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#include <sys/taskqueue.h>
46
47#include <net/if.h>
48#include <net/if_dl.h>
49#include <net/if_media.h>
50#include <net/ethernet.h>
51
52#ifdef INET
53#include <netinet/in.h>
54#include <netinet/if_ether.h>
55#endif
56
57#ifdef IPX
58#include <netipx/ipx.h>
59#include <netipx/ipx_if.h>
60#endif
61
62#include <net80211/ieee80211_var.h>
63#include <net80211/ieee80211_ioctl.h>
64#include <net80211/ieee80211_regdomain.h>
65#include <net80211/ieee80211_input.h>
66#ifdef IEEE80211_SUPPORT_TDMA
67#include <net80211/ieee80211_tdma.h>
68#endif
69
70#define IS_UP_AUTO(_vap) \
71 (IFNET_IS_UP_RUNNING(vap->iv_ifp) && \
72 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
73
74static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
75static struct ieee80211_channel *findchannel(struct ieee80211com *,
76 int ieee, int mode);
77
78static __noinline int
79ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
80{
81 struct ieee80211com *ic = vap->iv_ic;
82 struct ieee80211_node *ni;
83 struct ieee80211req_key ik;
84 struct ieee80211_key *wk;
85 const struct ieee80211_cipher *cip;
86 u_int kid;
87 int error;
88
89 if (ireq->i_len != sizeof(ik))
90 return EINVAL;
91 error = copyin(ireq->i_data, &ik, sizeof(ik));
92 if (error)
93 return error;
94 kid = ik.ik_keyix;
95 if (kid == IEEE80211_KEYIX_NONE) {
96 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
97 if (ni == NULL)
98 return ENOENT;
99 wk = &ni->ni_ucastkey;
100 } else {
101 if (kid >= IEEE80211_WEP_NKID)
102 return EINVAL;
103 wk = &vap->iv_nw_keys[kid];
104 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
105 ni = NULL;
106 }
107 cip = wk->wk_cipher;
108 ik.ik_type = cip->ic_cipher;
109 ik.ik_keylen = wk->wk_keylen;
110 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
111 if (wk->wk_keyix == vap->iv_def_txkey)
112 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
113 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
114 /* NB: only root can read key data */
115 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
116 ik.ik_keytsc = wk->wk_keytsc;
117 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
118 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
119 memcpy(ik.ik_keydata+wk->wk_keylen,
120 wk->wk_key + IEEE80211_KEYBUF_SIZE,
121 IEEE80211_MICBUF_SIZE);
122 ik.ik_keylen += IEEE80211_MICBUF_SIZE;
123 }
124 } else {
125 ik.ik_keyrsc = 0;
126 ik.ik_keytsc = 0;
127 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
128 }
129 if (ni != NULL)
130 ieee80211_free_node(ni);
131 return copyout(&ik, ireq->i_data, sizeof(ik));
132}
133
134static __noinline int
135ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
136{
137 struct ieee80211com *ic = vap->iv_ic;
138
139 if (sizeof(ic->ic_chan_active) < ireq->i_len)
140 ireq->i_len = sizeof(ic->ic_chan_active);
141 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
142}
143
144static __noinline int
145ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
146{
147 struct ieee80211com *ic = vap->iv_ic;
148 int space;
149
150 space = __offsetof(struct ieee80211req_chaninfo,
151 ic_chans[ic->ic_nchans]);
152 if (space > ireq->i_len)
153 space = ireq->i_len;
154 /* XXX assumes compatible layout */
155 return copyout(&ic->ic_nchans, ireq->i_data, space);
156}
157
158static __noinline int
159ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
160 struct ieee80211req *ireq, int req)
161{
162 struct ieee80211_node *ni;
163 struct ieee80211req_wpaie2 wpaie;
164 int error;
165
166 if (ireq->i_len < IEEE80211_ADDR_LEN)
167 return EINVAL;
168 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN);
169 if (error != 0)
170 return error;
171 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr);
172 if (ni == NULL)
173 return ENOENT;
174 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie));
175 if (ni->ni_ies.wpa_ie != NULL) {
176 int ielen = ni->ni_ies.wpa_ie[1] + 2;
177 if (ielen > sizeof(wpaie.wpa_ie))
178 ielen = sizeof(wpaie.wpa_ie);
179 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen);
180 }
181 if (req == IEEE80211_IOC_WPAIE2) {
182 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie));
183 if (ni->ni_ies.rsn_ie != NULL) {
184 int ielen = ni->ni_ies.rsn_ie[1] + 2;
185 if (ielen > sizeof(wpaie.rsn_ie))
186 ielen = sizeof(wpaie.rsn_ie);
187 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen);
188 }
189 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
190 ireq->i_len = sizeof(struct ieee80211req_wpaie2);
191 } else {
192 /* compatibility op, may overwrite wpa ie */
193 /* XXX check ic_flags? */
194 if (ni->ni_ies.rsn_ie != NULL) {
195 int ielen = ni->ni_ies.rsn_ie[1] + 2;
196 if (ielen > sizeof(wpaie.wpa_ie))
197 ielen = sizeof(wpaie.wpa_ie);
198 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen);
199 }
200 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
201 ireq->i_len = sizeof(struct ieee80211req_wpaie);
202 }
203 ieee80211_free_node(ni);
204 return copyout(&wpaie, ireq->i_data, ireq->i_len);
205}
206
207static __noinline int
208ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
209{
210 struct ieee80211_node *ni;
211 uint8_t macaddr[IEEE80211_ADDR_LEN];
212 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats);
213 int error;
214
215 if (ireq->i_len < off)
216 return EINVAL;
217 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
218 if (error != 0)
219 return error;
220 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
221 if (ni == NULL)
222 return ENOENT;
223 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
224 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
225 /* NB: copy out only the statistics */
226 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
227 ireq->i_len - off);
228 ieee80211_free_node(ni);
229 return error;
230}
231
232struct scanreq {
233 struct ieee80211req_scan_result *sr;
234 size_t space;
235};
236
237static size_t
238scan_space(const struct ieee80211_scan_entry *se, int *ielen)
239{
240 size_t len;
241
242 *ielen = se->se_ies.len;
243 /*
244 * NB: ie's can be no more than 255 bytes and the max 802.11
245 * packet is <3Kbytes so we are sure this doesn't overflow
246 * 16-bits; if this is a concern we can drop the ie's.
247 */
248 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + *ielen;
249 return roundup(len, sizeof(uint32_t));
250}
251
252static void
253get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
254{
255 struct scanreq *req = arg;
256 int ielen;
257
258 req->space += scan_space(se, &ielen);
259}
260
261static __noinline void
262get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
263{
264 struct scanreq *req = arg;
265 struct ieee80211req_scan_result *sr;
266 int ielen, len, nr, nxr;
267 uint8_t *cp;
268
269 len = scan_space(se, &ielen);
270 if (len > req->space)
271 return;
272
273 sr = req->sr;
274 KASSERT(len <= 65535 && ielen <= 65535,
275 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
276 sr->isr_len = len;
277 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
278 sr->isr_ie_len = ielen;
279 sr->isr_freq = se->se_chan->ic_freq;
280 sr->isr_flags = se->se_chan->ic_flags;
281 sr->isr_rssi = se->se_rssi;
282 sr->isr_noise = se->se_noise;
283 sr->isr_intval = se->se_intval;
284 sr->isr_capinfo = se->se_capinfo;
285 sr->isr_erp = se->se_erp;
286 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
287 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
288 memcpy(sr->isr_rates, se->se_rates+2, nr);
289 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
290 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
291 sr->isr_nrates = nr + nxr;
292
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 if (ielen) {
298 cp += sr->isr_ssid_len;
299 memcpy(cp, se->se_ies.data, ielen);
300 }
301
302 req->space -= len;
303 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
304}
305
306static __noinline int
307ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
308 struct ieee80211req *ireq)
309{
310 struct scanreq req;
311 int error;
312
313 if (ireq->i_len < sizeof(struct scanreq))
314 return EFAULT;
315
316 error = 0;
317 req.space = 0;
318 ieee80211_scan_iterate(vap, get_scan_space, &req);
319 if (req.space > ireq->i_len)
320 req.space = ireq->i_len;
321 if (req.space > 0) {
322 size_t space;
323 void *p;
324
325 space = req.space;
326 /* XXX M_WAITOK after driver lock released */
327 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO);
328 if (p == NULL)
329 return ENOMEM;
330 req.sr = p;
331 ieee80211_scan_iterate(vap, get_scan_result, &req);
332 ireq->i_len = space - req.space;
333 error = copyout(p, ireq->i_data, ireq->i_len);
334 free(p, M_TEMP);
335 } else
336 ireq->i_len = 0;
337
338 return error;
339}
340
341struct stainforeq {
342 struct ieee80211vap *vap;
343 struct ieee80211req_sta_info *si;
344 size_t space;
345};
346
347static size_t
348sta_space(const struct ieee80211_node *ni, size_t *ielen)
349{
350 *ielen = ni->ni_ies.len;
351 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
352 sizeof(uint32_t));
353}
354
355static void
356get_sta_space(void *arg, struct ieee80211_node *ni)
357{
358 struct stainforeq *req = arg;
359 size_t ielen;
360
361 if (req->vap != ni->ni_vap)
362 return;
363 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
364 ni->ni_associd == 0) /* only associated stations */
365 return;
366 req->space += sta_space(ni, &ielen);
367}
368
369static __noinline void
370get_sta_info(void *arg, struct ieee80211_node *ni)
371{
372 struct stainforeq *req = arg;
373 struct ieee80211vap *vap = ni->ni_vap;
374 struct ieee80211req_sta_info *si;
375 size_t ielen, len;
376 uint8_t *cp;
377
378 if (req->vap != ni->ni_vap)
379 return;
380 if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
381 ni->ni_associd == 0) /* only associated stations */
382 return;
383 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
384 return;
385 len = sta_space(ni, &ielen);
386 if (len > req->space)
387 return;
388 si = req->si;
389 si->isi_len = len;
390 si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
391 si->isi_ie_len = ielen;
392 si->isi_freq = ni->ni_chan->ic_freq;
393 si->isi_flags = ni->ni_chan->ic_flags;
394 si->isi_state = ni->ni_flags;
395 si->isi_authmode = ni->ni_authmode;
396 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
397 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
398 si->isi_capinfo = ni->ni_capinfo;
399 si->isi_erp = ni->ni_erp;
400 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
401 si->isi_nrates = ni->ni_rates.rs_nrates;
402 if (si->isi_nrates > 15)
403 si->isi_nrates = 15;
404 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
405 si->isi_txrate = ni->ni_txrate;
406 if (si->isi_txrate & IEEE80211_RATE_MCS) {
407 const struct ieee80211_mcs_rates *mcs =
408 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
409 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
410 if (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40)
411 si->isi_txmbps = mcs->ht40_rate_800ns;
412 else
413 si->isi_txmbps = mcs->ht40_rate_400ns;
414 } else {
415 if (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20)
416 si->isi_txmbps = mcs->ht20_rate_800ns;
417 else
418 si->isi_txmbps = mcs->ht20_rate_400ns;
419 }
420 } else
421 si->isi_txmbps = si->isi_txrate;
422 si->isi_associd = ni->ni_associd;
423 si->isi_txpower = ni->ni_txpower;
424 si->isi_vlan = ni->ni_vlan;
425 if (ni->ni_flags & IEEE80211_NODE_QOS) {
426 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
427 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
428 } else {
429 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
430 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
431 }
432 /* NB: leave all cases in case we relax ni_associd == 0 check */
433 if (ieee80211_node_is_authorized(ni))
434 si->isi_inact = vap->iv_inact_run;
435 else if (ni->ni_associd != 0 ||
436 (vap->iv_opmode == IEEE80211_M_WDS &&
437 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
438 si->isi_inact = vap->iv_inact_auth;
439 else
440 si->isi_inact = vap->iv_inact_init;
441 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
442
443 if (ielen) {
444 cp = ((uint8_t *)si) + si->isi_ie_off;
445 memcpy(cp, ni->ni_ies.data, ielen);
446 }
447
448 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
449 req->space -= len;
450}
451
452static __noinline int
453getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
454 struct ieee80211_node *ni, int off)
455{
456 struct ieee80211com *ic = vap->iv_ic;
457 struct stainforeq req;
458 size_t space;
459 void *p;
460 int error;
461
462 error = 0;
463 req.space = 0;
464 req.vap = vap;
465 if (ni == NULL)
466 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
467 else
468 get_sta_space(&req, ni);
469 if (req.space > ireq->i_len)
470 req.space = ireq->i_len;
471 if (req.space > 0) {
472 space = req.space;
473 /* XXX M_WAITOK after driver lock released */
474 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO);
475 if (p == NULL) {
476 error = ENOMEM;
477 goto bad;
478 }
479 req.si = p;
480 if (ni == NULL)
481 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
482 else
483 get_sta_info(&req, ni);
484 ireq->i_len = space - req.space;
485 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
486 free(p, M_TEMP);
487 } else
488 ireq->i_len = 0;
489bad:
490 if (ni != NULL)
491 ieee80211_free_node(ni);
492 return error;
493}
494
495static __noinline int
496ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
497{
498 uint8_t macaddr[IEEE80211_ADDR_LEN];
499 const int off = __offsetof(struct ieee80211req_sta_req, info);
500 struct ieee80211_node *ni;
501 int error;
502
503 if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
504 return EFAULT;
505 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
506 if (error != 0)
507 return error;
508 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
509 ni = NULL;
510 } else {
511 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
512 if (ni == NULL)
513 return ENOENT;
514 }
515 return getstainfo_common(vap, ireq, ni, off);
516}
517
518static __noinline int
519ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
520{
521 struct ieee80211_node *ni;
522 struct ieee80211req_sta_txpow txpow;
523 int error;
524
525 if (ireq->i_len != sizeof(txpow))
526 return EINVAL;
527 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
528 if (error != 0)
529 return error;
530 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
531 if (ni == NULL)
532 return ENOENT;
533 txpow.it_txpow = ni->ni_txpower;
534 error = copyout(&txpow, ireq->i_data, sizeof(txpow));
535 ieee80211_free_node(ni);
536 return error;
537}
538
539static __noinline int
540ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
541{
542 struct ieee80211com *ic = vap->iv_ic;
543 struct ieee80211_wme_state *wme = &ic->ic_wme;
544 struct wmeParams *wmep;
545 int ac;
546
547 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
548 return EINVAL;
549
550 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
551 if (ac >= WME_NUM_AC)
552 ac = WME_AC_BE;
553 if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
554 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
555 else
556 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
557 switch (ireq->i_type) {
558 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
559 ireq->i_val = wmep->wmep_logcwmin;
560 break;
561 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
562 ireq->i_val = wmep->wmep_logcwmax;
563 break;
564 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
565 ireq->i_val = wmep->wmep_aifsn;
566 break;
567 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
568 ireq->i_val = wmep->wmep_txopLimit;
569 break;
570 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
571 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
572 ireq->i_val = wmep->wmep_acm;
573 break;
574 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
575 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
576 ireq->i_val = !wmep->wmep_noackPolicy;
577 break;
578 }
579 return 0;
580}
581
582static __noinline int
583ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
584{
585 const struct ieee80211_aclator *acl = vap->iv_acl;
586
587 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
588}
589
590/*
591 * Return the current ``state'' of an Atheros capbility.
592 * If associated in station mode report the negotiated
593 * setting. Otherwise report the current setting.
594 */
595static int
596getathcap(struct ieee80211vap *vap, int cap)
597{
598 if (vap->iv_opmode == IEEE80211_M_STA &&
599 vap->iv_state == IEEE80211_S_RUN)
600 return IEEE80211_ATH_CAP(vap, vap->iv_bss, cap) != 0;
601 else
602 return (vap->iv_flags & cap) != 0;
603}
604
605static __noinline int
606ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
607{
608 struct ieee80211com *ic = vap->iv_ic;
609 struct ieee80211_channel *c;
610
611 if (ireq->i_len != sizeof(struct ieee80211_channel))
612 return EINVAL;
613 /*
614 * vap's may have different operating channels when HT is
615 * in use. When in RUN state report the vap-specific channel.
616 * Otherwise return curchan.
