the iv_reset callback so the driver can decide. If
3219 * a device does not fillin iv_reset then it defaults to one
3220 * that returns ENETRESET. Otherwise a driver may return
3221 * ENETRESET (in which case a full reset will be done) or
3222 * 0 to mean there's no need to do anything (e.g. when the
3223 * change has no effect on the driver/device).
3224 */
3225 if (error == ERESTART)
3226 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3227 vap->iv_reset(vap, ireq->i_type) : 0;
3228 if (error == ENETRESET) {
3229 /* XXX need to re-think AUTO handling */
3230 if (IS_UP_AUTO(vap))
3231 ieee80211_init(vap);
3232 error = 0;
3233 }
3234 return error;
3235}
3236
3237/*
3238 * Rebuild the parent's multicast address list after an add/del
3239 * of a multicast address for a vap. We have no way to tell
3240 * what happened above to optimize the work so we purge the entire
3241 * list and rebuild from scratch. This is way expensive.
3242 * Note also the half-baked workaround for if_addmulti calling
3243 * back to the parent device; there's no way to insert mcast
3244 * entries quietly and/or cheaply.
3245 */
3246static void
3247ieee80211_ioctl_updatemulti(struct ieee80211com *ic)
3248{
3249 struct ifnet *parent = ic->ic_ifp;
3250 struct ieee80211vap *vap;
3251 void *ioctl;
3252
3253 IEEE80211_LOCK(ic);
3254 if_delallmulti(parent);
3255 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */
3256 parent->if_ioctl = NULL;
3257 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
3258 struct ifnet *ifp = vap->iv_ifp;
3259 struct ifmultiaddr *ifma;
3260
3261 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
3262 if (ifma->ifma_addr->sa_family != AF_LINK)
3263 continue;
3264 (void) if_addmulti(parent, ifma->ifma_addr, NULL);
3265 }
3266 }
3267 parent->if_ioctl = ioctl;
3268 ieee80211_runtask(ic, &ic->ic_mcast_task);
3269 IEEE80211_UNLOCK(ic);
3270}
3271
3272int
3273ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3274{
3275 struct ieee80211vap *vap = ifp->if_softc;
3276 struct ieee80211com *ic = vap->iv_ic;
3277 int error = 0;
3278 struct ifreq *ifr;
3279 struct ifaddr *ifa; /* XXX */
3280
3281 switch (cmd) {
3282 case SIOCSIFFLAGS:
3283 IEEE80211_LOCK(ic);
3284 ieee80211_syncifflag_locked(ic, IFF_PROMISC);
3285 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI);
3286 if (ifp->if_flags & IFF_UP) {
3287 /*
3288 * Bring ourself up unless we're already operational.
3289 * If we're the first vap and the parent is not up
3290 * then it will automatically be brought up as a
3291 * side-effect of bringing ourself up.
3292 */
3293 if (vap->iv_state == IEEE80211_S_INIT)
3294 ieee80211_start_locked(vap);
3295 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3296 /*
3297 * Stop ourself. If we are the last vap to be
3298 * marked down the parent will also be taken down.
3299 */
3300 ieee80211_stop_locked(vap);
3301 }
3302 IEEE80211_UNLOCK(ic);
3303 /* Wait for parent ioctl handler if it was queued */
3304 ieee80211_waitfor_parent(ic);
3305 break;
3306 case SIOCADDMULTI:
3307 case SIOCDELMULTI:
3308 ieee80211_ioctl_updatemulti(ic);
3309 break;
3310 case SIOCSIFMEDIA:
3311 case SIOCGIFMEDIA:
3312 ifr = (struct ifreq *)data;
3313 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3314 break;
3315 case SIOCG80211:
3316 error = ieee80211_ioctl_get80211(vap, cmd,
3317 (struct ieee80211req *) data);
3318 break;
3319 case SIOCS80211:
3320 error = priv_check(curthread, PRIV_NET80211_MANAGE);
3321 if (error == 0)
3322 error = ieee80211_ioctl_set80211(vap, cmd,
3323 (struct ieee80211req *) data);
3324 break;
3325 case SIOCG80211STATS:
3326 ifr = (struct ifreq *)data;
3327 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats));
3328 break;
3329 case SIOCSIFMTU:
3330 ifr = (struct ifreq *)data;
3331 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3332 ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3333 error = EINVAL;
3334 else
3335 ifp->if_mtu = ifr->ifr_mtu;
3336 break;
3337 case SIOCSIFADDR:
3338 /*
3339 * XXX Handle this directly so we can supress if_init calls.
3340 * XXX This should be done in ether_ioctl but for the moment
3341 * XXX there are too many other parts of the system that
3342 * XXX set IFF_UP and so supress if_init being called when
3343 * XXX it should be.
3344 */
3345 ifa = (struct ifaddr *) data;
3346 switch (ifa->ifa_addr->sa_family) {
3347#ifdef INET
3348 case AF_INET:
3349 if ((ifp->if_flags & IFF_UP) == 0) {
3350 ifp->if_flags |= IFF_UP;
3351 ifp->if_init(ifp->if_softc);
3352 }
3353 arp_ifinit(ifp, ifa);
3354 break;
3355#endif
3356#ifdef IPX
3357 /*
3358 * XXX - This code is probably wrong,
3359 * but has been copied many times.
3360 */
3361 case AF_IPX: {
3362 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
3363
3364 if (ipx_nullhost(*ina))
3365 ina->x_host = *(union ipx_host *)
3366 IF_LLADDR(ifp);
3367 else
3368 bcopy((caddr_t) ina->x_host.c_host,
3369 (caddr_t) IF_LLADDR(ifp),
3370 ETHER_ADDR_LEN);
3371 /* fall thru... */
3372 }
3373#endif
3374 default:
3375 if ((ifp->if_flags & IFF_UP) == 0) {
3376 ifp->if_flags |= IFF_UP;
3377 ifp->if_init(ifp->if_softc);
3378 }
3379 break;
3380 }
3381 break;
3382 /* Pass NDIS ioctls up to the driver */
3383 case SIOCGDRVSPEC:
3384 case SIOCSDRVSPEC:
3385 case SIOCGPRIVATE_0: {
3386 struct ifnet *parent = vap->iv_ic->ic_ifp;
3387 error = parent->if_ioctl(parent, cmd, data);
3388 break;
3389 }
3390 default:
3391 error = ether_ioctl(ifp, cmd, data);
3392 break;
3393 }
3394 return error;
3395}
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