617 */
618 if (vap->iv_state == IEEE80211_S_RUN)
619 c = vap->iv_bss->ni_chan;
620 else
621 c = ic->ic_curchan;
622 return copyout(c, ireq->i_data, sizeof(*c));
623}
624
625static int
626getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
627{
628 if (aie == NULL)
629 return EINVAL;
630 /* NB: truncate, caller can check length */
631 if (ireq->i_len > aie->ie_len)
632 ireq->i_len = aie->ie_len;
633 return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
634}
635
636static int
637ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
638{
639 uint8_t fc0;
640
641 fc0 = ireq->i_val & 0xff;
642 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
643 return EINVAL;
644 /* NB: could check iv_opmode and reject but hardly worth the effort */
645 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
646 case IEEE80211_FC0_SUBTYPE_BEACON:
647 return getappie(vap->iv_appie_beacon, ireq);
648 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
649 return getappie(vap->iv_appie_proberesp, ireq);
650 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
651 return getappie(vap->iv_appie_assocresp, ireq);
652 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
653 return getappie(vap->iv_appie_probereq, ireq);
654 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
655 return getappie(vap->iv_appie_assocreq, ireq);
656 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
657 return getappie(vap->iv_appie_wpa, ireq);
658 }
659 return EINVAL;
660}
661
662static __noinline int
663ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
664 const struct ieee80211req *ireq)
665{
666 struct ieee80211com *ic = vap->iv_ic;
667
668 if (ireq->i_len != sizeof(ic->ic_regdomain))
669 return EINVAL;
670 return copyout(&ic->ic_regdomain, ireq->i_data,
671 sizeof(ic->ic_regdomain));
672}
673
674static __noinline int
675ieee80211_ioctl_getroam(struct ieee80211vap *vap,
676 const struct ieee80211req *ireq)
677{
678 if (ireq->i_len != sizeof(vap->iv_roamparms))
679 return EINVAL;
680 return copyout(vap->iv_roamparms, ireq->i_data,
681 sizeof(vap->iv_roamparms));
682}
683
684static __noinline int
685ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
686 const struct ieee80211req *ireq)
687{
688 if (ireq->i_len != sizeof(vap->iv_txparms))
689 return EINVAL;
690 return copyout(vap->iv_txparms, ireq->i_data, sizeof(vap->iv_txparms));
691}
692
693static __noinline int
694ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
695 const struct ieee80211req *ireq)
696{
697 struct ieee80211_devcaps_req *dc;
698 struct ieee80211req_chaninfo *ci;
699 int error;
700
701 if (ireq->i_len != sizeof(struct ieee80211_devcaps_req))
702 return EINVAL;
703 dc = (struct ieee80211_devcaps_req *) malloc(
704 sizeof(struct ieee80211_devcaps_req), M_TEMP, M_NOWAIT | M_ZERO);
705 if (dc == NULL)
706 return ENOMEM;
707 dc->dc_drivercaps = ic->ic_caps;
708 dc->dc_cryptocaps = ic->ic_cryptocaps;
709 dc->dc_htcaps = ic->ic_htcaps;
710 ci = &dc->dc_chaninfo;
| 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#include <sys/taskqueue.h>
46
47#include <net/if.h>
48#include <net/if_dl.h>
49#include <net/if_media.h>
50#include <net/ethernet.h>
51
52#ifdef INET
53#include <netinet/in.h>
54#include <netinet/if_ether.h>
55#endif
56
57#ifdef IPX
58#include <netipx/ipx.h>
59#include <netipx/ipx_if.h>
60#endif
61
62#include <net80211/ieee80211_var.h>
63#include <net80211/ieee80211_ioctl.h>
64#include <net80211/ieee80211_regdomain.h>
65#include <net80211/ieee80211_input.h>
66#ifdef IEEE80211_SUPPORT_TDMA
67#include <net80211/ieee80211_tdma.h>
68#endif
69
70#define IS_UP_AUTO(_vap) \
71 (IFNET_IS_UP_RUNNING(vap->iv_ifp) && \
72 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
73
74static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
75static struct ieee80211_channel *findchannel(struct ieee80211com *,
76 int ieee, int mode);
77
78static __noinline int
79ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
80{
81 struct ieee80211com *ic = vap->iv_ic;
82 struct ieee80211_node *ni;
83 struct ieee80211req_key ik;
84 struct ieee80211_key *wk;
85 const struct ieee80211_cipher *cip;
86 u_int kid;
87 int error;
88
89 if (ireq->i_len != sizeof(ik))
90 return EINVAL;
91 error = copyin(ireq->i_data, &ik, sizeof(ik));
92 if (error)
93 return error;
94 kid = ik.ik_keyix;
95 if (kid == IEEE80211_KEYIX_NONE) {
96 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
97 if (ni == NULL)
98 return ENOENT;
99 wk = &ni->ni_ucastkey;
100 } else {
101 if (kid >= IEEE80211_WEP_NKID)
102 return EINVAL;
103 wk = &vap->iv_nw_keys[kid];
104 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
105 ni = NULL;
106 }
107 cip = wk->wk_cipher;
108 ik.ik_type = cip->ic_cipher;
109 ik.ik_keylen = wk->wk_keylen;
110 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
111 if (wk->wk_keyix == vap->iv_def_txkey)
112 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
113 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
114 /* NB: only root can read key data */
115 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
116 ik.ik_keytsc = wk->wk_keytsc;
117 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
118 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
119 memcpy(ik.ik_keydata+wk->wk_keylen,
120 wk->wk_key + IEEE80211_KEYBUF_SIZE,
121 IEEE80211_MICBUF_SIZE);
122 ik.ik_keylen += IEEE80211_MICBUF_SIZE;
123 }
124 } else {
125 ik.ik_keyrsc = 0;
126 ik.ik_keytsc = 0;
127 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
128 }
129 if (ni != NULL)
130 ieee80211_free_node(ni);
131 return copyout(&ik, ireq->i_data, sizeof(ik));
132}
133
134static __noinline int
135ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
136{
137 struct ieee80211com *ic = vap->iv_ic;
138
139 if (sizeof(ic->ic_chan_active) < ireq->i_len)
140 ireq->i_len = sizeof(ic->ic_chan_active);
141 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
142}
143
144static __noinline int
145ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
146{
147 struct ieee80211com *ic = vap->iv_ic;
148 int space;
149
150 space = __offsetof(struct ieee80211req_chaninfo,
151 ic_chans[ic->ic_nchans]);
152 if (space > ireq->i_len)
153 space = ireq->i_len;
154 /* XXX assumes compatible layout */
155 return copyout(&ic->ic_nchans, ireq->i_data, space);
156}
157
158static __noinline int
159ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
160 struct ieee80211req *ireq, int req)
161{
162 struct ieee80211_node *ni;
163 struct ieee80211req_wpaie2 wpaie;
164 int error;
165
166 if (ireq->i_len < IEEE80211_ADDR_LEN)
167 return EINVAL;
168 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN);
169 if (error != 0)
170 return error;
171 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr);
172 if (ni == NULL)
173 return ENOENT;
174 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie));
175 if (ni->ni_ies.wpa_ie != NULL) {
176 int ielen = ni->ni_ies.wpa_ie[1] + 2;
177 if (ielen > sizeof(wpaie.wpa_ie))
178 ielen = sizeof(wpaie.wpa_ie);
179 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen);
180 }
181 if (req == IEEE80211_IOC_WPAIE2) {
182 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie));
183 if (ni->ni_ies.rsn_ie != NULL) {
184 int ielen = ni->ni_ies.rsn_ie[1] + 2;
185 if (ielen > sizeof(wpaie.rsn_ie))
186 ielen = sizeof(wpaie.rsn_ie);
187 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen);
188 }
189 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
190 ireq->i_len = sizeof(struct ieee80211req_wpaie2);
191 } else {
192 /* compatibility op, may overwrite wpa ie */
193 /* XXX check ic_flags? */
194 if (ni->ni_ies.rsn_ie != NULL) {
195 int ielen = ni->ni_ies.rsn_ie[1] + 2;
196 if (ielen > sizeof(wpaie.wpa_ie))
197 ielen = sizeof(wpaie.wpa_ie);
198 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen);
199 }
200 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
201 ireq->i_len = sizeof(struct ieee80211req_wpaie);
202 }
203 ieee80211_free_node(ni);
204 return copyout(&wpaie, ireq->i_data, ireq->i_len);
205}
206
207static __noinline int
208ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
209{
210 struct ieee80211_node *ni;
211 uint8_t macaddr[IEEE80211_ADDR_LEN];
212 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats);
213 int error;
214
215 if (ireq->i_len < off)
216 return EINVAL;
217 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
218 if (error != 0)
219 return error;
220 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
221 if (ni == NULL)
222 return ENOENT;
223 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
224 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
225 /* NB: copy out only the statistics */
226 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
227 ireq->i_len - off);
228 ieee80211_free_node(ni);
229 return error;
230}
231
232struct scanreq {
233 struct ieee80211req_scan_result *sr;
234 size_t space;
235};
236
237static size_t
238scan_space(const struct ieee80211_scan_entry *se, int *ielen)
239{
240 size_t len;
241
242 *ielen = se->se_ies.len;
243 /*
244 * NB: ie's can be no more than 255 bytes and the max 802.11
245 * packet is <3Kbytes so we are sure this doesn't overflow
246 * 16-bits; if this is a concern we can drop the ie's.
247 */
248 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + *ielen;
249 return roundup(len, sizeof(uint32_t));
250}
251
252static void
253get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
254{
255 struct scanreq *req = arg;
256 int ielen;
257
258 req->space += scan_space(se, &ielen);
259}
260
261static __noinline void
262get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
263{
264 struct scanreq *req = arg;
265 struct ieee80211req_scan_result *sr;
266 int ielen, len, nr, nxr;
267 uint8_t *cp;
268
269 len = scan_space(se, &ielen);
270 if (len > req->space)
271 return;
272
273 sr = req->sr;
274 KASSERT(len <= 65535 && ielen <= 65535,
275 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
276 sr->isr_len = len;
277 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
278 sr->isr_ie_len = ielen;
279 sr->isr_freq = se->se_chan->ic_freq;
280 sr->isr_flags = se->se_chan->ic_flags;
281 sr->isr_rssi = se->se_rssi;
282 sr->isr_noise = se->se_noise;
283 sr->isr_intval = se->se_intval;
284 sr->isr_capinfo = se->se_capinfo;
285 sr->isr_erp = se->se_erp;
286 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
287 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
288 memcpy(sr->isr_rates, se->se_rates+2, nr);
289 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
290 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
291 sr->isr_nrates = nr + nxr;
292
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 if (ielen) {
298 cp += sr->isr_ssid_len;
299 memcpy(cp, se->se_ies.data, ielen);
300 }
301
302 req->space -= len;
303 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
304}
305
306static __noinline int
307ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
308 struct ieee80211req *ireq)
309{
310 struct scanreq req;
311 int error;
312
313 if (ireq->i_len < sizeof(struct scanreq))
314 return EFAULT;
315
316 error = 0;
317 req.space = 0;
318 ieee80211_scan_iterate(vap, get_scan_space, &req);
319 if (req.space > ireq->i_len)
320 req.space = ireq->i_len;
321 if (req.space > 0) {
322 size_t space;
323 void *p;
324
325 space = req.space;
326 /* XXX M_WAITOK after driver lock released */
327 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO);
328 if (p == NULL)
329 return ENOMEM;
330 req.sr = p;
331 ieee80211_scan_iterate(vap, get_scan_result, &req);
332 ireq->i_len = space - req.space;
333 error = copyout(p, ireq->i_data, ireq->i_len);
334 free(p, M_TEMP);
335 } else
336 ireq->i_len = 0;
337
338 return error;
339}
340
341struct stainforeq {
342 struct ieee80211vap *vap;
343 struct ieee80211req_sta_info *si;
344 size_t space;
345};
346
347static size_t
348sta_space(const struct ieee80211_node *ni, size_t *ielen)
349{
350 *ielen = ni->ni_ies.len;
351 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
352 sizeof(uint32_t));
353}
354
355static void
356get_sta_space(void *arg, struct ieee80211_node *ni)
357{
358 struct stainforeq *req = arg;
359 size_t ielen;
360
361 if (req->vap != ni->ni_vap)
362 return;
363 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
364 ni->ni_associd == 0) /* only associated stations */
365 return;
366 req->space += sta_space(ni, &ielen);
367}
368
369static __noinline void
370get_sta_info(void *arg, struct ieee80211_node *ni)
371{
372 struct stainforeq *req = arg;
373 struct ieee80211vap *vap = ni->ni_vap;
374 struct ieee80211req_sta_info *si;
375 size_t ielen, len;
376 uint8_t *cp;
377
378 if (req->vap != ni->ni_vap)
379 return;
380 if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
381 ni->ni_associd == 0) /* only associated stations */
382 return;
383 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
384 return;
385 len = sta_space(ni, &ielen);
386 if (len > req->space)
387 return;
388 si = req->si;
389 si->isi_len = len;
390 si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
391 si->isi_ie_len = ielen;
392 si->isi_freq = ni->ni_chan->ic_freq;
393 si->isi_flags = ni->ni_chan->ic_flags;
394 si->isi_state = ni->ni_flags;
395 si->isi_authmode = ni->ni_authmode;
396 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
397 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
398 si->isi_capinfo = ni->ni_capinfo;
399 si->isi_erp = ni->ni_erp;
400 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
401 si->isi_nrates = ni->ni_rates.rs_nrates;
402 if (si->isi_nrates > 15)
403 si->isi_nrates = 15;
404 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
405 si->isi_txrate = ni->ni_txrate;
406 if (si->isi_txrate & IEEE80211_RATE_MCS) {
407 const struct ieee80211_mcs_rates *mcs =
408 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
409 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
410 if (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40)
411 si->isi_txmbps = mcs->ht40_rate_800ns;
412 else
413 si->isi_txmbps = mcs->ht40_rate_400ns;
414 } else {
415 if (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20)
416 si->isi_txmbps = mcs->ht20_rate_800ns;
417 else
418 si->isi_txmbps = mcs->ht20_rate_400ns;
419 }
420 } else
421 si->isi_txmbps = si->isi_txrate;
422 si->isi_associd = ni->ni_associd;
423 si->isi_txpower = ni->ni_txpower;
424 si->isi_vlan = ni->ni_vlan;
425 if (ni->ni_flags & IEEE80211_NODE_QOS) {
426 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
427 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
428 } else {
429 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
430 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
431 }
432 /* NB: leave all cases in case we relax ni_associd == 0 check */
433 if (ieee80211_node_is_authorized(ni))
434 si->isi_inact = vap->iv_inact_run;
435 else if (ni->ni_associd != 0 ||
436 (vap->iv_opmode == IEEE80211_M_WDS &&
437 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
438 si->isi_inact = vap->iv_inact_auth;
439 else
440 si->isi_inact = vap->iv_inact_init;
441 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
442
443 if (ielen) {
444 cp = ((uint8_t *)si) + si->isi_ie_off;
445 memcpy(cp, ni->ni_ies.data, ielen);
446 }
447
448 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
449 req->space -= len;
450}
451
452static __noinline int
453getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
454 struct ieee80211_node *ni, int off)
455{
456 struct ieee80211com *ic = vap->iv_ic;
457 struct stainforeq req;
458 size_t space;
459 void *p;
460 int error;
461
462 error = 0;
463 req.space = 0;
464 req.vap = vap;
465 if (ni == NULL)
466 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
467 else
468 get_sta_space(&req, ni);
469 if (req.space > ireq->i_len)
470 req.space = ireq->i_len;
471 if (req.space > 0) {
472 space = req.space;
473 /* XXX M_WAITOK after driver lock released */
474 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO);
475 if (p == NULL) {
476 error = ENOMEM;
477 goto bad;
478 }
479 req.si = p;
480 if (ni == NULL)
481 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
482 else
483 get_sta_info(&req, ni);
484 ireq->i_len = space - req.space;
485 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
486 free(p, M_TEMP);
487 } else
488 ireq->i_len = 0;
489bad:
490 if (ni != NULL)
491 ieee80211_free_node(ni);
492 return error;
493}
494
495static __noinline int
496ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
497{
498 uint8_t macaddr[IEEE80211_ADDR_LEN];
499 const int off = __offsetof(struct ieee80211req_sta_req, info);
500 struct ieee80211_node *ni;
501 int error;
502
503 if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
504 return EFAULT;
505 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
506 if (error != 0)
507 return error;
508 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
509 ni = NULL;
510 } else {
511 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
512 if (ni == NULL)
513 return ENOENT;
514 }
515 return getstainfo_common(vap, ireq, ni, off);
516}
517
518static __noinline int
519ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
520{
521 struct ieee80211_node *ni;
522 struct ieee80211req_sta_txpow txpow;
523 int error;
524
525 if (ireq->i_len != sizeof(txpow))
526 return EINVAL;
527 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
528 if (error != 0)
529 return error;
530 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
531 if (ni == NULL)
532 return ENOENT;
533 txpow.it_txpow = ni->ni_txpower;
534 error = copyout(&txpow, ireq->i_data, sizeof(txpow));
535 ieee80211_free_node(ni);
536 return error;
537}
538
539static __noinline int
540ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
541{
542 struct ieee80211com *ic = vap->iv_ic;
543 struct ieee80211_wme_state *wme = &ic->ic_wme;
544 struct wmeParams *wmep;
545 int ac;
546
547 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
548 return EINVAL;
549
550 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
551 if (ac >= WME_NUM_AC)
552 ac = WME_AC_BE;
553 if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
554 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
555 else
556 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
557 switch (ireq->i_type) {
558 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
559 ireq->i_val = wmep->wmep_logcwmin;
560 break;
561 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
562 ireq->i_val = wmep->wmep_logcwmax;
563 break;
564 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
565 ireq->i_val = wmep->wmep_aifsn;
566 break;
567 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
568 ireq->i_val = wmep->wmep_txopLimit;
569 break;
570 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
571 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
572 ireq->i_val = wmep->wmep_acm;
573 break;
574 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
575 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
576 ireq->i_val = !wmep->wmep_noackPolicy;
577 break;
578 }
579 return 0;
580}
581
582static __noinline int
583ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
584{
585 const struct ieee80211_aclator *acl = vap->iv_acl;
586
587 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
588}
589
590/*
591 * Return the current ``state'' of an Atheros capbility.
592 * If associated in station mode report the negotiated
593 * setting. Otherwise report the current setting.
594 */
595static int
596getathcap(struct ieee80211vap *vap, int cap)
597{
598 if (vap->iv_opmode == IEEE80211_M_STA &&
599 vap->iv_state == IEEE80211_S_RUN)
600 return IEEE80211_ATH_CAP(vap, vap->iv_bss, cap) != 0;
601 else
602 return (vap->iv_flags & cap) != 0;
603}
604
605static __noinline int
606ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
607{
608 struct ieee80211com *ic = vap->iv_ic;
609 struct ieee80211_channel *c;
610
611 if (ireq->i_len != sizeof(struct ieee80211_channel))
612 return EINVAL;
613 /*
614 * vap's may have different operating channels when HT is
615 * in use. When in RUN state report the vap-specific channel.
616 * Otherwise return curchan.
617 */
618 if (vap->iv_state == IEEE80211_S_RUN)
619 c = vap->iv_bss->ni_chan;
620 else
621 c = ic->ic_curchan;
622 return copyout(c, ireq->i_data, sizeof(*c));
623}
624
625static int
626getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
627{
628 if (aie == NULL)
629 return EINVAL;
630 /* NB: truncate, caller can check length */
631 if (ireq->i_len > aie->ie_len)
632 ireq->i_len = aie->ie_len;
633 return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
634}
635
636static int
637ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
638{
639 uint8_t fc0;
640
641 fc0 = ireq->i_val & 0xff;
642 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
643 return EINVAL;
644 /* NB: could check iv_opmode and reject but hardly worth the effort */
645 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
646 case IEEE80211_FC0_SUBTYPE_BEACON:
647 return getappie(vap->iv_appie_beacon, ireq);
648 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
649 return getappie(vap->iv_appie_proberesp, ireq);
650 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
651 return getappie(vap->iv_appie_assocresp, ireq);
652 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
653 return getappie(vap->iv_appie_probereq, ireq);
654 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
655 return getappie(vap->iv_appie_assocreq, ireq);
656 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
657 return getappie(vap->iv_appie_wpa, ireq);
658 }
659 return EINVAL;
660}
661
662static __noinline int
663ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
664 const struct ieee80211req *ireq)
665{
666 struct ieee80211com *ic = vap->iv_ic;
667
668 if (ireq->i_len != sizeof(ic->ic_regdomain))
669 return EINVAL;
670 return copyout(&ic->ic_regdomain, ireq->i_data,
671 sizeof(ic->ic_regdomain));
672}
673
674static __noinline int
675ieee80211_ioctl_getroam(struct ieee80211vap *vap,
676 const struct ieee80211req *ireq)
677{
678 if (ireq->i_len != sizeof(vap->iv_roamparms))
679 return EINVAL;
680 return copyout(vap->iv_roamparms, ireq->i_data,
681 sizeof(vap->iv_roamparms));
682}
683
684static __noinline int
685ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
686 const struct ieee80211req *ireq)
687{
688 if (ireq->i_len != sizeof(vap->iv_txparms))
689 return EINVAL;
690 return copyout(vap->iv_txparms, ireq->i_data, sizeof(vap->iv_txparms));
691}
692
693static __noinline int
694ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
695 const struct ieee80211req *ireq)
696{
697 struct ieee80211_devcaps_req *dc;
698 struct ieee80211req_chaninfo *ci;
699 int error;
700
701 if (ireq->i_len != sizeof(struct ieee80211_devcaps_req))
702 return EINVAL;
703 dc = (struct ieee80211_devcaps_req *) malloc(
704 sizeof(struct ieee80211_devcaps_req), M_TEMP, M_NOWAIT | M_ZERO);
705 if (dc == NULL)
706 return ENOMEM;
707 dc->dc_drivercaps = ic->ic_caps;
708 dc->dc_cryptocaps = ic->ic_cryptocaps;
709 dc->dc_htcaps = ic->ic_htcaps;
710 ci = &dc->dc_chaninfo;
|
712 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
713 error = copyout(dc, ireq->i_data, sizeof(*dc));
714 free(dc, M_TEMP);
715 return error;
716}
717
718static __noinline int
719ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
720{
721 struct ieee80211_node *ni;
722 struct ieee80211req_sta_vlan vlan;
723 int error;
724
725 if (ireq->i_len != sizeof(vlan))
726 return EINVAL;
727 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
728 if (error != 0)
729 return error;
730 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
731 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
732 vlan.sv_macaddr);
733 if (ni == NULL)
734 return ENOENT;
735 } else
736 ni = ieee80211_ref_node(vap->iv_bss);
737 vlan.sv_vlan = ni->ni_vlan;
738 error = copyout(&vlan, ireq->i_data, sizeof(vlan));
739 ieee80211_free_node(ni);
740 return error;
741}
742
743/*
744 * When building the kernel with -O2 on the i386 architecture, gcc
745 * seems to want to inline this function into ieee80211_ioctl()
746 * (which is the only routine that calls it). When this happens,
747 * ieee80211_ioctl() ends up consuming an additional 2K of stack
748 * space. (Exactly why it needs so much is unclear.) The problem
749 * is that it's possible for ieee80211_ioctl() to invoke other
750 * routines (including driver init functions) which could then find
751 * themselves perilously close to exhausting the stack.
752 *
753 * To avoid this, we deliberately prevent gcc from inlining this
754 * routine. Another way to avoid this is to use less agressive
755 * optimization when compiling this file (i.e. -O instead of -O2)
756 * but special-casing the compilation of this one module in the
757 * build system would be awkward.
758 */
759static __noinline int
760ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
761 struct ieee80211req *ireq)
762{
763#define MS(_v, _f) (((_v) & _f) >> _f##_S)
764 struct ieee80211com *ic = vap->iv_ic;
765 u_int kid, len;
766 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
767 char tmpssid[IEEE80211_NWID_LEN];
768 int error = 0;
769
770 switch (ireq->i_type) {
771 case IEEE80211_IOC_SSID:
772 switch (vap->iv_state) {
773 case IEEE80211_S_INIT:
774 case IEEE80211_S_SCAN:
775 ireq->i_len = vap->iv_des_ssid[0].len;
776 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
777 break;
778 default:
779 ireq->i_len = vap->iv_bss->ni_esslen;
780 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
781 break;
782 }
783 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
784 break;
785 case IEEE80211_IOC_NUMSSIDS:
786 ireq->i_val = 1;
787 break;
788 case IEEE80211_IOC_WEP:
789 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
790 ireq->i_val = IEEE80211_WEP_OFF;
791 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
792 ireq->i_val = IEEE80211_WEP_ON;
793 else
794 ireq->i_val = IEEE80211_WEP_MIXED;
795 break;
796 case IEEE80211_IOC_WEPKEY:
797 kid = (u_int) ireq->i_val;
798 if (kid >= IEEE80211_WEP_NKID)
799 return EINVAL;
800 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
801 /* NB: only root can read WEP keys */
802 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
803 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
804 } else {
805 bzero(tmpkey, len);
806 }
807 ireq->i_len = len;
808 error = copyout(tmpkey, ireq->i_data, len);
809 break;
810 case IEEE80211_IOC_NUMWEPKEYS:
811 ireq->i_val = IEEE80211_WEP_NKID;
812 break;
813 case IEEE80211_IOC_WEPTXKEY:
814 ireq->i_val = vap->iv_def_txkey;
815 break;
816 case IEEE80211_IOC_AUTHMODE:
817 if (vap->iv_flags & IEEE80211_F_WPA)
818 ireq->i_val = IEEE80211_AUTH_WPA;
819 else
820 ireq->i_val = vap->iv_bss->ni_authmode;
821 break;
822 case IEEE80211_IOC_CHANNEL:
823 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
824 break;
825 case IEEE80211_IOC_POWERSAVE:
826 if (vap->iv_flags & IEEE80211_F_PMGTON)
827 ireq->i_val = IEEE80211_POWERSAVE_ON;
828 else
829 ireq->i_val = IEEE80211_POWERSAVE_OFF;
830 break;
831 case IEEE80211_IOC_POWERSAVESLEEP:
832 ireq->i_val = ic->ic_lintval;
833 break;
834 case IEEE80211_IOC_RTSTHRESHOLD:
835 ireq->i_val = vap->iv_rtsthreshold;
836 break;
837 case IEEE80211_IOC_PROTMODE:
838 ireq->i_val = ic->ic_protmode;
839 break;
840 case IEEE80211_IOC_TXPOWER:
841 /*
842 * Tx power limit is the min of max regulatory
843 * power, any user-set limit, and the max the
844 * radio can do.
845 */
846 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
847 if (ireq->i_val > ic->ic_txpowlimit)
848 ireq->i_val = ic->ic_txpowlimit;
849 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
850 ireq->i_val = ic->ic_curchan->ic_maxpower;
851 break;
852 case IEEE80211_IOC_WPA:
853 switch (vap->iv_flags & IEEE80211_F_WPA) {
854 case IEEE80211_F_WPA1:
855 ireq->i_val = 1;
856 break;
857 case IEEE80211_F_WPA2:
858 ireq->i_val = 2;
859 break;
860 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
861 ireq->i_val = 3;
862 break;
863 default:
864 ireq->i_val = 0;
865 break;
866 }
867 break;
868 case IEEE80211_IOC_CHANLIST:
869 error = ieee80211_ioctl_getchanlist(vap, ireq);
870 break;
871 case IEEE80211_IOC_ROAMING:
872 ireq->i_val = vap->iv_roaming;
873 break;
874 case IEEE80211_IOC_PRIVACY:
875 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
876 break;
877 case IEEE80211_IOC_DROPUNENCRYPTED:
878 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
879 break;
880 case IEEE80211_IOC_COUNTERMEASURES:
881 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
882 break;
883 case IEEE80211_IOC_WME:
884 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
885 break;
886 case IEEE80211_IOC_HIDESSID:
887 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
888 break;
889 case IEEE80211_IOC_APBRIDGE:
890 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
891 break;
892 case IEEE80211_IOC_WPAKEY:
893 error = ieee80211_ioctl_getkey(vap, ireq);
894 break;
895 case IEEE80211_IOC_CHANINFO:
896 error = ieee80211_ioctl_getchaninfo(vap, ireq);
897 break;
898 case IEEE80211_IOC_BSSID:
899 if (ireq->i_len != IEEE80211_ADDR_LEN)
900 return EINVAL;
901 error = copyout(vap->iv_state == IEEE80211_S_RUN ?
902 vap->iv_bss->ni_bssid :
903 vap->iv_des_bssid,
904 ireq->i_data, ireq->i_len);
905 break;
906 case IEEE80211_IOC_WPAIE:
907 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
908 break;
909 case IEEE80211_IOC_WPAIE2:
910 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
911 break;
912 case IEEE80211_IOC_SCAN_RESULTS:
913 error = ieee80211_ioctl_getscanresults(vap, ireq);
914 break;
915 case IEEE80211_IOC_STA_STATS:
916 error = ieee80211_ioctl_getstastats(vap, ireq);
917 break;
918 case IEEE80211_IOC_TXPOWMAX:
919 ireq->i_val = vap->iv_bss->ni_txpower;
920 break;
921 case IEEE80211_IOC_STA_TXPOW:
922 error = ieee80211_ioctl_getstatxpow(vap, ireq);
923 break;
924 case IEEE80211_IOC_STA_INFO:
925 error = ieee80211_ioctl_getstainfo(vap, ireq);
926 break;
927 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
928 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
929 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
930 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
931 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
932 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
933 error = ieee80211_ioctl_getwmeparam(vap, ireq);
934 break;
935 case IEEE80211_IOC_DTIM_PERIOD:
936 ireq->i_val = vap->iv_dtim_period;
937 break;
938 case IEEE80211_IOC_BEACON_INTERVAL:
939 /* NB: get from ic_bss for station mode */
940 ireq->i_val = vap->iv_bss->ni_intval;
941 break;
942 case IEEE80211_IOC_PUREG:
943 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
944 break;
945 case IEEE80211_IOC_FF:
946 ireq->i_val = getathcap(vap, IEEE80211_F_FF);
947 break;
948 case IEEE80211_IOC_TURBOP:
949 ireq->i_val = getathcap(vap, IEEE80211_F_TURBOP);
950 break;
951 case IEEE80211_IOC_BGSCAN:
952 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
953 break;
954 case IEEE80211_IOC_BGSCAN_IDLE:
955 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */
956 break;
957 case IEEE80211_IOC_BGSCAN_INTERVAL:
958 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */
959 break;
960 case IEEE80211_IOC_SCANVALID:
961 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */
962 break;
963 case IEEE80211_IOC_FRAGTHRESHOLD:
964 ireq->i_val = vap->iv_fragthreshold;
965 break;
966 case IEEE80211_IOC_MACCMD:
967 error = ieee80211_ioctl_getmaccmd(vap, ireq);
968 break;
969 case IEEE80211_IOC_BURST:
970 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
971 break;
972 case IEEE80211_IOC_BMISSTHRESHOLD:
973 ireq->i_val = vap->iv_bmissthreshold;
974 break;
975 case IEEE80211_IOC_CURCHAN:
976 error = ieee80211_ioctl_getcurchan(vap, ireq);
977 break;
978 case IEEE80211_IOC_SHORTGI:
979 ireq->i_val = 0;
980 if (vap->iv_flags_ext & IEEE80211_FEXT_SHORTGI20)
981 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
982 if (vap->iv_flags_ext & IEEE80211_FEXT_SHORTGI40)
983 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
984 break;
985 case IEEE80211_IOC_AMPDU:
986 ireq->i_val = 0;
987 if (vap->iv_flags_ext & IEEE80211_FEXT_AMPDU_TX)
988 ireq->i_val |= 1;
989 if (vap->iv_flags_ext & IEEE80211_FEXT_AMPDU_RX)
990 ireq->i_val |= 2;
991 break;
992 case IEEE80211_IOC_AMPDU_LIMIT:
993 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
994 ireq->i_val = vap->iv_ampdu_rxmax;
995 else if (vap->iv_state == IEEE80211_S_RUN)
996 ireq->i_val = MS(vap->iv_bss->ni_htparam,
997 IEEE80211_HTCAP_MAXRXAMPDU);
998 else
999 ireq->i_val = vap->iv_ampdu_limit;
1000 break;
1001 case IEEE80211_IOC_AMPDU_DENSITY:
1002 if (vap->iv_opmode == IEEE80211_M_STA &&
1003 vap->iv_state == IEEE80211_S_RUN)
1004 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1005 IEEE80211_HTCAP_MPDUDENSITY);
1006 else
1007 ireq->i_val = vap->iv_ampdu_density;
1008 break;
1009 case IEEE80211_IOC_AMSDU:
1010 ireq->i_val = 0;
1011 if (vap->iv_flags_ext & IEEE80211_FEXT_AMSDU_TX)
1012 ireq->i_val |= 1;
1013 if (vap->iv_flags_ext & IEEE80211_FEXT_AMSDU_RX)
1014 ireq->i_val |= 2;
1015 break;
1016 case IEEE80211_IOC_AMSDU_LIMIT:
1017 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */
1018 break;
1019 case IEEE80211_IOC_PUREN:
1020 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_PUREN) != 0;
1021 break;
1022 case IEEE80211_IOC_DOTH:
1023 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1024 break;
1025 case IEEE80211_IOC_REGDOMAIN:
1026 error = ieee80211_ioctl_getregdomain(vap, ireq);
1027 break;
1028 case IEEE80211_IOC_ROAM:
1029 error = ieee80211_ioctl_getroam(vap, ireq);
1030 break;
1031 case IEEE80211_IOC_TXPARAMS:
1032 error = ieee80211_ioctl_gettxparams(vap, ireq);
1033 break;
1034 case IEEE80211_IOC_HTCOMPAT:
1035 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_HTCOMPAT) != 0;
1036 break;
1037 case IEEE80211_IOC_DWDS:
1038 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1039 break;
1040 case IEEE80211_IOC_INACTIVITY:
1041 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1042 break;
1043 case IEEE80211_IOC_APPIE:
1044 error = ieee80211_ioctl_getappie(vap, ireq);
1045 break;
1046 case IEEE80211_IOC_WPS:
1047 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1048 break;
1049 case IEEE80211_IOC_TSN:
1050 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1051 break;
1052 case IEEE80211_IOC_DFS:
1053 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1054 break;
1055 case IEEE80211_IOC_DOTD:
1056 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1057 break;
1058 case IEEE80211_IOC_DEVCAPS:
1059 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1060 break;
1061 case IEEE80211_IOC_HTPROTMODE:
1062 ireq->i_val = ic->ic_htprotmode;
1063 break;
1064 case IEEE80211_IOC_HTCONF:
1065 if (vap->iv_flags_ext & IEEE80211_FEXT_HT) {
1066 ireq->i_val = 1;
1067 if (vap->iv_flags_ext & IEEE80211_FEXT_USEHT40)
1068 ireq->i_val |= 2;
1069 } else
1070 ireq->i_val = 0;
1071 break;
1072 case IEEE80211_IOC_STA_VLAN:
1073 error = ieee80211_ioctl_getstavlan(vap, ireq);
1074 break;
1075 case IEEE80211_IOC_SMPS:
1076 if (vap->iv_opmode == IEEE80211_M_STA &&
1077 vap->iv_state == IEEE80211_S_RUN) {
1078 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1079 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1080 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1081 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1082 else
1083 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1084 } else
1085 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1086 break;
1087 case IEEE80211_IOC_RIFS:
1088 if (vap->iv_opmode == IEEE80211_M_STA &&
1089 vap->iv_state == IEEE80211_S_RUN)
1090 ireq->i_val =
1091 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1092 else
1093 ireq->i_val =
1094 (vap->iv_flags_ext & IEEE80211_FEXT_RIFS) != 0;
1095 break;
1096#ifdef IEEE80211_SUPPORT_TDMA
1097 case IEEE80211_IOC_TDMA_SLOT:
1098 case IEEE80211_IOC_TDMA_SLOTCNT:
1099 case IEEE80211_IOC_TDMA_SLOTLEN:
1100 case IEEE80211_IOC_TDMA_BINTERVAL:
1101 error = ieee80211_tdma_ioctl_get80211(vap, ireq);
1102 break;
1103#endif
1104 default:
1105 error = EINVAL;
1106 break;
1107 }
1108 return error;
1109#undef MS
1110}
1111
1112static __noinline int
1113ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1114{
1115 struct ieee80211req_key ik;
1116 struct ieee80211_node *ni;
1117 struct ieee80211_key *wk;
1118 uint16_t kid;
1119 int error, i;
1120
1121 if (ireq->i_len != sizeof(ik))
1122 return EINVAL;
1123 error = copyin(ireq->i_data, &ik, sizeof(ik));
1124 if (error)
1125 return error;
1126 /* NB: cipher support is verified by ieee80211_crypt_newkey */
1127 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1128 if (ik.ik_keylen > sizeof(ik.ik_keydata))
1129 return E2BIG;
1130 kid = ik.ik_keyix;
1131 if (kid == IEEE80211_KEYIX_NONE) {
1132 /* XXX unicast keys currently must be tx/rx */
1133 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1134 return EINVAL;
1135 if (vap->iv_opmode == IEEE80211_M_STA) {
1136 ni = ieee80211_ref_node(vap->iv_bss);
1137 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1138 ieee80211_free_node(ni);
1139 return EADDRNOTAVAIL;
1140 }
1141 } else {
1142 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1143 ik.ik_macaddr);
1144 if (ni == NULL)
1145 return ENOENT;
1146 }
1147 wk = &ni->ni_ucastkey;
1148 } else {
1149 if (kid >= IEEE80211_WEP_NKID)
1150 return EINVAL;
1151 wk = &vap->iv_nw_keys[kid];
1152 /*
1153 * Global slots start off w/o any assigned key index.
1154 * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1155 */
1156 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1157 wk->wk_keyix = kid;
1158 ni = NULL;
1159 }
1160 error = 0;
1161 ieee80211_key_update_begin(vap);
1162 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1163 wk->wk_keylen = ik.ik_keylen;
1164 /* NB: MIC presence is implied by cipher type */
1165 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1166 wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1167 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1168 wk->wk_keyrsc[i] = ik.ik_keyrsc;
1169 wk->wk_keytsc = 0; /* new key, reset */
1170 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1171 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1172 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1173 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr);
1174 if (!ieee80211_crypto_setkey(vap, wk))
1175 error = EIO;
1176 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1177 vap->iv_def_txkey = kid;
1178 } else
1179 error = ENXIO;
1180 ieee80211_key_update_end(vap);
1181 if (ni != NULL)
1182 ieee80211_free_node(ni);
1183 return error;
1184}
1185
1186static __noinline int
1187ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1188{
1189 struct ieee80211req_del_key dk;
1190 int kid, error;
1191
1192 if (ireq->i_len != sizeof(dk))
1193 return EINVAL;
1194 error = copyin(ireq->i_data, &dk, sizeof(dk));
1195 if (error)
1196 return error;
1197 kid = dk.idk_keyix;
1198 /* XXX uint8_t -> uint16_t */
1199 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1200 struct ieee80211_node *ni;
1201
1202 if (vap->iv_opmode == IEEE80211_M_STA) {
1203 ni = ieee80211_ref_node(vap->iv_bss);
1204 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1205 ieee80211_free_node(ni);
1206 return EADDRNOTAVAIL;
1207 }
1208 } else {
1209 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1210 dk.idk_macaddr);
1211 if (ni == NULL)
1212 return ENOENT;
1213 }
1214 /* XXX error return */
1215 ieee80211_node_delucastkey(ni);
1216 ieee80211_free_node(ni);
1217 } else {
1218 if (kid >= IEEE80211_WEP_NKID)
1219 return EINVAL;
1220 /* XXX error return */
1221 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1222 }
1223 return 0;
1224}
1225
1226struct mlmeop {
1227 struct ieee80211vap *vap;
1228 int op;
1229 int reason;
1230};
1231
1232static void
1233mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1234 int op, int reason)
1235{
1236#ifdef IEEE80211_DEBUG
1237 static const struct {
1238 int mask;
1239 const char *opstr;
1240 } ops[] = {
1241 { 0, "op#0" },
1242 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1243 IEEE80211_MSG_ASSOC, "assoc" },
1244 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1245 IEEE80211_MSG_ASSOC, "disassoc" },
1246 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1247 IEEE80211_MSG_AUTH, "deauth" },
1248 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1249 IEEE80211_MSG_AUTH, "authorize" },
1250 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1251 IEEE80211_MSG_AUTH, "unauthorize" },
1252 };
1253
1254 if (op == IEEE80211_MLME_AUTH) {
1255 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1256 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1257 "station authenticate %s via MLME (reason %d)",
1258 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1259 reason);
1260 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1261 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1262 "unknown MLME request %d (reason %d)", op, reason);
1263 } else if (reason == IEEE80211_STATUS_SUCCESS) {
1264 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1265 "station %s via MLME", ops[op].opstr);
1266 } else {
1267 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1268 "station %s via MLME (reason %d)", ops[op].opstr, reason);
1269 }
1270#endif /* IEEE80211_DEBUG */
1271}
1272
1273static void
1274domlme(void *arg, struct ieee80211_node *ni)
1275{
1276 struct mlmeop *mop = arg;
1277 struct ieee80211vap *vap = ni->ni_vap;
1278
1279 if (vap != mop->vap)
1280 return;
1281 /*
1282 * NB: if ni_associd is zero then the node is already cleaned
1283 * up and we don't need to do this (we're safely holding a
1284 * reference but should otherwise not modify it's state).
1285 */
1286 if (ni->ni_associd == 0)
1287 return;
1288 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1289 if (mop->op == IEEE80211_MLME_DEAUTH) {
1290 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1291 mop->reason);
1292 } else {
1293 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1294 mop->reason);
1295 }
1296 ieee80211_node_leave(ni);
1297}
1298
1299static int
1300setmlme_dropsta(struct ieee80211vap *vap,
1301 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1302{
1303 struct ieee80211com *ic = vap->iv_ic;
1304 struct ieee80211_node_table *nt = &ic->ic_sta;
1305 struct ieee80211_node *ni;
1306 int error = 0;
1307
1308 /* NB: the broadcast address means do 'em all */
1309 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) {
1310 IEEE80211_NODE_LOCK(nt);
1311 ni = ieee80211_find_node_locked(nt, mac);
1312 if (ni != NULL) {
1313 domlme(mlmeop, ni);
1314 ieee80211_free_node(ni);
1315 } else
1316 error = ENOENT;
1317 IEEE80211_NODE_UNLOCK(nt);
1318 } else {
1319 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1320 }
1321 return error;
1322}
1323
1324static __noinline int
1325setmlme_common(struct ieee80211vap *vap, int op,
1326 const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1327{
1328 struct ieee80211com *ic = vap->iv_ic;
1329 struct ieee80211_node_table *nt = &ic->ic_sta;
1330 struct ieee80211_node *ni;
1331 struct mlmeop mlmeop;
1332 int error;
1333
1334 error = 0;
1335 switch (op) {
1336 case IEEE80211_MLME_DISASSOC:
1337 case IEEE80211_MLME_DEAUTH:
1338 switch (vap->iv_opmode) {
1339 case IEEE80211_M_STA:
1340 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1341 /* XXX not quite right */
1342 ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1343 break;
1344 case IEEE80211_M_HOSTAP:
1345 mlmeop.vap = vap;
1346 mlmeop.op = op;
1347 mlmeop.reason = reason;
1348 error = setmlme_dropsta(vap, mac, &mlmeop);
1349 break;
1350 case IEEE80211_M_WDS:
1351 /* XXX user app should send raw frame? */
1352 if (op != IEEE80211_MLME_DEAUTH) {
1353 error = EINVAL;
1354 break;
1355 }
1356#if 0
1357 /* XXX accept any address, simplifies user code */
1358 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1359 error = EINVAL;
1360 break;
1361 }
1362#endif
1363 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1364 ni = ieee80211_ref_node(vap->iv_bss);
1365 IEEE80211_SEND_MGMT(ni,
1366 IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1367 ieee80211_free_node(ni);
1368 break;
1369 default:
1370 error = EINVAL;
1371 break;
1372 }
1373 break;
1374 case IEEE80211_MLME_AUTHORIZE:
1375 case IEEE80211_MLME_UNAUTHORIZE:
1376 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1377 vap->iv_opmode != IEEE80211_M_WDS) {
1378 error = EINVAL;
1379 break;
1380 }
1381 IEEE80211_NODE_LOCK(nt);
1382 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1383 if (ni != NULL) {
1384 mlmedebug(vap, mac, op, reason);
1385 if (op == IEEE80211_MLME_AUTHORIZE)
1386 ieee80211_node_authorize(ni);
1387 else
1388 ieee80211_node_unauthorize(ni);
1389 ieee80211_free_node(ni);
1390 } else
1391 error = ENOENT;
1392 IEEE80211_NODE_UNLOCK(nt);
1393 break;
1394 case IEEE80211_MLME_AUTH:
1395 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1396 error = EINVAL;
1397 break;
1398 }
1399 IEEE80211_NODE_LOCK(nt);
1400 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1401 if (ni != NULL) {
1402 mlmedebug(vap, mac, op, reason);
1403 if (reason == IEEE80211_STATUS_SUCCESS) {
1404 IEEE80211_SEND_MGMT(ni,
1405 IEEE80211_FC0_SUBTYPE_AUTH, 2);
1406 /*
1407 * For shared key auth, just continue the
1408 * exchange. Otherwise when 802.1x is not in
1409 * use mark the port authorized at this point
1410 * so traffic can flow.
1411 */
1412 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1413 ni->ni_challenge == NULL)
1414 ieee80211_node_authorize(ni);
1415 } else {
1416 vap->iv_stats.is_rx_acl++;
1417 ieee80211_send_error(ni, ni->ni_macaddr,
1418 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1419 ieee80211_node_leave(ni);
1420 }
1421 ieee80211_free_node(ni);
1422 } else
1423 error = ENOENT;
1424 IEEE80211_NODE_UNLOCK(nt);
1425 break;
1426 default:
1427 error = EINVAL;
1428 break;
1429 }
1430 return error;
1431}
1432
1433struct scanlookup {
1434 const uint8_t *mac;
1435 int esslen;
1436 const uint8_t *essid;
1437 const struct ieee80211_scan_entry *se;
1438};
1439
1440/*
1441 * Match mac address and any ssid.
1442 */
1443static void
1444mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1445{
1446 struct scanlookup *look = arg;
1447
1448 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1449 return;
1450 if (look->esslen != 0) {
1451 if (se->se_ssid[1] != look->esslen)
1452 return;
1453 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1454 return;
1455 }
1456 look->se = se;
1457}
1458
1459static __noinline int
1460setmlme_assoc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1461 int ssid_len, const uint8_t ssid[IEEE80211_NWID_LEN])
1462{
1463 struct scanlookup lookup;
1464
1465 /* XXX ibss/ahdemo */
1466 if (vap->iv_opmode != IEEE80211_M_STA)
1467 return EINVAL;
1468
1469 /* NB: this is racey if roaming is !manual */
1470 lookup.se = NULL;
1471 lookup.mac = mac;
1472 lookup.esslen = ssid_len;
1473 lookup.essid = ssid;
1474 ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1475 if (lookup.se == NULL)
1476 return ENOENT;
1477 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1478 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1479 return EIO; /* XXX unique but could be better */
1480 return 0;
1481}
1482
1483static __noinline int
1484ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1485{
1486 struct ieee80211req_mlme mlme;
1487 int error;
1488
1489 if (ireq->i_len != sizeof(mlme))
1490 return EINVAL;
1491 error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1492 if (error)
1493 return error;
1494 if (mlme.im_op == IEEE80211_MLME_ASSOC)
1495 return setmlme_assoc(vap, mlme.im_macaddr,
1496 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1497 else
1498 return setmlme_common(vap, mlme.im_op,
1499 mlme.im_macaddr, mlme.im_reason);
1500}
1501
1502static __noinline int
1503ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1504{
1505 uint8_t mac[IEEE80211_ADDR_LEN];
1506 const struct ieee80211_aclator *acl = vap->iv_acl;
1507 int error;
1508
1509 if (ireq->i_len != sizeof(mac))
1510 return EINVAL;
1511 error = copyin(ireq->i_data, mac, ireq->i_len);
1512 if (error)
1513 return error;
1514 if (acl == NULL) {
1515 acl = ieee80211_aclator_get("mac");
1516 if (acl == NULL || !acl->iac_attach(vap))
1517 return EINVAL;
1518 vap->iv_acl = acl;
1519 }
1520 if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1521 acl->iac_add(vap, mac);
1522 else
1523 acl->iac_remove(vap, mac);
1524 return 0;
1525}
1526
1527static __noinline int
1528ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1529{
1530 const struct ieee80211_aclator *acl = vap->iv_acl;
1531
1532 switch (ireq->i_val) {
1533 case IEEE80211_MACCMD_POLICY_OPEN:
1534 case IEEE80211_MACCMD_POLICY_ALLOW:
1535 case IEEE80211_MACCMD_POLICY_DENY:
1536 case IEEE80211_MACCMD_POLICY_RADIUS:
1537 if (acl == NULL) {
1538 acl = ieee80211_aclator_get("mac");
1539 if (acl == NULL || !acl->iac_attach(vap))
1540 return EINVAL;
1541 vap->iv_acl = acl;
1542 }
1543 acl->iac_setpolicy(vap, ireq->i_val);
1544 break;
1545 case IEEE80211_MACCMD_FLUSH:
1546 if (acl != NULL)
1547 acl->iac_flush(vap);
1548 /* NB: silently ignore when not in use */
1549 break;
1550 case IEEE80211_MACCMD_DETACH:
1551 if (acl != NULL) {
1552 vap->iv_acl = NULL;
1553 acl->iac_detach(vap);
1554 }
1555 break;
1556 default:
1557 if (acl == NULL)
1558 return EINVAL;
1559 else
1560 return acl->iac_setioctl(vap, ireq);
1561 }
1562 return 0;
1563}
1564
1565static __noinline int
1566ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1567{
1568 struct ieee80211com *ic = vap->iv_ic;
1569 struct ieee80211req_chanlist list;
1570 u_char chanlist[IEEE80211_CHAN_BYTES];
1571 int i, nchan, error;
1572
1573 if (ireq->i_len != sizeof(list))
1574 return EINVAL;
1575 error = copyin(ireq->i_data, &list, sizeof(list));
1576 if (error)
1577 return error;
1578 memset(chanlist, 0, sizeof(chanlist));
1579 nchan = 0;
1580 for (i = 0; i < ic->ic_nchans; i++) {
1581 const struct ieee80211_channel *c = &ic->ic_channels[i];
1582 /*
1583 * Calculate the intersection of the user list and the
1584 * available channels so users can do things like specify
1585 * 1-255 to get all available channels.
1586 */
1587 if (isset(list.ic_channels, c->ic_ieee)) {
1588 setbit(chanlist, c->ic_ieee);
1589 nchan++;
1590 }
1591 }
1592 if (nchan == 0)
1593 return EINVAL;
1594 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */
1595 isclr(chanlist, ic->ic_bsschan->ic_ieee))
1596 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1597 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active));
1598 ieee80211_scan_flush(vap);
1599 return ENETRESET;
1600}
1601
1602static __noinline int
1603ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1604{
1605 struct ieee80211_node *ni;
1606 uint8_t macaddr[IEEE80211_ADDR_LEN];
1607 int error;
1608
1609 /*
1610 * NB: we could copyin ieee80211req_sta_stats so apps
1611 * could make selective changes but that's overkill;
1612 * just clear all stats for now.
1613 */
1614 if (ireq->i_len < IEEE80211_ADDR_LEN)
1615 return EINVAL;
1616 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1617 if (error != 0)
1618 return error;
1619 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1620 if (ni == NULL)
1621 return ENOENT;
1622 /* XXX require ni_vap == vap? */
1623 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1624 ieee80211_free_node(ni);
1625 return 0;
1626}
1627
1628static __noinline int
1629ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1630{
1631 struct ieee80211_node *ni;
1632 struct ieee80211req_sta_txpow txpow;
1633 int error;
1634
1635 if (ireq->i_len != sizeof(txpow))
1636 return EINVAL;
1637 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1638 if (error != 0)
1639 return error;
1640 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1641 if (ni == NULL)
1642 return ENOENT;
1643 ni->ni_txpower = txpow.it_txpow;
1644 ieee80211_free_node(ni);
1645 return error;
1646}
1647
1648static __noinline int
1649ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1650{
1651 struct ieee80211com *ic = vap->iv_ic;
1652 struct ieee80211_wme_state *wme = &ic->ic_wme;
1653 struct wmeParams *wmep, *chanp;
1654 int isbss, ac;
1655
1656 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1657 return EOPNOTSUPP;
1658
1659 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1660 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1661 if (ac >= WME_NUM_AC)
1662 ac = WME_AC_BE;
1663 if (isbss) {
1664 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1665 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1666 } else {
1667 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1668 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1669 }
1670 switch (ireq->i_type) {
1671 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1672 if (isbss) {
1673 wmep->wmep_logcwmin = ireq->i_val;
1674 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1675 chanp->wmep_logcwmin = ireq->i_val;
1676 } else {
1677 wmep->wmep_logcwmin = chanp->wmep_logcwmin =
1678 ireq->i_val;
1679 }
1680 break;
1681 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1682 if (isbss) {
1683 wmep->wmep_logcwmax = ireq->i_val;
1684 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1685 chanp->wmep_logcwmax = ireq->i_val;
1686 } else {
1687 wmep->wmep_logcwmax = chanp->wmep_logcwmax =
1688 ireq->i_val;
1689 }
1690 break;
1691 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1692 if (isbss) {
1693 wmep->wmep_aifsn = ireq->i_val;
1694 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1695 chanp->wmep_aifsn = ireq->i_val;
1696 } else {
1697 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val;
1698 }
1699 break;
1700 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1701 if (isbss) {
1702 wmep->wmep_txopLimit = ireq->i_val;
1703 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1704 chanp->wmep_txopLimit = ireq->i_val;
1705 } else {
1706 wmep->wmep_txopLimit = chanp->wmep_txopLimit =
1707 ireq->i_val;
1708 }
1709 break;
1710 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1711 wmep->wmep_acm = ireq->i_val;
1712 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1713 chanp->wmep_acm = ireq->i_val;
1714 break;
1715 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1716 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1717 (ireq->i_val) == 0;
1718 break;
1719 }
1720 ieee80211_wme_updateparams(vap);
1721 return 0;
1722}
1723
1724static int
1725find11gchannel(struct ieee80211com *ic, int start, int freq)
1726{
1727 const struct ieee80211_channel *c;
1728 int i;
1729
1730 for (i = start+1; i < ic->ic_nchans; i++) {
1731 c = &ic->ic_channels[i];
1732 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1733 return 1;
1734 }
1735 /* NB: should not be needed but in case things are mis-sorted */
1736 for (i = 0; i < start; i++) {
1737 c = &ic->ic_channels[i];
1738 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1739 return 1;
1740 }
1741 return 0;
1742}
1743
1744static struct ieee80211_channel *
1745findchannel(struct ieee80211com *ic, int ieee, int mode)
1746{
1747 static const u_int chanflags[IEEE80211_MODE_MAX] = {
1748 0, /* IEEE80211_MODE_AUTO */
1749 IEEE80211_CHAN_A, /* IEEE80211_MODE_11A */
1750 IEEE80211_CHAN_B, /* IEEE80211_MODE_11B */
1751 IEEE80211_CHAN_G, /* IEEE80211_MODE_11G */
1752 IEEE80211_CHAN_FHSS, /* IEEE80211_MODE_FH */
1753 IEEE80211_CHAN_108A, /* IEEE80211_MODE_TURBO_A */
1754 IEEE80211_CHAN_108G, /* IEEE80211_MODE_TURBO_G */
1755 IEEE80211_CHAN_STURBO, /* IEEE80211_MODE_STURBO_A */
1756 /* NB: handled specially below */
1757 IEEE80211_CHAN_A, /* IEEE80211_MODE_11NA */
1758 IEEE80211_CHAN_G, /* IEEE80211_MODE_11NG */
1759 };
1760 u_int modeflags;
1761 int i;
1762
1763 modeflags = chanflags[mode];
1764 for (i = 0; i < ic->ic_nchans; i++) {
1765 struct ieee80211_channel *c = &ic->ic_channels[i];
1766
1767 if (c->ic_ieee != ieee)
1768 continue;
1769 if (mode == IEEE80211_MODE_AUTO) {
1770 /* ignore turbo channels for autoselect */
1771 if (IEEE80211_IS_CHAN_TURBO(c))
1772 continue;
1773 /*
1774 * XXX special-case 11b/g channels so we
1775 * always select the g channel if both
1776 * are present.
1777 * XXX prefer HT to non-HT?
1778 */
1779 if (!IEEE80211_IS_CHAN_B(c) ||
1780 !find11gchannel(ic, i, c->ic_freq))
1781 return c;
1782 } else {
1783 /* must check HT specially */
1784 if ((mode == IEEE80211_MODE_11NA ||
1785 mode == IEEE80211_MODE_11NG) &&
1786 !IEEE80211_IS_CHAN_HT(c))
1787 continue;
1788 if ((c->ic_flags & modeflags) == modeflags)
1789 return c;
1790 }
1791 }
1792 return NULL;
1793}
1794
1795/*
1796 * Check the specified against any desired mode (aka netband).
1797 * This is only used (presently) when operating in hostap mode
1798 * to enforce consistency.
1799 */
1800static int
1801check_mode_consistency(const struct ieee80211_channel *c, int mode)
1802{
1803 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1804
1805 switch (mode) {
1806 case IEEE80211_MODE_11B:
1807 return (IEEE80211_IS_CHAN_B(c));
1808 case IEEE80211_MODE_11G:
1809 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1810 case IEEE80211_MODE_11A:
1811 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1812 case IEEE80211_MODE_STURBO_A:
1813 return (IEEE80211_IS_CHAN_STURBO(c));
1814 case IEEE80211_MODE_11NA:
1815 return (IEEE80211_IS_CHAN_HTA(c));
1816 case IEEE80211_MODE_11NG:
1817 return (IEEE80211_IS_CHAN_HTG(c));
1818 }
1819 return 1;
1820
1821}
1822
1823/*
1824 * Common code to set the current channel. If the device
1825 * is up and running this may result in an immediate channel
1826 * change or a kick of the state machine.
1827 */
1828static int
1829setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1830{
1831 struct ieee80211com *ic = vap->iv_ic;
1832 int error;
1833
1834 if (c != IEEE80211_CHAN_ANYC) {
1835 if (IEEE80211_IS_CHAN_RADAR(c))
1836 return EBUSY; /* XXX better code? */
1837 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1838 if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1839 return EINVAL;
1840 if (!check_mode_consistency(c, vap->iv_des_mode))
1841 return EINVAL;
1842 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1843 if (IEEE80211_IS_CHAN_NOADHOC(c))
1844 return EINVAL;
1845 }
1846 if (vap->iv_state == IEEE80211_S_RUN &&
1847 vap->iv_bss->ni_chan == c)
1848 return 0; /* NB: nothing to do */
1849 }
1850 vap->iv_des_chan = c;
1851
1852 error = 0;
1853 if (vap->iv_opmode == IEEE80211_M_MONITOR &&
1854 vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1855 /*
1856 * Monitor mode can switch directly.
1857 */
1858 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
1859 /* XXX need state machine for other vap's to follow */
1860 ieee80211_setcurchan(ic, vap->iv_des_chan);
1861 vap->iv_bss->ni_chan = ic->ic_curchan;
1862 } else
1863 ic->ic_curchan = vap->iv_des_chan;
1864 } else {
1865 /*
1866 * Need to go through the state machine in case we
1867 * need to reassociate or the like. The state machine
1868 * will pickup the desired channel and avoid scanning.
1869 */
1870 if (IS_UP_AUTO(vap))
1871 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
1872 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1873 /*
1874 * When not up+running and a real channel has
1875 * been specified fix the current channel so
1876 * there is immediate feedback; e.g. via ifconfig.
1877 */
1878 ic->ic_curchan = vap->iv_des_chan;
1879 }
1880 }
1881 return error;
1882}
1883
1884/*
1885 * Old api for setting the current channel; this is
1886 * deprecated because channel numbers are ambiguous.
1887 */
1888static __noinline int
1889ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
1890 const struct ieee80211req *ireq)
1891{
1892 struct ieee80211com *ic = vap->iv_ic;
1893 struct ieee80211_channel *c;
1894
1895 /* XXX 0xffff overflows 16-bit signed */
1896 if (ireq->i_val == 0 ||
1897 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
1898 c = IEEE80211_CHAN_ANYC;
1899 } else {
1900 struct ieee80211_channel *c2;
1901
1902 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
1903 if (c == NULL) {
1904 c = findchannel(ic, ireq->i_val,
1905 IEEE80211_MODE_AUTO);
1906 if (c == NULL)
1907 return EINVAL;
1908 }
1909 /*
1910 * Fine tune channel selection based on desired mode:
1911 * if 11b is requested, find the 11b version of any
1912 * 11g channel returned,
1913 * if static turbo, find the turbo version of any
1914 * 11a channel return,
1915 * if 11na is requested, find the ht version of any
1916 * 11a channel returned,
1917 * if 11ng is requested, find the ht version of any
1918 * 11g channel returned,
1919 * otherwise we should be ok with what we've got.
1920 */
1921 switch (vap->iv_des_mode) {
1922 case IEEE80211_MODE_11B:
1923 if (IEEE80211_IS_CHAN_ANYG(c)) {
1924 c2 = findchannel(ic, ireq->i_val,
1925 IEEE80211_MODE_11B);
1926 /* NB: should not happen, =>'s 11g w/o 11b */
1927 if (c2 != NULL)
1928 c = c2;
1929 }
1930 break;
1931 case IEEE80211_MODE_TURBO_A:
1932 if (IEEE80211_IS_CHAN_A(c)) {
1933 c2 = findchannel(ic, ireq->i_val,
1934 IEEE80211_MODE_TURBO_A);
1935 if (c2 != NULL)
1936 c = c2;
1937 }
1938 break;
1939 case IEEE80211_MODE_11NA:
1940 if (IEEE80211_IS_CHAN_A(c)) {
1941 c2 = findchannel(ic, ireq->i_val,
1942 IEEE80211_MODE_11NA);
1943 if (c2 != NULL)
1944 c = c2;
1945 }
1946 break;
1947 case IEEE80211_MODE_11NG:
1948 if (IEEE80211_IS_CHAN_ANYG(c)) {
1949 c2 = findchannel(ic, ireq->i_val,
1950 IEEE80211_MODE_11NG);
1951 if (c2 != NULL)
1952 c = c2;
1953 }
1954 break;
1955 default: /* NB: no static turboG */
1956 break;
1957 }
1958 }
1959 return setcurchan(vap, c);
1960}
1961
1962/*
1963 * New/current api for setting the current channel; a complete
1964 * channel description is provide so there is no ambiguity in
1965 * identifying the channel.
1966 */
1967static __noinline int
1968ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
1969 const struct ieee80211req *ireq)
1970{
1971 struct ieee80211com *ic = vap->iv_ic;
1972 struct ieee80211_channel chan, *c;
1973 int error;
1974
1975 if (ireq->i_len != sizeof(chan))
1976 return EINVAL;
1977 error = copyin(ireq->i_data, &chan, sizeof(chan));
1978 if (error != 0)
1979 return error;
1980 /* XXX 0xffff overflows 16-bit signed */
1981 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
1982 c = IEEE80211_CHAN_ANYC;
1983 } else {
1984 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
1985 if (c == NULL)
1986 return EINVAL;
1987 }
1988 return setcurchan(vap, c);
1989}
1990
1991static __noinline int
1992ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
1993 const struct ieee80211req *ireq)
1994{
1995 struct ieee80211_regdomain_req *reg;
1996 int error;
1997
1998 if (ireq->i_len != sizeof(struct ieee80211_regdomain_req))
1999 return EINVAL;
2000 reg = (struct ieee80211_regdomain_req *) malloc(
2001 sizeof(struct ieee80211_regdomain_req), M_TEMP, M_NOWAIT);
2002 if (reg == NULL)
2003 return ENOMEM;
2004 error = copyin(ireq->i_data, reg, sizeof(*reg));
2005 if (error == 0)
2006 error = ieee80211_setregdomain(vap, reg);
2007 free(reg, M_TEMP);
2008
2009 return (error == 0 ? ENETRESET : error);
2010}
2011
2012static int
2013ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2014 const struct ieee80211req *ireq)
2015{
2016 if (ireq->i_len != sizeof(vap->iv_roamparms))
2017 return EINVAL;
2018 /* XXX validate params */
2019 /* XXX? ENETRESET to push to device? */
2020 return copyin(ireq->i_data, vap->iv_roamparms,
2021 sizeof(vap->iv_roamparms));
2022}
2023
2024static int
2025checkrate(const struct ieee80211_rateset *rs, int rate)
2026{
2027 int i;
2028
2029 if (rate == IEEE80211_FIXED_RATE_NONE)
2030 return 1;
2031 for (i = 0; i < rs->rs_nrates; i++)
2032 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2033 return 1;
2034 return 0;
2035}
2036
2037static int
2038checkmcs(int mcs)
2039{
2040 if (mcs == IEEE80211_FIXED_RATE_NONE)
2041 return 1;
2042 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */
2043 return 0;
2044 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */
2045}
2046
2047static __noinline int
2048ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2049 const struct ieee80211req *ireq)
2050{
2051 struct ieee80211com *ic = vap->iv_ic;
2052 struct ieee80211_txparams_req parms; /* XXX stack use? */
2053 struct ieee80211_txparam *src, *dst;
2054 const struct ieee80211_rateset *rs;
2055 int error, i, changed;
2056
2057 if (ireq->i_len != sizeof(parms))
2058 return EINVAL;
2059 error = copyin(ireq->i_data, &parms, sizeof(parms));
2060 if (error != 0)
2061 return error;
2062 changed = 0;
2063 /* validate parameters and check if anything changed */
2064 for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_11NA; i++) {
2065 if (isclr(ic->ic_modecaps, i))
2066 continue;
2067 src = &parms.params[i];
2068 dst = &vap->iv_txparms[i];
2069 rs = &ic->ic_sup_rates[i];
2070 if (src->ucastrate != dst->ucastrate) {
2071 if (!checkrate(rs, src->ucastrate))
2072 return EINVAL;
2073 changed++;
2074 }
2075 if (src->mcastrate != dst->mcastrate) {
2076 if (!checkrate(rs, src->mcastrate))
2077 return EINVAL;
2078 changed++;
2079 }
2080 if (src->mgmtrate != dst->mgmtrate) {
2081 if (!checkrate(rs, src->mgmtrate))
2082 return EINVAL;
2083 changed++;
2084 }
2085 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2086 changed++;
2087 }
2088 /* 11n parameters are handled differently */
2089 for (; i < IEEE80211_MODE_MAX; i++) {
2090 if (isclr(ic->ic_modecaps, i))
2091 continue;
2092 src = &parms.params[i];
2093 dst = &vap->iv_txparms[i];
2094 rs = &ic->ic_sup_rates[i == IEEE80211_MODE_11NA ?
2095 IEEE80211_MODE_11A : IEEE80211_MODE_11G];
2096 if (src->ucastrate != dst->ucastrate) {
2097 if (!checkmcs(src->ucastrate) &&
2098 !checkrate(rs, src->ucastrate))
2099 return EINVAL;
2100 changed++;
2101 }
2102 if (src->mcastrate != dst->mcastrate) {
2103 if (!checkmcs(src->mcastrate) &&
2104 !checkrate(rs, src->mcastrate))
2105 return EINVAL;
2106 changed++;
2107 }
2108 if (src->mgmtrate != dst->mgmtrate) {
2109 if (!checkmcs(src->mgmtrate) &&
2110 !checkrate(rs, src->mgmtrate))
2111 return EINVAL;
2112 changed++;
2113 }
2114 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2115 changed++;
2116 }
2117 if (changed) {
2118 /*
2119 * Copy new parameters in place and notify the
2120 * driver so it can push state to the device.
2121 */
2122 for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++) {
2123 if (isset(ic->ic_modecaps, i))
2124 vap->iv_txparms[i] = parms.params[i];
2125 }
2126 /* XXX could be more intelligent,
2127 e.g. don't reset if setting not being used */
2128 return ENETRESET;
2129 }
2130 return 0;
2131}
2132
2133/*
2134 * Application Information Element support.
2135 */
2136static int
2137setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2138{
2139 struct ieee80211_appie *app = *aie;
2140 struct ieee80211_appie *napp;
2141 int error;
2142
2143 if (ireq->i_len == 0) { /* delete any existing ie */
2144 if (app != NULL) {
2145 *aie = NULL; /* XXX racey */
2146 free(app, M_80211_NODE_IE);
2147 }
2148 return 0;
2149 }
2150 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2151 return EINVAL;
2152 /*
2153 * Allocate a new appie structure and copy in the user data.
2154 * When done swap in the new structure. Note that we do not
2155 * guard against users holding a ref to the old structure;
2156 * this must be handled outside this code.
2157 *
2158 * XXX bad bad bad
2159 */
2160 napp = (struct ieee80211_appie *) malloc(
2161 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_NOWAIT);
2162 if (napp == NULL)
2163 return ENOMEM;
2164 /* XXX holding ic lock */
2165 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2166 if (error) {
2167 free(napp, M_80211_NODE_IE);
2168 return error;
2169 }
2170 napp->ie_len = ireq->i_len;
2171 *aie = napp;
2172 if (app != NULL)
2173 free(app, M_80211_NODE_IE);
2174 return 0;
2175}
2176
2177static void
2178setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2179{
2180 /* validate data is present as best we can */
2181 if (space == 0 || 2+ie[1] > space)
2182 return;
2183 if (ie[0] == IEEE80211_ELEMID_VENDOR)
2184 vap->iv_wpa_ie = ie;
2185 else if (ie[0] == IEEE80211_ELEMID_RSN)
2186 vap->iv_rsn_ie = ie;
2187}
2188
2189static __noinline int
2190ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2191 const struct ieee80211req *ireq, int fc0)
2192{
2193 int error;
2194
2195 IEEE80211_LOCK_ASSERT(vap->iv_ic);
2196
2197 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2198 case IEEE80211_FC0_SUBTYPE_BEACON:
2199 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2200 vap->iv_opmode != IEEE80211_M_IBSS) {
2201 error = EINVAL;
2202 break;
2203 }
2204 error = setappie(&vap->iv_appie_beacon, ireq);
2205 if (error == 0)
2206 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2207 break;
2208 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2209 error = setappie(&vap->iv_appie_proberesp, ireq);
2210 break;
2211 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2212 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2213 error = setappie(&vap->iv_appie_assocresp, ireq);
2214 else
2215 error = EINVAL;
2216 break;
2217 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2218 error = setappie(&vap->iv_appie_probereq, ireq);
2219 break;
2220 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2221 if (vap->iv_opmode == IEEE80211_M_STA)
2222 error = setappie(&vap->iv_appie_assocreq, ireq);
2223 else
2224 error = EINVAL;
2225 break;
2226 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2227 error = setappie(&vap->iv_appie_wpa, ireq);
2228 if (error == 0) {
2229 /*
2230 * Must split single blob of data into separate
2231 * WPA and RSN ie's because they go in different
2232 * locations in the mgt frames.
2233 * XXX use IEEE80211_IOC_WPA2 so user code does split
2234 */
2235 vap->iv_wpa_ie = NULL;
2236 vap->iv_rsn_ie = NULL;
2237 if (vap->iv_appie_wpa != NULL) {
2238 struct ieee80211_appie *appie =
2239 vap->iv_appie_wpa;
2240 uint8_t *data = appie->ie_data;
2241
2242 /* XXX ie length validate is painful, cheat */
2243 setwparsnie(vap, data, appie->ie_len);
2244 setwparsnie(vap, data + 2 + data[1],
2245 appie->ie_len - (2 + data[1]));
2246 }
2247 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2248 vap->iv_opmode == IEEE80211_M_IBSS) {
2249 /*
2250 * Must rebuild beacon frame as the update
2251 * mechanism doesn't handle WPA/RSN ie's.
2252 * Could extend it but it doesn't normally
2253 * change; this is just to deal with hostapd
2254 * plumbing the ie after the interface is up.
2255 */
2256 error = ENETRESET;
2257 }
2258 }
2259 break;
2260 default:
2261 error = EINVAL;
2262 break;
2263 }
2264 return error;
2265}
2266
2267static __noinline int
2268ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2269 const struct ieee80211req *ireq)
2270{
2271 struct ieee80211com *ic = vap->iv_ic;
2272 int error;
2273 uint8_t fc0;
2274
2275 fc0 = ireq->i_val & 0xff;
2276 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2277 return EINVAL;
2278 /* NB: could check iv_opmode and reject but hardly worth the effort */
2279 IEEE80211_LOCK(ic);
2280 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2281 IEEE80211_UNLOCK(ic);
2282 return error;
2283}
2284
2285static __noinline int
2286ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2287{
2288 struct ieee80211com *ic = vap->iv_ic;
2289 struct ieee80211_chanswitch_req csr;
2290 struct ieee80211_channel *c;
2291 int error;
2292
2293 if (ireq->i_len != sizeof(csr))
2294 return EINVAL;
2295 error = copyin(ireq->i_data, &csr, sizeof(csr));
2296 if (error != 0)
2297 return error;
2298 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
2299 return EINVAL;
2300 c = ieee80211_find_channel(ic,
2301 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2302 if (c == NULL)
2303 return ENOENT;
2304 IEEE80211_LOCK(ic);
2305 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2306 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2307 else
2308 error = EBUSY;
2309 IEEE80211_UNLOCK(ic);
2310 return error;
2311}
2312
2313static __noinline int
2314ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2315{
2316#define IEEE80211_IOC_SCAN_FLAGS \
2317 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2318 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2319 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2320 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2321 IEEE80211_IOC_SCAN_CHECK)
2322 struct ieee80211com *ic = vap->iv_ic;
2323 struct ieee80211_scan_req sr; /* XXX off stack? */
2324 int error, i;
2325
2326 /* NB: parent must be running */
2327 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
2328 return ENXIO;
2329
2330 if (ireq->i_len != sizeof(sr))
2331 return EINVAL;
2332 error = copyin(ireq->i_data, &sr, sizeof(sr));
2333 if (error != 0)
2334 return error;
2335 /* convert duration */
2336 if (sr.sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2337 sr.sr_duration = IEEE80211_SCAN_FOREVER;
2338 else {
2339 if (sr.sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2340 sr.sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2341 return EINVAL;
2342 sr.sr_duration = msecs_to_ticks(sr.sr_duration);
2343 if (sr.sr_duration < 1)
2344 sr.sr_duration = 1;
2345 }
2346 /* convert min/max channel dwell */
2347 if (sr.sr_mindwell != 0) {
2348 sr.sr_mindwell = msecs_to_ticks(sr.sr_mindwell);
2349 if (sr.sr_mindwell < 1)
2350 sr.sr_mindwell = 1;
2351 }
2352 if (sr.sr_maxdwell != 0) {
2353 sr.sr_maxdwell = msecs_to_ticks(sr.sr_maxdwell);
2354 if (sr.sr_maxdwell < 1)
2355 sr.sr_maxdwell = 1;
2356 }
2357 /* NB: silently reduce ssid count to what is supported */
2358 if (sr.sr_nssid > IEEE80211_SCAN_MAX_SSID)
2359 sr.sr_nssid = IEEE80211_SCAN_MAX_SSID;
2360 for (i = 0; i < sr.sr_nssid; i++)
2361 if (sr.sr_ssid[i].len > IEEE80211_NWID_LEN)
2362 return EINVAL;
2363 /* cleanse flags just in case, could reject if invalid flags */
2364 sr.sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2365 /*
2366 * Add an implicit NOPICK if the vap is not marked UP. This
2367 * allows applications to scan without joining a bss (or picking
2368 * a channel and setting up a bss) and without forcing manual
2369 * roaming mode--you just need to mark the parent device UP.
2370 */
2371 if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2372 sr.sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2373
2374 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2375 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2376 __func__, sr.sr_flags,
2377 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2378 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, sr.sr_nssid);
2379 /*
2380 * If we are in INIT state then the driver has never had a chance
2381 * to setup hardware state to do a scan; we must use the state
2382 * machine to get us up to the SCAN state but once we reach SCAN
2383 * state we then want to use the supplied params. Stash the
2384 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2385 * state machines will recognize this and use the stashed params
2386 * to issue the scan request.
2387 *
2388 * Otherwise just invoke the scan machinery directly.
2389 */
2390 IEEE80211_LOCK(ic);
2391 if (vap->iv_state == IEEE80211_S_INIT) {
2392 /* NB: clobbers previous settings */
2393 vap->iv_scanreq_flags = sr.sr_flags;
2394 vap->iv_scanreq_duration = sr.sr_duration;
2395 vap->iv_scanreq_nssid = sr.sr_nssid;
2396 for (i = 0; i < sr.sr_nssid; i++) {
2397 vap->iv_scanreq_ssid[i].len = sr.sr_ssid[i].len;
2398 memcpy(vap->iv_scanreq_ssid[i].ssid, sr.sr_ssid[i].ssid,
2399 sr.sr_ssid[i].len);
2400 }
2401 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2402 IEEE80211_UNLOCK(ic);
2403 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2404 } else {
2405 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2406 IEEE80211_UNLOCK(ic);
2407 /* XXX neeed error return codes */
2408 if (sr.sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2409 (void) ieee80211_check_scan(vap, sr.sr_flags,
2410 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell,
2411 sr.sr_nssid,
2412 /* NB: cheat, we assume structures are compatible */
2413 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]);
2414 } else {
2415 (void) ieee80211_start_scan(vap, sr.sr_flags,
2416 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell,
2417 sr.sr_nssid,
2418 /* NB: cheat, we assume structures are compatible */
2419 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]);
2420 }
2421 }
2422 return error;
2423#undef IEEE80211_IOC_SCAN_FLAGS
2424}
2425
2426static __noinline int
2427ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2428{
2429 struct ieee80211_node *ni;
2430 struct ieee80211req_sta_vlan vlan;
2431 int error;
2432
2433 if (ireq->i_len != sizeof(vlan))
2434 return EINVAL;
2435 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2436 if (error != 0)
2437 return error;
2438 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2439 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2440 vlan.sv_macaddr);
2441 if (ni == NULL)
2442 return ENOENT;
2443 } else
2444 ni = ieee80211_ref_node(vap->iv_bss);
2445 ni->ni_vlan = vlan.sv_vlan;
2446 ieee80211_free_node(ni);
2447 return error;
2448}
2449
2450static int
2451isvap11g(const struct ieee80211vap *vap)
2452{
2453 const struct ieee80211_node *bss = vap->iv_bss;
2454 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2455 IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2456}
2457
2458static int
2459isvapht(const struct ieee80211vap *vap)
2460{
2461 const struct ieee80211_node *bss = vap->iv_bss;
2462 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2463 IEEE80211_IS_CHAN_HT(bss->ni_chan);
2464}
2465
2466static __noinline int
2467ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2468{
2469 struct ieee80211com *ic = vap->iv_ic;
2470 int error;
2471 const struct ieee80211_authenticator *auth;
2472 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2473 char tmpssid[IEEE80211_NWID_LEN];
2474 uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2475 struct ieee80211_key *k;
2476 u_int kid;
2477 uint32_t flags;
2478
2479 error = 0;
2480 switch (ireq->i_type) {
2481 case IEEE80211_IOC_SSID:
2482 if (ireq->i_val != 0 ||
2483 ireq->i_len > IEEE80211_NWID_LEN)
2484 return EINVAL;
2485 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2486 if (error)
2487 break;
2488 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2489 vap->iv_des_ssid[0].len = ireq->i_len;
2490 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2491 vap->iv_des_nssid = (ireq->i_len > 0);
2492 error = ENETRESET;
2493 break;
2494 case IEEE80211_IOC_WEP:
2495 switch (ireq->i_val) {
2496 case IEEE80211_WEP_OFF:
2497 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2498 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2499 break;
2500 case IEEE80211_WEP_ON:
2501 vap->iv_flags |= IEEE80211_F_PRIVACY;
2502 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2503 break;
2504 case IEEE80211_WEP_MIXED:
2505 vap->iv_flags |= IEEE80211_F_PRIVACY;
2506 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2507 break;
2508 }
2509 error = ENETRESET;
2510 break;
2511 case IEEE80211_IOC_WEPKEY:
2512 kid = (u_int) ireq->i_val;
2513 if (kid >= IEEE80211_WEP_NKID)
2514 return EINVAL;
2515 k = &vap->iv_nw_keys[kid];
2516 if (ireq->i_len == 0) {
2517 /* zero-len =>'s delete any existing key */
2518 (void) ieee80211_crypto_delkey(vap, k);
2519 break;
2520 }
2521 if (ireq->i_len > sizeof(tmpkey))
2522 return EINVAL;
2523 memset(tmpkey, 0, sizeof(tmpkey));
2524 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2525 if (error)
2526 break;
2527 ieee80211_key_update_begin(vap);
2528 k->wk_keyix = kid; /* NB: force fixed key id */
2529 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2530 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2531 k->wk_keylen = ireq->i_len;
2532 memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2533 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2534 if (!ieee80211_crypto_setkey(vap, k))
2535 error = EINVAL;
2536 } else
2537 error = EINVAL;
2538 ieee80211_key_update_end(vap);
2539 break;
2540 case IEEE80211_IOC_WEPTXKEY:
2541 kid = (u_int) ireq->i_val;
2542 if (kid >= IEEE80211_WEP_NKID &&
2543 (uint16_t) kid != IEEE80211_KEYIX_NONE)
2544 return EINVAL;
2545 vap->iv_def_txkey = kid;
2546 break;
2547 case IEEE80211_IOC_AUTHMODE:
2548 switch (ireq->i_val) {
2549 case IEEE80211_AUTH_WPA:
2550 case IEEE80211_AUTH_8021X: /* 802.1x */
2551 case IEEE80211_AUTH_OPEN: /* open */
2552 case IEEE80211_AUTH_SHARED: /* shared-key */
2553 case IEEE80211_AUTH_AUTO: /* auto */
2554 auth = ieee80211_authenticator_get(ireq->i_val);
2555 if (auth == NULL)
2556 return EINVAL;
2557 break;
2558 default:
2559 return EINVAL;
2560 }
2561 switch (ireq->i_val) {
2562 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
2563 vap->iv_flags |= IEEE80211_F_PRIVACY;
2564 ireq->i_val = IEEE80211_AUTH_8021X;
2565 break;
2566 case IEEE80211_AUTH_OPEN: /* open */
2567 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2568 break;
2569 case IEEE80211_AUTH_SHARED: /* shared-key */
2570 case IEEE80211_AUTH_8021X: /* 802.1x */
2571 vap->iv_flags &= ~IEEE80211_F_WPA;
2572 /* both require a key so mark the PRIVACY capability */
2573 vap->iv_flags |= IEEE80211_F_PRIVACY;
2574 break;
2575 case IEEE80211_AUTH_AUTO: /* auto */
2576 vap->iv_flags &= ~IEEE80211_F_WPA;
2577 /* XXX PRIVACY handling? */
2578 /* XXX what's the right way to do this? */
2579 break;
2580 }
2581 /* NB: authenticator attach/detach happens on state change */
2582 vap->iv_bss->ni_authmode = ireq->i_val;
2583 /* XXX mixed/mode/usage? */
2584 vap->iv_auth = auth;
2585 error = ENETRESET;
2586 break;
2587 case IEEE80211_IOC_CHANNEL:
2588 error = ieee80211_ioctl_setchannel(vap, ireq);
2589 break;
2590 case IEEE80211_IOC_POWERSAVE:
2591 switch (ireq->i_val) {
2592 case IEEE80211_POWERSAVE_OFF:
2593 if (vap->iv_flags & IEEE80211_F_PMGTON) {
2594 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2595 error = ERESTART;
2596 }
2597 break;
2598 case IEEE80211_POWERSAVE_ON:
2599 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2600 error = EOPNOTSUPP;
2601 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2602 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2603 error = ERESTART;
2604 }
2605 break;
2606 default:
2607 error = EINVAL;
2608 break;
2609 }
2610 break;
2611 case IEEE80211_IOC_POWERSAVESLEEP:
2612 if (ireq->i_val < 0)
2613 return EINVAL;
2614 ic->ic_lintval = ireq->i_val;
2615 error = ERESTART;
2616 break;
2617 case IEEE80211_IOC_RTSTHRESHOLD:
2618 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2619 ireq->i_val <= IEEE80211_RTS_MAX))
2620 return EINVAL;
2621 vap->iv_rtsthreshold = ireq->i_val;
2622 error = ERESTART;
2623 break;
2624 case IEEE80211_IOC_PROTMODE:
2625 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2626 return EINVAL;
2627 ic->ic_protmode = ireq->i_val;
2628 /* NB: if not operating in 11g this can wait */
2629 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2630 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2631 error = ERESTART;
2632 break;
2633 case IEEE80211_IOC_TXPOWER:
2634 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2635 return EOPNOTSUPP;
2636 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2637 ireq->i_val <= IEEE80211_TXPOWER_MAX))
2638 return EINVAL;
2639 ic->ic_txpowlimit = ireq->i_val;
2640 error = ERESTART;
2641 break;
2642 case IEEE80211_IOC_ROAMING:
2643 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2644 ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2645 return EINVAL;
2646 vap->iv_roaming = ireq->i_val;
2647 /* XXXX reset? */
2648 break;
2649 case IEEE80211_IOC_PRIVACY:
2650 if (ireq->i_val) {
2651 /* XXX check for key state? */
2652 vap->iv_flags |= IEEE80211_F_PRIVACY;
2653 } else
2654 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2655 /* XXX ERESTART? */
2656 break;
2657 case IEEE80211_IOC_DROPUNENCRYPTED:
2658 if (ireq->i_val)
2659 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2660 else
2661 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2662 /* XXX ERESTART? */
2663 break;
2664 case IEEE80211_IOC_WPAKEY:
2665 error = ieee80211_ioctl_setkey(vap, ireq);
2666 break;
2667 case IEEE80211_IOC_DELKEY:
2668 error = ieee80211_ioctl_delkey(vap, ireq);
2669 break;
2670 case IEEE80211_IOC_MLME:
2671 error = ieee80211_ioctl_setmlme(vap, ireq);
2672 break;
2673 case IEEE80211_IOC_COUNTERMEASURES:
2674 if (ireq->i_val) {
2675 if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2676 return EOPNOTSUPP;
2677 vap->iv_flags |= IEEE80211_F_COUNTERM;
2678 } else
2679 vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2680 /* XXX ERESTART? */
2681 break;
2682 case IEEE80211_IOC_WPA:
2683 if (ireq->i_val > 3)
2684 return EINVAL;
2685 /* XXX verify ciphers available */
2686 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2687 switch (ireq->i_val) {
2688 case 1:
2689 if (!(vap->iv_caps & IEEE80211_C_WPA1))
2690 return EOPNOTSUPP;
2691 flags |= IEEE80211_F_WPA1;
2692 break;
2693 case 2:
2694 if (!(vap->iv_caps & IEEE80211_C_WPA2))
2695 return EOPNOTSUPP;
2696 flags |= IEEE80211_F_WPA2;
2697 break;
2698 case 3:
2699 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2700 return EOPNOTSUPP;
2701 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2702 break;
2703 default: /* Can't set any -> error */
2704 return EOPNOTSUPP;
2705 }
2706 vap->iv_flags = flags;
2707 error = ERESTART; /* NB: can change beacon frame */
2708 break;
2709 case IEEE80211_IOC_WME:
2710 if (ireq->i_val) {
2711 if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2712 return EOPNOTSUPP;
2713 ieee80211_syncflag(vap, IEEE80211_F_WME);
2714 } else
2715 ieee80211_syncflag(vap, -IEEE80211_F_WME);
2716 error = ERESTART; /* NB: can change beacon frame */
2717 break;
2718 case IEEE80211_IOC_HIDESSID:
2719 if (ireq->i_val)
2720 vap->iv_flags |= IEEE80211_F_HIDESSID;
2721 else
2722 vap->iv_flags &= ~IEEE80211_F_HIDESSID;
2723 error = ERESTART; /* XXX ENETRESET? */
2724 break;
2725 case IEEE80211_IOC_APBRIDGE:
2726 if (ireq->i_val == 0)
2727 vap->iv_flags |= IEEE80211_F_NOBRIDGE;
2728 else
2729 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
2730 break;
2731 case IEEE80211_IOC_BSSID:
2732 if (ireq->i_len != sizeof(tmpbssid))
2733 return EINVAL;
2734 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2735 if (error)
2736 break;
2737 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
2738 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
2739 vap->iv_flags &= ~IEEE80211_F_DESBSSID;
2740 else
2741 vap->iv_flags |= IEEE80211_F_DESBSSID;
2742 error = ENETRESET;
2743 break;
2744 case IEEE80211_IOC_CHANLIST:
2745 error = ieee80211_ioctl_setchanlist(vap, ireq);
2746 break;
2747#define OLD_IEEE80211_IOC_SCAN_REQ 23
2748#ifdef OLD_IEEE80211_IOC_SCAN_REQ
2749 case OLD_IEEE80211_IOC_SCAN_REQ:
2750 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2751 "%s: active scan request\n", __func__);
2752 /*
2753 * If we are in INIT state then the driver has never
2754 * had a chance to setup hardware state to do a scan;
2755 * use the state machine to get us up the SCAN state.
2756 * Otherwise just invoke the scan machinery to start
2757 * a one-time scan.
2758 */
2759 if (vap->iv_state == IEEE80211_S_INIT)
2760 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2761 else
2762 (void) ieee80211_start_scan(vap,
2763 IEEE80211_SCAN_ACTIVE |
2764 IEEE80211_SCAN_NOPICK |
2765 IEEE80211_SCAN_ONCE,
2766 IEEE80211_SCAN_FOREVER, 0, 0,
2767 /* XXX use ioctl params */
2768 vap->iv_des_nssid, vap->iv_des_ssid);
2769 break;
2770#endif /* OLD_IEEE80211_IOC_SCAN_REQ */
2771 case IEEE80211_IOC_SCAN_REQ:
2772 error = ieee80211_ioctl_scanreq(vap, ireq);
2773 break;
2774 case IEEE80211_IOC_SCAN_CANCEL:
2775 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2776 "%s: cancel scan\n", __func__);
2777 ieee80211_cancel_scan(vap);
2778 break;
2779 case IEEE80211_IOC_HTCONF:
2780 if (ireq->i_val & 1)
2781 ieee80211_syncflag_ext(vap, IEEE80211_FEXT_HT);
2782 else
2783 ieee80211_syncflag_ext(vap, -IEEE80211_FEXT_HT);
2784 if (ireq->i_val & 2)
2785 ieee80211_syncflag_ext(vap, IEEE80211_FEXT_USEHT40);
2786 else
2787 ieee80211_syncflag_ext(vap, -IEEE80211_FEXT_USEHT40);
2788 error = ENETRESET;
2789 break;
2790 case IEEE80211_IOC_ADDMAC:
2791 case IEEE80211_IOC_DELMAC:
2792 error = ieee80211_ioctl_macmac(vap, ireq);
2793 break;
2794 case IEEE80211_IOC_MACCMD:
2795 error = ieee80211_ioctl_setmaccmd(vap, ireq);
2796 break;
2797 case IEEE80211_IOC_STA_STATS:
2798 error = ieee80211_ioctl_setstastats(vap, ireq);
2799 break;
2800 case IEEE80211_IOC_STA_TXPOW:
2801 error = ieee80211_ioctl_setstatxpow(vap, ireq);
2802 break;
2803 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
2804 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
2805 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
2806 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
2807 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
2808 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
2809 error = ieee80211_ioctl_setwmeparam(vap, ireq);
2810 break;
2811 case IEEE80211_IOC_DTIM_PERIOD:
2812 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2813 vap->iv_opmode != IEEE80211_M_IBSS)
2814 return EINVAL;
2815 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
2816 ireq->i_val <= IEEE80211_DTIM_MAX) {
2817 vap->iv_dtim_period = ireq->i_val;
2818 error = ENETRESET; /* requires restart */
2819 } else
2820 error = EINVAL;
2821 break;
2822 case IEEE80211_IOC_BEACON_INTERVAL:
2823 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2824 vap->iv_opmode != IEEE80211_M_IBSS)
2825 return EINVAL;
2826 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
2827 ireq->i_val <= IEEE80211_BINTVAL_MAX) {
2828 ic->ic_bintval = ireq->i_val;
2829 error = ENETRESET; /* requires restart */
2830 } else
2831 error = EINVAL;
2832 break;
2833 case IEEE80211_IOC_PUREG:
2834 if (ireq->i_val)
2835 vap->iv_flags |= IEEE80211_F_PUREG;
2836 else
2837 vap->iv_flags &= ~IEEE80211_F_PUREG;
2838 /* NB: reset only if we're operating on an 11g channel */
2839 if (isvap11g(vap))
2840 error = ENETRESET;
2841 break;
2842 case IEEE80211_IOC_FF:
2843 if (ireq->i_val) {
2844 if ((vap->iv_caps & IEEE80211_C_FF) == 0)
2845 return EOPNOTSUPP;
2846 vap->iv_flags |= IEEE80211_F_FF;
2847 } else
2848 vap->iv_flags &= ~IEEE80211_F_FF;
2849 error = ERESTART;
2850 break;
2851 case IEEE80211_IOC_TURBOP:
2852 if (ireq->i_val) {
2853 if ((vap->iv_caps & IEEE80211_C_TURBOP) == 0)
2854 return EOPNOTSUPP;
2855 vap->iv_flags |= IEEE80211_F_TURBOP;
2856 } else
2857 vap->iv_flags &= ~IEEE80211_F_TURBOP;
2858 error = ENETRESET;
2859 break;
2860 case IEEE80211_IOC_BGSCAN:
2861 if (ireq->i_val) {
2862 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
2863 return EOPNOTSUPP;
2864 vap->iv_flags |= IEEE80211_F_BGSCAN;
2865 } else
2866 vap->iv_flags &= ~IEEE80211_F_BGSCAN;
2867 break;
2868 case IEEE80211_IOC_BGSCAN_IDLE:
2869 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
2870 vap->iv_bgscanidle = ireq->i_val*hz/1000;
2871 else
2872 error = EINVAL;
2873 break;
2874 case IEEE80211_IOC_BGSCAN_INTERVAL:
2875 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
2876 vap->iv_bgscanintvl = ireq->i_val*hz;
2877 else
2878 error = EINVAL;
2879 break;
2880 case IEEE80211_IOC_SCANVALID:
2881 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
2882 vap->iv_scanvalid = ireq->i_val*hz;
2883 else
2884 error = EINVAL;
2885 break;
2886 case IEEE80211_IOC_FRAGTHRESHOLD:
2887 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
2888 ireq->i_val != IEEE80211_FRAG_MAX)
2889 return EOPNOTSUPP;
2890 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
2891 ireq->i_val <= IEEE80211_FRAG_MAX))
2892 return EINVAL;
2893 vap->iv_fragthreshold = ireq->i_val;
2894 error = ERESTART;
2895 break;
2896 case IEEE80211_IOC_BURST:
2897 if (ireq->i_val) {
2898 if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
2899 return EOPNOTSUPP;
2900 ieee80211_syncflag(vap, IEEE80211_F_BURST);
2901 } else
2902 ieee80211_syncflag(vap, -IEEE80211_F_BURST);
2903 error = ERESTART;
2904 break;
2905 case IEEE80211_IOC_BMISSTHRESHOLD:
2906 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
2907 ireq->i_val <= IEEE80211_HWBMISS_MAX))
2908 return EINVAL;
2909 vap->iv_bmissthreshold = ireq->i_val;
2910 error = ERESTART;
2911 break;
2912 case IEEE80211_IOC_CURCHAN:
2913 error = ieee80211_ioctl_setcurchan(vap, ireq);
2914 break;
2915 case IEEE80211_IOC_SHORTGI:
2916 if (ireq->i_val) {
2917#define IEEE80211_HTCAP_SHORTGI \
2918 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
2919 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
2920 return EINVAL;
2921 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
2922 vap->iv_flags_ext |= IEEE80211_FEXT_SHORTGI20;
2923 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
2924 vap->iv_flags_ext |= IEEE80211_FEXT_SHORTGI40;
2925#undef IEEE80211_HTCAP_SHORTGI
2926 } else
2927 vap->iv_flags_ext &=
2928 ~(IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40);
2929 error = ERESTART;
2930 break;
2931 case IEEE80211_IOC_AMPDU:
2932 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
2933 return EINVAL;
2934 if (ireq->i_val & 1)
2935 vap->iv_flags_ext |= IEEE80211_FEXT_AMPDU_TX;
2936 else
2937 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMPDU_TX;
2938 if (ireq->i_val & 2)
2939 vap->iv_flags_ext |= IEEE80211_FEXT_AMPDU_RX;
2940 else
2941 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMPDU_RX;
2942 /* NB: reset only if we're operating on an 11n channel */
2943 if (isvapht(vap))
2944 error = ERESTART;
2945 break;
2946 case IEEE80211_IOC_AMPDU_LIMIT:
2947 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
2948 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
2949 return EINVAL;
2950 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2951 vap->iv_ampdu_rxmax = ireq->i_val;
2952 else
2953 vap->iv_ampdu_limit = ireq->i_val;
2954 error = ERESTART;
2955 break;
2956 case IEEE80211_IOC_AMPDU_DENSITY:
2957 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
2958 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
2959 return EINVAL;
2960 vap->iv_ampdu_density = ireq->i_val;
2961 error = ERESTART;
2962 break;
2963 case IEEE80211_IOC_AMSDU:
2964 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
2965 return EINVAL;
2966 if (ireq->i_val & 1)
2967 vap->iv_flags_ext |= IEEE80211_FEXT_AMSDU_TX;
2968 else
2969 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMSDU_TX;
2970 if (ireq->i_val & 2)
2971 vap->iv_flags_ext |= IEEE80211_FEXT_AMSDU_RX;
2972 else
2973 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMSDU_RX;
2974 /* NB: reset only if we're operating on an 11n channel */
2975 if (isvapht(vap))
2976 error = ERESTART;
2977 break;
2978 case IEEE80211_IOC_AMSDU_LIMIT:
2979 /* XXX validate */
2980 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */
2981 break;
2982 case IEEE80211_IOC_PUREN:
2983 if (ireq->i_val) {
2984 if ((vap->iv_flags_ext & IEEE80211_FEXT_HT) == 0)
2985 return EINVAL;
2986 vap->iv_flags_ext |= IEEE80211_FEXT_PUREN;
2987 } else
2988 vap->iv_flags_ext &= ~IEEE80211_FEXT_PUREN;
2989 /* NB: reset only if we're operating on an 11n channel */
2990 if (isvapht(vap))
2991 error = ERESTART;
2992 break;
2993 case IEEE80211_IOC_DOTH:
2994 if (ireq->i_val) {
2995#if 0
2996 /* XXX no capability */
2997 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
2998 return EOPNOTSUPP;
2999#endif
3000 vap->iv_flags |= IEEE80211_F_DOTH;
3001 } else
3002 vap->iv_flags &= ~IEEE80211_F_DOTH;
3003 error = ENETRESET;
3004 break;
3005 case IEEE80211_IOC_REGDOMAIN:
3006 error = ieee80211_ioctl_setregdomain(vap, ireq);
3007 break;
3008 case IEEE80211_IOC_ROAM:
3009 error = ieee80211_ioctl_setroam(vap, ireq);
3010 break;
3011 case IEEE80211_IOC_TXPARAMS:
3012 error = ieee80211_ioctl_settxparams(vap, ireq);
3013 break;
3014 case IEEE80211_IOC_HTCOMPAT:
3015 if (ireq->i_val) {
3016 if ((vap->iv_flags_ext & IEEE80211_FEXT_HT) == 0)
3017 return EOPNOTSUPP;
3018 vap->iv_flags_ext |= IEEE80211_FEXT_HTCOMPAT;
3019 } else
3020 vap->iv_flags_ext &= ~IEEE80211_FEXT_HTCOMPAT;
3021 /* NB: reset only if we're operating on an 11n channel */
3022 if (isvapht(vap))
3023 error = ERESTART;
3024 break;
3025 case IEEE80211_IOC_DWDS:
3026 if (ireq->i_val) {
3027 /* NB: DWDS only makes sense for WDS-capable devices */
3028 if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3029 return EOPNOTSUPP;
3030 /* NB: DWDS is used only with ap+sta vaps */
3031 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3032 vap->iv_opmode != IEEE80211_M_STA)
3033 return EINVAL;
3034 vap->iv_flags |= IEEE80211_F_DWDS;
3035 } else
3036 vap->iv_flags &= ~IEEE80211_F_DWDS;
3037 break;
3038 case IEEE80211_IOC_INACTIVITY:
3039 if (ireq->i_val)
3040 vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3041 else
3042 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3043 break;
3044 case IEEE80211_IOC_APPIE:
3045 error = ieee80211_ioctl_setappie(vap, ireq);
3046 break;
3047 case IEEE80211_IOC_WPS:
3048 if (ireq->i_val) {
3049 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3050 return EOPNOTSUPP;
3051 vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3052 } else
3053 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3054 break;
3055 case IEEE80211_IOC_TSN:
3056 if (ireq->i_val) {
3057 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3058 return EOPNOTSUPP;
3059 vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3060 } else
3061 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3062 break;
3063 case IEEE80211_IOC_CHANSWITCH:
3064 error = ieee80211_ioctl_chanswitch(vap, ireq);
3065 break;
3066 case IEEE80211_IOC_DFS:
3067 if (ireq->i_val) {
3068 if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3069 return EOPNOTSUPP;
3070 /* NB: DFS requires 11h support */
3071 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3072 return EINVAL;
3073 vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3074 } else
3075 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3076 break;
3077 case IEEE80211_IOC_DOTD:
3078 if (ireq->i_val)
3079 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3080 else
3081 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3082 if (vap->iv_opmode == IEEE80211_M_STA)
3083 error = ENETRESET;
3084 break;
3085 case IEEE80211_IOC_HTPROTMODE:
3086 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3087 return EINVAL;
3088 ic->ic_htprotmode = ireq->i_val ?
3089 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3090 /* NB: if not operating in 11n this can wait */
3091 if (isvapht(vap))
3092 error = ERESTART;
3093 break;
3094 case IEEE80211_IOC_STA_VLAN:
3095 error = ieee80211_ioctl_setstavlan(vap, ireq);
3096 break;
3097 case IEEE80211_IOC_SMPS:
3098 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3099 ireq->i_val == 0x0008) /* value of 2 is reserved */
3100 return EINVAL;
3101 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3102 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3103 return EOPNOTSUPP;
3104 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3105 ireq->i_val;
3106 /* NB: if not operating in 11n this can wait */
3107 if (isvapht(vap))
3108 error = ERESTART;
3109 break;
3110 case IEEE80211_IOC_RIFS:
3111 if (ireq->i_val != 0) {
3112 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3113 return EOPNOTSUPP;
3114 vap->iv_flags_ext |= IEEE80211_FEXT_RIFS;
3115 } else
3116 vap->iv_flags_ext &= ~IEEE80211_FEXT_RIFS;
3117 /* NB: if not operating in 11n this can wait */
3118 if (isvapht(vap))
3119 error = ERESTART;
3120 break;
3121#ifdef IEEE80211_SUPPORT_TDMA
3122 case IEEE80211_IOC_TDMA_SLOT:
3123 case IEEE80211_IOC_TDMA_SLOTCNT:
3124 case IEEE80211_IOC_TDMA_SLOTLEN:
3125 case IEEE80211_IOC_TDMA_BINTERVAL:
3126 error = ieee80211_tdma_ioctl_set80211(vap, ireq);
3127 break;
3128#endif
3129 default:
3130 error = EINVAL;
3131 break;
3132 }
3133 /*
3134 * The convention is that ENETRESET means an operation
3135 * requires a complete re-initialization of the device (e.g.
3136 * changing something that affects the association state).
3137 * ERESTART means the request may be handled with only a
3138 * reload of the hardware state. We hand ERESTART requests
3139 * to the iv_reset callback so the driver can decide. If
3140 * a device does not fillin iv_reset then it defaults to one
3141 * that returns ENETRESET. Otherwise a driver may return
3142 * ENETRESET (in which case a full reset will be done) or
3143 * 0 to mean there's no need to do anything (e.g. when the
3144 * change has no effect on the driver/device).
3145 */
3146 if (error == ERESTART)
3147 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3148 vap->iv_reset(vap, ireq->i_type) : 0;
3149 if (error == ENETRESET) {
3150 /* XXX need to re-think AUTO handling */
3151 if (IS_UP_AUTO(vap))
3152 ieee80211_init(vap);
3153 error = 0;
3154 }
3155 return error;
3156}
3157
3158/*
3159 * Rebuild the parent's multicast address list after an add/del
3160 * of a multicast address for a vap. We have no way to tell
3161 * what happened above to optimize the work so we purge the entire
3162 * list and rebuild from scratch. This is way expensive.
3163 * Note also the half-baked workaround for if_addmulti calling
3164 * back to the parent device; there's no way to insert mcast
3165 * entries quietly and/or cheaply.
3166 */
3167static void
3168ieee80211_ioctl_updatemulti(struct ieee80211com *ic)
3169{
3170 struct ifnet *parent = ic->ic_ifp;
3171 struct ieee80211vap *vap;
3172 void *ioctl;
3173
3174 IEEE80211_LOCK(ic);
3175 if_purgemaddrs(parent);
3176 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */
3177 parent->if_ioctl = NULL;
3178 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
3179 struct ifnet *ifp = vap->iv_ifp;
3180 struct ifmultiaddr *ifma;
3181
3182 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
3183 (void) if_addmulti(parent, ifma->ifma_addr, NULL);
3184 }
3185 parent->if_ioctl = ioctl;
3186
3187 ic->ic_update_mcast(ic->ic_ifp);
3188 IEEE80211_UNLOCK(ic);
3189}
3190
3191int
3192ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3193{
3194 struct ieee80211vap *vap;
3195 struct ieee80211com *ic;
3196 int error = 0;
3197 struct ifreq *ifr;
3198 struct ifaddr *ifa; /* XXX */
3199
3200 vap = ifp->if_softc;
3201 if (vap == NULL) {
3202 /*
3203 * During detach we clear the backpointer in the softc
3204 * so any ioctl request through the ifnet that arrives
3205 * before teardown is ignored/rejected. In particular
3206 * this hack handles destroying a vap used by an app
3207 * like wpa_supplicant that will respond to the vap
3208 * being forced into INIT state by immediately trying
3209 * to force it back up. We can yank this hack if/when
3210 * we can destroy the ifnet before cleaning up vap state.
3211 */
3212 return ENXIO;
3213 }
3214 switch (cmd) {
3215 case SIOCSIFFLAGS:
3216 ic = vap->iv_ic;
3217 IEEE80211_LOCK(ic);
3218 ieee80211_syncifflag_locked(ic, IFF_PROMISC);
3219 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI);
3220 if (ifp->if_flags & IFF_UP) {
3221 /*
3222 * Bring ourself up unless we're already operational.
3223 * If we're the first vap and the parent is not up
3224 * then it will automatically be brought up as a
3225 * side-effect of bringing ourself up.
3226 */
3227 if (vap->iv_state == IEEE80211_S_INIT)
3228 ieee80211_start_locked(vap);
3229 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3230 /*
3231 * Stop ourself. If we are the last vap to be
3232 * marked down the parent will also be taken down.
3233 */
3234 ieee80211_stop_locked(vap);
3235 }
3236 IEEE80211_UNLOCK(ic);
3237 /* Wait for parent ioctl handler if it was queued */
3238 taskqueue_drain(taskqueue_thread, &ic->ic_parent_task);
3239 break;
3240 case SIOCADDMULTI:
3241 case SIOCDELMULTI:
3242 ieee80211_ioctl_updatemulti(vap->iv_ic);
3243 break;
3244 case SIOCSIFMEDIA:
3245 case SIOCGIFMEDIA:
3246 ifr = (struct ifreq *)data;
3247 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3248 break;
3249 case SIOCG80211:
3250 error = ieee80211_ioctl_get80211(vap, cmd,
3251 (struct ieee80211req *) data);
3252 break;
3253 case SIOCS80211:
3254 error = priv_check(curthread, PRIV_NET80211_MANAGE);
3255 if (error == 0)
3256 error = ieee80211_ioctl_set80211(vap, cmd,
3257 (struct ieee80211req *) data);
3258 break;
3259 case SIOCG80211STATS:
3260 ifr = (struct ifreq *)data;
3261 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats));
3262 break;
3263 case SIOCSIFMTU:
3264 ifr = (struct ifreq *)data;
3265 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3266 ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3267 error = EINVAL;
3268 else
3269 ifp->if_mtu = ifr->ifr_mtu;
3270 break;
3271 case SIOCSIFADDR:
3272 /*
3273 * XXX Handle this directly so we can supress if_init calls.
3274 * XXX This should be done in ether_ioctl but for the moment
3275 * XXX there are too many other parts of the system that
3276 * XXX set IFF_UP and so supress if_init being called when
3277 * XXX it should be.
3278 */
3279 ifa = (struct ifaddr *) data;
3280 switch (ifa->ifa_addr->sa_family) {
3281#ifdef INET
3282 case AF_INET:
3283 if ((ifp->if_flags & IFF_UP) == 0) {
3284 ifp->if_flags |= IFF_UP;
3285 ifp->if_init(ifp->if_softc);
3286 }
3287 arp_ifinit(ifp, ifa);
3288 break;
3289#endif
3290#ifdef IPX
3291 /*
3292 * XXX - This code is probably wrong,
3293 * but has been copied many times.
3294 */
3295 case AF_IPX: {
3296 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
3297
3298 if (ipx_nullhost(*ina))
3299 ina->x_host = *(union ipx_host *)
3300 IF_LLADDR(ifp);
3301 else
3302 bcopy((caddr_t) ina->x_host.c_host,
3303 (caddr_t) IF_LLADDR(ifp),
3304 ETHER_ADDR_LEN);
3305 /* fall thru... */
3306 }
3307#endif
3308 default:
3309 if ((ifp->if_flags & IFF_UP) == 0) {
3310 ifp->if_flags |= IFF_UP;
3311 ifp->if_init(ifp->if_softc);
3312 }
3313 break;
3314 }
3315 break;
3316 /* Pass NDIS ioctls up to the driver */
3317 case SIOCGDRVSPEC:
3318 case SIOCSDRVSPEC:
3319 case SIOCGPRIVATE_0: {
3320 struct ifnet *parent = vap->iv_ic->ic_ifp;
3321 error = parent->if_ioctl(parent, cmd, data);
3322 break;
3323 }
3324 default:
3325 error = ether_ioctl(ifp, cmd, data);
3326 break;
3327 }
3328 return error;
3329}
| 712 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
713 error = copyout(dc, ireq->i_data, sizeof(*dc));
714 free(dc, M_TEMP);
715 return error;
716}
717
718static __noinline int
719ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
720{
721 struct ieee80211_node *ni;
722 struct ieee80211req_sta_vlan vlan;
723 int error;
724
725 if (ireq->i_len != sizeof(vlan))
726 return EINVAL;
727 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
728 if (error != 0)
729 return error;
730 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
731 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
732 vlan.sv_macaddr);
733 if (ni == NULL)
734 return ENOENT;
735 } else
736 ni = ieee80211_ref_node(vap->iv_bss);
737 vlan.sv_vlan = ni->ni_vlan;
738 error = copyout(&vlan, ireq->i_data, sizeof(vlan));
739 ieee80211_free_node(ni);
740 return error;
741}
742
743/*
744 * When building the kernel with -O2 on the i386 architecture, gcc
745 * seems to want to inline this function into ieee80211_ioctl()
746 * (which is the only routine that calls it). When this happens,
747 * ieee80211_ioctl() ends up consuming an additional 2K of stack
748 * space. (Exactly why it needs so much is unclear.) The problem
749 * is that it's possible for ieee80211_ioctl() to invoke other
750 * routines (including driver init functions) which could then find
751 * themselves perilously close to exhausting the stack.
752 *
753 * To avoid this, we deliberately prevent gcc from inlining this
754 * routine. Another way to avoid this is to use less agressive
755 * optimization when compiling this file (i.e. -O instead of -O2)
756 * but special-casing the compilation of this one module in the
757 * build system would be awkward.
758 */
759static __noinline int
760ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
761 struct ieee80211req *ireq)
762{
763#define MS(_v, _f) (((_v) & _f) >> _f##_S)
764 struct ieee80211com *ic = vap->iv_ic;
765 u_int kid, len;
766 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
767 char tmpssid[IEEE80211_NWID_LEN];
768 int error = 0;
769
770 switch (ireq->i_type) {
771 case IEEE80211_IOC_SSID:
772 switch (vap->iv_state) {
773 case IEEE80211_S_INIT:
774 case IEEE80211_S_SCAN:
775 ireq->i_len = vap->iv_des_ssid[0].len;
776 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
777 break;
778 default:
779 ireq->i_len = vap->iv_bss->ni_esslen;
780 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
781 break;
782 }
783 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
784 break;
785 case IEEE80211_IOC_NUMSSIDS:
786 ireq->i_val = 1;
787 break;
788 case IEEE80211_IOC_WEP:
789 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
790 ireq->i_val = IEEE80211_WEP_OFF;
791 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
792 ireq->i_val = IEEE80211_WEP_ON;
793 else
794 ireq->i_val = IEEE80211_WEP_MIXED;
795 break;
796 case IEEE80211_IOC_WEPKEY:
797 kid = (u_int) ireq->i_val;
798 if (kid >= IEEE80211_WEP_NKID)
799 return EINVAL;
800 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
801 /* NB: only root can read WEP keys */
802 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
803 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
804 } else {
805 bzero(tmpkey, len);
806 }
807 ireq->i_len = len;
808 error = copyout(tmpkey, ireq->i_data, len);
809 break;
810 case IEEE80211_IOC_NUMWEPKEYS:
811 ireq->i_val = IEEE80211_WEP_NKID;
812 break;
813 case IEEE80211_IOC_WEPTXKEY:
814 ireq->i_val = vap->iv_def_txkey;
815 break;
816 case IEEE80211_IOC_AUTHMODE:
817 if (vap->iv_flags & IEEE80211_F_WPA)
818 ireq->i_val = IEEE80211_AUTH_WPA;
819 else
820 ireq->i_val = vap->iv_bss->ni_authmode;
821 break;
822 case IEEE80211_IOC_CHANNEL:
823 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
824 break;
825 case IEEE80211_IOC_POWERSAVE:
826 if (vap->iv_flags & IEEE80211_F_PMGTON)
827 ireq->i_val = IEEE80211_POWERSAVE_ON;
828 else
829 ireq->i_val = IEEE80211_POWERSAVE_OFF;
830 break;
831 case IEEE80211_IOC_POWERSAVESLEEP:
832 ireq->i_val = ic->ic_lintval;
833 break;
834 case IEEE80211_IOC_RTSTHRESHOLD:
835 ireq->i_val = vap->iv_rtsthreshold;
836 break;
837 case IEEE80211_IOC_PROTMODE:
838 ireq->i_val = ic->ic_protmode;
839 break;
840 case IEEE80211_IOC_TXPOWER:
841 /*
842 * Tx power limit is the min of max regulatory
843 * power, any user-set limit, and the max the
844 * radio can do.
845 */
846 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
847 if (ireq->i_val > ic->ic_txpowlimit)
848 ireq->i_val = ic->ic_txpowlimit;
849 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
850 ireq->i_val = ic->ic_curchan->ic_maxpower;
851 break;
852 case IEEE80211_IOC_WPA:
853 switch (vap->iv_flags & IEEE80211_F_WPA) {
854 case IEEE80211_F_WPA1:
855 ireq->i_val = 1;
856 break;
857 case IEEE80211_F_WPA2:
858 ireq->i_val = 2;
859 break;
860 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
861 ireq->i_val = 3;
862 break;
863 default:
864 ireq->i_val = 0;
865 break;
866 }
867 break;
868 case IEEE80211_IOC_CHANLIST:
869 error = ieee80211_ioctl_getchanlist(vap, ireq);
870 break;
871 case IEEE80211_IOC_ROAMING:
872 ireq->i_val = vap->iv_roaming;
873 break;
874 case IEEE80211_IOC_PRIVACY:
875 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
876 break;
877 case IEEE80211_IOC_DROPUNENCRYPTED:
878 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
879 break;
880 case IEEE80211_IOC_COUNTERMEASURES:
881 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
882 break;
883 case IEEE80211_IOC_WME:
884 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
885 break;
886 case IEEE80211_IOC_HIDESSID:
887 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
888 break;
889 case IEEE80211_IOC_APBRIDGE:
890 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
891 break;
892 case IEEE80211_IOC_WPAKEY:
893 error = ieee80211_ioctl_getkey(vap, ireq);
894 break;
895 case IEEE80211_IOC_CHANINFO:
896 error = ieee80211_ioctl_getchaninfo(vap, ireq);
897 break;
898 case IEEE80211_IOC_BSSID:
899 if (ireq->i_len != IEEE80211_ADDR_LEN)
900 return EINVAL;
901 error = copyout(vap->iv_state == IEEE80211_S_RUN ?
902 vap->iv_bss->ni_bssid :
903 vap->iv_des_bssid,
904 ireq->i_data, ireq->i_len);
905 break;
906 case IEEE80211_IOC_WPAIE:
907 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
908 break;
909 case IEEE80211_IOC_WPAIE2:
910 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
911 break;
912 case IEEE80211_IOC_SCAN_RESULTS:
913 error = ieee80211_ioctl_getscanresults(vap, ireq);
914 break;
915 case IEEE80211_IOC_STA_STATS:
916 error = ieee80211_ioctl_getstastats(vap, ireq);
917 break;
918 case IEEE80211_IOC_TXPOWMAX:
919 ireq->i_val = vap->iv_bss->ni_txpower;
920 break;
921 case IEEE80211_IOC_STA_TXPOW:
922 error = ieee80211_ioctl_getstatxpow(vap, ireq);
923 break;
924 case IEEE80211_IOC_STA_INFO:
925 error = ieee80211_ioctl_getstainfo(vap, ireq);
926 break;
927 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
928 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
929 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
930 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
931 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
932 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
933 error = ieee80211_ioctl_getwmeparam(vap, ireq);
934 break;
935 case IEEE80211_IOC_DTIM_PERIOD:
936 ireq->i_val = vap->iv_dtim_period;
937 break;
938 case IEEE80211_IOC_BEACON_INTERVAL:
939 /* NB: get from ic_bss for station mode */
940 ireq->i_val = vap->iv_bss->ni_intval;
941 break;
942 case IEEE80211_IOC_PUREG:
943 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
944 break;
945 case IEEE80211_IOC_FF:
946 ireq->i_val = getathcap(vap, IEEE80211_F_FF);
947 break;
948 case IEEE80211_IOC_TURBOP:
949 ireq->i_val = getathcap(vap, IEEE80211_F_TURBOP);
950 break;
951 case IEEE80211_IOC_BGSCAN:
952 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
953 break;
954 case IEEE80211_IOC_BGSCAN_IDLE:
955 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */
956 break;
957 case IEEE80211_IOC_BGSCAN_INTERVAL:
958 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */
959 break;
960 case IEEE80211_IOC_SCANVALID:
961 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */
962 break;
963 case IEEE80211_IOC_FRAGTHRESHOLD:
964 ireq->i_val = vap->iv_fragthreshold;
965 break;
966 case IEEE80211_IOC_MACCMD:
967 error = ieee80211_ioctl_getmaccmd(vap, ireq);
968 break;
969 case IEEE80211_IOC_BURST:
970 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
971 break;
972 case IEEE80211_IOC_BMISSTHRESHOLD:
973 ireq->i_val = vap->iv_bmissthreshold;
974 break;
975 case IEEE80211_IOC_CURCHAN:
976 error = ieee80211_ioctl_getcurchan(vap, ireq);
977 break;
978 case IEEE80211_IOC_SHORTGI:
979 ireq->i_val = 0;
980 if (vap->iv_flags_ext & IEEE80211_FEXT_SHORTGI20)
981 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
982 if (vap->iv_flags_ext & IEEE80211_FEXT_SHORTGI40)
983 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
984 break;
985 case IEEE80211_IOC_AMPDU:
986 ireq->i_val = 0;
987 if (vap->iv_flags_ext & IEEE80211_FEXT_AMPDU_TX)
988 ireq->i_val |= 1;
989 if (vap->iv_flags_ext & IEEE80211_FEXT_AMPDU_RX)
990 ireq->i_val |= 2;
991 break;
992 case IEEE80211_IOC_AMPDU_LIMIT:
993 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
994 ireq->i_val = vap->iv_ampdu_rxmax;
995 else if (vap->iv_state == IEEE80211_S_RUN)
996 ireq->i_val = MS(vap->iv_bss->ni_htparam,
997 IEEE80211_HTCAP_MAXRXAMPDU);
998 else
999 ireq->i_val = vap->iv_ampdu_limit;
1000 break;
1001 case IEEE80211_IOC_AMPDU_DENSITY:
1002 if (vap->iv_opmode == IEEE80211_M_STA &&
1003 vap->iv_state == IEEE80211_S_RUN)
1004 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1005 IEEE80211_HTCAP_MPDUDENSITY);
1006 else
1007 ireq->i_val = vap->iv_ampdu_density;
1008 break;
1009 case IEEE80211_IOC_AMSDU:
1010 ireq->i_val = 0;
1011 if (vap->iv_flags_ext & IEEE80211_FEXT_AMSDU_TX)
1012 ireq->i_val |= 1;
1013 if (vap->iv_flags_ext & IEEE80211_FEXT_AMSDU_RX)
1014 ireq->i_val |= 2;
1015 break;
1016 case IEEE80211_IOC_AMSDU_LIMIT:
1017 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */
1018 break;
1019 case IEEE80211_IOC_PUREN:
1020 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_PUREN) != 0;
1021 break;
1022 case IEEE80211_IOC_DOTH:
1023 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1024 break;
1025 case IEEE80211_IOC_REGDOMAIN:
1026 error = ieee80211_ioctl_getregdomain(vap, ireq);
1027 break;
1028 case IEEE80211_IOC_ROAM:
1029 error = ieee80211_ioctl_getroam(vap, ireq);
1030 break;
1031 case IEEE80211_IOC_TXPARAMS:
1032 error = ieee80211_ioctl_gettxparams(vap, ireq);
1033 break;
1034 case IEEE80211_IOC_HTCOMPAT:
1035 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_HTCOMPAT) != 0;
1036 break;
1037 case IEEE80211_IOC_DWDS:
1038 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1039 break;
1040 case IEEE80211_IOC_INACTIVITY:
1041 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1042 break;
1043 case IEEE80211_IOC_APPIE:
1044 error = ieee80211_ioctl_getappie(vap, ireq);
1045 break;
1046 case IEEE80211_IOC_WPS:
1047 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1048 break;
1049 case IEEE80211_IOC_TSN:
1050 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1051 break;
1052 case IEEE80211_IOC_DFS:
1053 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1054 break;
1055 case IEEE80211_IOC_DOTD:
1056 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1057 break;
1058 case IEEE80211_IOC_DEVCAPS:
1059 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1060 break;
1061 case IEEE80211_IOC_HTPROTMODE:
1062 ireq->i_val = ic->ic_htprotmode;
1063 break;
1064 case IEEE80211_IOC_HTCONF:
1065 if (vap->iv_flags_ext & IEEE80211_FEXT_HT) {
1066 ireq->i_val = 1;
1067 if (vap->iv_flags_ext & IEEE80211_FEXT_USEHT40)
1068 ireq->i_val |= 2;
1069 } else
1070 ireq->i_val = 0;
1071 break;
1072 case IEEE80211_IOC_STA_VLAN:
1073 error = ieee80211_ioctl_getstavlan(vap, ireq);
1074 break;
1075 case IEEE80211_IOC_SMPS:
1076 if (vap->iv_opmode == IEEE80211_M_STA &&
1077 vap->iv_state == IEEE80211_S_RUN) {
1078 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1079 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1080 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1081 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1082 else
1083 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1084 } else
1085 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1086 break;
1087 case IEEE80211_IOC_RIFS:
1088 if (vap->iv_opmode == IEEE80211_M_STA &&
1089 vap->iv_state == IEEE80211_S_RUN)
1090 ireq->i_val =
1091 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1092 else
1093 ireq->i_val =
1094 (vap->iv_flags_ext & IEEE80211_FEXT_RIFS) != 0;
1095 break;
1096#ifdef IEEE80211_SUPPORT_TDMA
1097 case IEEE80211_IOC_TDMA_SLOT:
1098 case IEEE80211_IOC_TDMA_SLOTCNT:
1099 case IEEE80211_IOC_TDMA_SLOTLEN:
1100 case IEEE80211_IOC_TDMA_BINTERVAL:
1101 error = ieee80211_tdma_ioctl_get80211(vap, ireq);
1102 break;
1103#endif
1104 default:
1105 error = EINVAL;
1106 break;
1107 }
1108 return error;
1109#undef MS
1110}
1111
1112static __noinline int
1113ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1114{
1115 struct ieee80211req_key ik;
1116 struct ieee80211_node *ni;
1117 struct ieee80211_key *wk;
1118 uint16_t kid;
1119 int error, i;
1120
1121 if (ireq->i_len != sizeof(ik))
1122 return EINVAL;
1123 error = copyin(ireq->i_data, &ik, sizeof(ik));
1124 if (error)
1125 return error;
1126 /* NB: cipher support is verified by ieee80211_crypt_newkey */
1127 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1128 if (ik.ik_keylen > sizeof(ik.ik_keydata))
1129 return E2BIG;
1130 kid = ik.ik_keyix;
1131 if (kid == IEEE80211_KEYIX_NONE) {
1132 /* XXX unicast keys currently must be tx/rx */
1133 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1134 return EINVAL;
1135 if (vap->iv_opmode == IEEE80211_M_STA) {
1136 ni = ieee80211_ref_node(vap->iv_bss);
1137 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1138 ieee80211_free_node(ni);
1139 return EADDRNOTAVAIL;
1140 }
1141 } else {
1142 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1143 ik.ik_macaddr);
1144 if (ni == NULL)
1145 return ENOENT;
1146 }
1147 wk = &ni->ni_ucastkey;
1148 } else {
1149 if (kid >= IEEE80211_WEP_NKID)
1150 return EINVAL;
1151 wk = &vap->iv_nw_keys[kid];
1152 /*
1153 * Global slots start off w/o any assigned key index.
1154 * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1155 */
1156 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1157 wk->wk_keyix = kid;
1158 ni = NULL;
1159 }
1160 error = 0;
1161 ieee80211_key_update_begin(vap);
1162 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1163 wk->wk_keylen = ik.ik_keylen;
1164 /* NB: MIC presence is implied by cipher type */
1165 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1166 wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1167 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1168 wk->wk_keyrsc[i] = ik.ik_keyrsc;
1169 wk->wk_keytsc = 0; /* new key, reset */
1170 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1171 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1172 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1173 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr);
1174 if (!ieee80211_crypto_setkey(vap, wk))
1175 error = EIO;
1176 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1177 vap->iv_def_txkey = kid;
1178 } else
1179 error = ENXIO;
1180 ieee80211_key_update_end(vap);
1181 if (ni != NULL)
1182 ieee80211_free_node(ni);
1183 return error;
1184}
1185
1186static __noinline int
1187ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1188{
1189 struct ieee80211req_del_key dk;
1190 int kid, error;
1191
1192 if (ireq->i_len != sizeof(dk))
1193 return EINVAL;
1194 error = copyin(ireq->i_data, &dk, sizeof(dk));
1195 if (error)
1196 return error;
1197 kid = dk.idk_keyix;
1198 /* XXX uint8_t -> uint16_t */
1199 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1200 struct ieee80211_node *ni;
1201
1202 if (vap->iv_opmode == IEEE80211_M_STA) {
1203 ni = ieee80211_ref_node(vap->iv_bss);
1204 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1205 ieee80211_free_node(ni);
1206 return EADDRNOTAVAIL;
1207 }
1208 } else {
1209 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1210 dk.idk_macaddr);
1211 if (ni == NULL)
1212 return ENOENT;
1213 }
1214 /* XXX error return */
1215 ieee80211_node_delucastkey(ni);
1216 ieee80211_free_node(ni);
1217 } else {
1218 if (kid >= IEEE80211_WEP_NKID)
1219 return EINVAL;
1220 /* XXX error return */
1221 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1222 }
1223 return 0;
1224}
1225
1226struct mlmeop {
1227 struct ieee80211vap *vap;
1228 int op;
1229 int reason;
1230};
1231
1232static void
1233mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1234 int op, int reason)
1235{
1236#ifdef IEEE80211_DEBUG
1237 static const struct {
1238 int mask;
1239 const char *opstr;
1240 } ops[] = {
1241 { 0, "op#0" },
1242 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1243 IEEE80211_MSG_ASSOC, "assoc" },
1244 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1245 IEEE80211_MSG_ASSOC, "disassoc" },
1246 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1247 IEEE80211_MSG_AUTH, "deauth" },
1248 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1249 IEEE80211_MSG_AUTH, "authorize" },
1250 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1251 IEEE80211_MSG_AUTH, "unauthorize" },
1252 };
1253
1254 if (op == IEEE80211_MLME_AUTH) {
1255 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1256 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1257 "station authenticate %s via MLME (reason %d)",
1258 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1259 reason);
1260 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1261 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1262 "unknown MLME request %d (reason %d)", op, reason);
1263 } else if (reason == IEEE80211_STATUS_SUCCESS) {
1264 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1265 "station %s via MLME", ops[op].opstr);
1266 } else {
1267 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1268 "station %s via MLME (reason %d)", ops[op].opstr, reason);
1269 }
1270#endif /* IEEE80211_DEBUG */
1271}
1272
1273static void
1274domlme(void *arg, struct ieee80211_node *ni)
1275{
1276 struct mlmeop *mop = arg;
1277 struct ieee80211vap *vap = ni->ni_vap;
1278
1279 if (vap != mop->vap)
1280 return;
1281 /*
1282 * NB: if ni_associd is zero then the node is already cleaned
1283 * up and we don't need to do this (we're safely holding a
1284 * reference but should otherwise not modify it's state).
1285 */
1286 if (ni->ni_associd == 0)
1287 return;
1288 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1289 if (mop->op == IEEE80211_MLME_DEAUTH) {
1290 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1291 mop->reason);
1292 } else {
1293 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1294 mop->reason);
1295 }
1296 ieee80211_node_leave(ni);
1297}
1298
1299static int
1300setmlme_dropsta(struct ieee80211vap *vap,
1301 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1302{
1303 struct ieee80211com *ic = vap->iv_ic;
1304 struct ieee80211_node_table *nt = &ic->ic_sta;
1305 struct ieee80211_node *ni;
1306 int error = 0;
1307
1308 /* NB: the broadcast address means do 'em all */
1309 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) {
1310 IEEE80211_NODE_LOCK(nt);
1311 ni = ieee80211_find_node_locked(nt, mac);
1312 if (ni != NULL) {
1313 domlme(mlmeop, ni);
1314 ieee80211_free_node(ni);
1315 } else
1316 error = ENOENT;
1317 IEEE80211_NODE_UNLOCK(nt);
1318 } else {
1319 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1320 }
1321 return error;
1322}
1323
1324static __noinline int
1325setmlme_common(struct ieee80211vap *vap, int op,
1326 const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1327{
1328 struct ieee80211com *ic = vap->iv_ic;
1329 struct ieee80211_node_table *nt = &ic->ic_sta;
1330 struct ieee80211_node *ni;
1331 struct mlmeop mlmeop;
1332 int error;
1333
1334 error = 0;
1335 switch (op) {
1336 case IEEE80211_MLME_DISASSOC:
1337 case IEEE80211_MLME_DEAUTH:
1338 switch (vap->iv_opmode) {
1339 case IEEE80211_M_STA:
1340 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1341 /* XXX not quite right */
1342 ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1343 break;
1344 case IEEE80211_M_HOSTAP:
1345 mlmeop.vap = vap;
1346 mlmeop.op = op;
1347 mlmeop.reason = reason;
1348 error = setmlme_dropsta(vap, mac, &mlmeop);
1349 break;
1350 case IEEE80211_M_WDS:
1351 /* XXX user app should send raw frame? */
1352 if (op != IEEE80211_MLME_DEAUTH) {
1353 error = EINVAL;
1354 break;
1355 }
1356#if 0
1357 /* XXX accept any address, simplifies user code */
1358 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1359 error = EINVAL;
1360 break;
1361 }
1362#endif
1363 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1364 ni = ieee80211_ref_node(vap->iv_bss);
1365 IEEE80211_SEND_MGMT(ni,
1366 IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1367 ieee80211_free_node(ni);
1368 break;
1369 default:
1370 error = EINVAL;
1371 break;
1372 }
1373 break;
1374 case IEEE80211_MLME_AUTHORIZE:
1375 case IEEE80211_MLME_UNAUTHORIZE:
1376 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1377 vap->iv_opmode != IEEE80211_M_WDS) {
1378 error = EINVAL;
1379 break;
1380 }
1381 IEEE80211_NODE_LOCK(nt);
1382 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1383 if (ni != NULL) {
1384 mlmedebug(vap, mac, op, reason);
1385 if (op == IEEE80211_MLME_AUTHORIZE)
1386 ieee80211_node_authorize(ni);
1387 else
1388 ieee80211_node_unauthorize(ni);
1389 ieee80211_free_node(ni);
1390 } else
1391 error = ENOENT;
1392 IEEE80211_NODE_UNLOCK(nt);
1393 break;
1394 case IEEE80211_MLME_AUTH:
1395 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1396 error = EINVAL;
1397 break;
1398 }
1399 IEEE80211_NODE_LOCK(nt);
1400 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1401 if (ni != NULL) {
1402 mlmedebug(vap, mac, op, reason);
1403 if (reason == IEEE80211_STATUS_SUCCESS) {
1404 IEEE80211_SEND_MGMT(ni,
1405 IEEE80211_FC0_SUBTYPE_AUTH, 2);
1406 /*
1407 * For shared key auth, just continue the
1408 * exchange. Otherwise when 802.1x is not in
1409 * use mark the port authorized at this point
1410 * so traffic can flow.
1411 */
1412 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1413 ni->ni_challenge == NULL)
1414 ieee80211_node_authorize(ni);
1415 } else {
1416 vap->iv_stats.is_rx_acl++;
1417 ieee80211_send_error(ni, ni->ni_macaddr,
1418 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1419 ieee80211_node_leave(ni);
1420 }
1421 ieee80211_free_node(ni);
1422 } else
1423 error = ENOENT;
1424 IEEE80211_NODE_UNLOCK(nt);
1425 break;
1426 default:
1427 error = EINVAL;
1428 break;
1429 }
1430 return error;
1431}
1432
1433struct scanlookup {
1434 const uint8_t *mac;
1435 int esslen;
1436 const uint8_t *essid;
1437 const struct ieee80211_scan_entry *se;
1438};
1439
1440/*
1441 * Match mac address and any ssid.
1442 */
1443static void
1444mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1445{
1446 struct scanlookup *look = arg;
1447
1448 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1449 return;
1450 if (look->esslen != 0) {
1451 if (se->se_ssid[1] != look->esslen)
1452 return;
1453 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1454 return;
1455 }
1456 look->se = se;
1457}
1458
1459static __noinline int
1460setmlme_assoc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1461 int ssid_len, const uint8_t ssid[IEEE80211_NWID_LEN])
1462{
1463 struct scanlookup lookup;
1464
1465 /* XXX ibss/ahdemo */
1466 if (vap->iv_opmode != IEEE80211_M_STA)
1467 return EINVAL;
1468
1469 /* NB: this is racey if roaming is !manual */
1470 lookup.se = NULL;
1471 lookup.mac = mac;
1472 lookup.esslen = ssid_len;
1473 lookup.essid = ssid;
1474 ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1475 if (lookup.se == NULL)
1476 return ENOENT;
1477 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1478 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1479 return EIO; /* XXX unique but could be better */
1480 return 0;
1481}
1482
1483static __noinline int
1484ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1485{
1486 struct ieee80211req_mlme mlme;
1487 int error;
1488
1489 if (ireq->i_len != sizeof(mlme))
1490 return EINVAL;
1491 error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1492 if (error)
1493 return error;
1494 if (mlme.im_op == IEEE80211_MLME_ASSOC)
1495 return setmlme_assoc(vap, mlme.im_macaddr,
1496 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1497 else
1498 return setmlme_common(vap, mlme.im_op,
1499 mlme.im_macaddr, mlme.im_reason);
1500}
1501
1502static __noinline int
1503ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1504{
1505 uint8_t mac[IEEE80211_ADDR_LEN];
1506 const struct ieee80211_aclator *acl = vap->iv_acl;
1507 int error;
1508
1509 if (ireq->i_len != sizeof(mac))
1510 return EINVAL;
1511 error = copyin(ireq->i_data, mac, ireq->i_len);
1512 if (error)
1513 return error;
1514 if (acl == NULL) {
1515 acl = ieee80211_aclator_get("mac");
1516 if (acl == NULL || !acl->iac_attach(vap))
1517 return EINVAL;
1518 vap->iv_acl = acl;
1519 }
1520 if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1521 acl->iac_add(vap, mac);
1522 else
1523 acl->iac_remove(vap, mac);
1524 return 0;
1525}
1526
1527static __noinline int
1528ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1529{
1530 const struct ieee80211_aclator *acl = vap->iv_acl;
1531
1532 switch (ireq->i_val) {
1533 case IEEE80211_MACCMD_POLICY_OPEN:
1534 case IEEE80211_MACCMD_POLICY_ALLOW:
1535 case IEEE80211_MACCMD_POLICY_DENY:
1536 case IEEE80211_MACCMD_POLICY_RADIUS:
1537 if (acl == NULL) {
1538 acl = ieee80211_aclator_get("mac");
1539 if (acl == NULL || !acl->iac_attach(vap))
1540 return EINVAL;
1541 vap->iv_acl = acl;
1542 }
1543 acl->iac_setpolicy(vap, ireq->i_val);
1544 break;
1545 case IEEE80211_MACCMD_FLUSH:
1546 if (acl != NULL)
1547 acl->iac_flush(vap);
1548 /* NB: silently ignore when not in use */
1549 break;
1550 case IEEE80211_MACCMD_DETACH:
1551 if (acl != NULL) {
1552 vap->iv_acl = NULL;
1553 acl->iac_detach(vap);
1554 }
1555 break;
1556 default:
1557 if (acl == NULL)
1558 return EINVAL;
1559 else
1560 return acl->iac_setioctl(vap, ireq);
1561 }
1562 return 0;
1563}
1564
1565static __noinline int
1566ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1567{
1568 struct ieee80211com *ic = vap->iv_ic;
1569 struct ieee80211req_chanlist list;
1570 u_char chanlist[IEEE80211_CHAN_BYTES];
1571 int i, nchan, error;
1572
1573 if (ireq->i_len != sizeof(list))
1574 return EINVAL;
1575 error = copyin(ireq->i_data, &list, sizeof(list));
1576 if (error)
1577 return error;
1578 memset(chanlist, 0, sizeof(chanlist));
1579 nchan = 0;
1580 for (i = 0; i < ic->ic_nchans; i++) {
1581 const struct ieee80211_channel *c = &ic->ic_channels[i];
1582 /*
1583 * Calculate the intersection of the user list and the
1584 * available channels so users can do things like specify
1585 * 1-255 to get all available channels.
1586 */
1587 if (isset(list.ic_channels, c->ic_ieee)) {
1588 setbit(chanlist, c->ic_ieee);
1589 nchan++;
1590 }
1591 }
1592 if (nchan == 0)
1593 return EINVAL;
1594 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */
1595 isclr(chanlist, ic->ic_bsschan->ic_ieee))
1596 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1597 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active));
1598 ieee80211_scan_flush(vap);
1599 return ENETRESET;
1600}
1601
1602static __noinline int
1603ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1604{
1605 struct ieee80211_node *ni;
1606 uint8_t macaddr[IEEE80211_ADDR_LEN];
1607 int error;
1608
1609 /*
1610 * NB: we could copyin ieee80211req_sta_stats so apps
1611 * could make selective changes but that's overkill;
1612 * just clear all stats for now.
1613 */
1614 if (ireq->i_len < IEEE80211_ADDR_LEN)
1615 return EINVAL;
1616 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1617 if (error != 0)
1618 return error;
1619 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1620 if (ni == NULL)
1621 return ENOENT;
1622 /* XXX require ni_vap == vap? */
1623 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1624 ieee80211_free_node(ni);
1625 return 0;
1626}
1627
1628static __noinline int
1629ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1630{
1631 struct ieee80211_node *ni;
1632 struct ieee80211req_sta_txpow txpow;
1633 int error;
1634
1635 if (ireq->i_len != sizeof(txpow))
1636 return EINVAL;
1637 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1638 if (error != 0)
1639 return error;
1640 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1641 if (ni == NULL)
1642 return ENOENT;
1643 ni->ni_txpower = txpow.it_txpow;
1644 ieee80211_free_node(ni);
1645 return error;
1646}
1647
1648static __noinline int
1649ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1650{
1651 struct ieee80211com *ic = vap->iv_ic;
1652 struct ieee80211_wme_state *wme = &ic->ic_wme;
1653 struct wmeParams *wmep, *chanp;
1654 int isbss, ac;
1655
1656 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1657 return EOPNOTSUPP;
1658
1659 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1660 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1661 if (ac >= WME_NUM_AC)
1662 ac = WME_AC_BE;
1663 if (isbss) {
1664 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1665 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1666 } else {
1667 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1668 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1669 }
1670 switch (ireq->i_type) {
1671 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1672 if (isbss) {
1673 wmep->wmep_logcwmin = ireq->i_val;
1674 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1675 chanp->wmep_logcwmin = ireq->i_val;
1676 } else {
1677 wmep->wmep_logcwmin = chanp->wmep_logcwmin =
1678 ireq->i_val;
1679 }
1680 break;
1681 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1682 if (isbss) {
1683 wmep->wmep_logcwmax = ireq->i_val;
1684 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1685 chanp->wmep_logcwmax = ireq->i_val;
1686 } else {
1687 wmep->wmep_logcwmax = chanp->wmep_logcwmax =
1688 ireq->i_val;
1689 }
1690 break;
1691 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1692 if (isbss) {
1693 wmep->wmep_aifsn = ireq->i_val;
1694 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1695 chanp->wmep_aifsn = ireq->i_val;
1696 } else {
1697 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val;
1698 }
1699 break;
1700 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1701 if (isbss) {
1702 wmep->wmep_txopLimit = ireq->i_val;
1703 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1704 chanp->wmep_txopLimit = ireq->i_val;
1705 } else {
1706 wmep->wmep_txopLimit = chanp->wmep_txopLimit =
1707 ireq->i_val;
1708 }
1709 break;
1710 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1711 wmep->wmep_acm = ireq->i_val;
1712 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1713 chanp->wmep_acm = ireq->i_val;
1714 break;
1715 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1716 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1717 (ireq->i_val) == 0;
1718 break;
1719 }
1720 ieee80211_wme_updateparams(vap);
1721 return 0;
1722}
1723
1724static int
1725find11gchannel(struct ieee80211com *ic, int start, int freq)
1726{
1727 const struct ieee80211_channel *c;
1728 int i;
1729
1730 for (i = start+1; i < ic->ic_nchans; i++) {
1731 c = &ic->ic_channels[i];
1732 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1733 return 1;
1734 }
1735 /* NB: should not be needed but in case things are mis-sorted */
1736 for (i = 0; i < start; i++) {
1737 c = &ic->ic_channels[i];
1738 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1739 return 1;
1740 }
1741 return 0;
1742}
1743
1744static struct ieee80211_channel *
1745findchannel(struct ieee80211com *ic, int ieee, int mode)
1746{
1747 static const u_int chanflags[IEEE80211_MODE_MAX] = {
1748 0, /* IEEE80211_MODE_AUTO */
1749 IEEE80211_CHAN_A, /* IEEE80211_MODE_11A */
1750 IEEE80211_CHAN_B, /* IEEE80211_MODE_11B */
1751 IEEE80211_CHAN_G, /* IEEE80211_MODE_11G */
1752 IEEE80211_CHAN_FHSS, /* IEEE80211_MODE_FH */
1753 IEEE80211_CHAN_108A, /* IEEE80211_MODE_TURBO_A */
1754 IEEE80211_CHAN_108G, /* IEEE80211_MODE_TURBO_G */
1755 IEEE80211_CHAN_STURBO, /* IEEE80211_MODE_STURBO_A */
1756 /* NB: handled specially below */
1757 IEEE80211_CHAN_A, /* IEEE80211_MODE_11NA */
1758 IEEE80211_CHAN_G, /* IEEE80211_MODE_11NG */
1759 };
1760 u_int modeflags;
1761 int i;
1762
1763 modeflags = chanflags[mode];
1764 for (i = 0; i < ic->ic_nchans; i++) {
1765 struct ieee80211_channel *c = &ic->ic_channels[i];
1766
1767 if (c->ic_ieee != ieee)
1768 continue;
1769 if (mode == IEEE80211_MODE_AUTO) {
1770 /* ignore turbo channels for autoselect */
1771 if (IEEE80211_IS_CHAN_TURBO(c))
1772 continue;
1773 /*
1774 * XXX special-case 11b/g channels so we
1775 * always select the g channel if both
1776 * are present.
1777 * XXX prefer HT to non-HT?
1778 */
1779 if (!IEEE80211_IS_CHAN_B(c) ||
1780 !find11gchannel(ic, i, c->ic_freq))
1781 return c;
1782 } else {
1783 /* must check HT specially */
1784 if ((mode == IEEE80211_MODE_11NA ||
1785 mode == IEEE80211_MODE_11NG) &&
1786 !IEEE80211_IS_CHAN_HT(c))
1787 continue;
1788 if ((c->ic_flags & modeflags) == modeflags)
1789 return c;
1790 }
1791 }
1792 return NULL;
1793}
1794
1795/*
1796 * Check the specified against any desired mode (aka netband).
1797 * This is only used (presently) when operating in hostap mode
1798 * to enforce consistency.
1799 */
1800static int
1801check_mode_consistency(const struct ieee80211_channel *c, int mode)
1802{
1803 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1804
1805 switch (mode) {
1806 case IEEE80211_MODE_11B:
1807 return (IEEE80211_IS_CHAN_B(c));
1808 case IEEE80211_MODE_11G:
1809 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1810 case IEEE80211_MODE_11A:
1811 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1812 case IEEE80211_MODE_STURBO_A:
1813 return (IEEE80211_IS_CHAN_STURBO(c));
1814 case IEEE80211_MODE_11NA:
1815 return (IEEE80211_IS_CHAN_HTA(c));
1816 case IEEE80211_MODE_11NG:
1817 return (IEEE80211_IS_CHAN_HTG(c));
1818 }
1819 return 1;
1820
1821}
1822
1823/*
1824 * Common code to set the current channel. If the device
1825 * is up and running this may result in an immediate channel
1826 * change or a kick of the state machine.
1827 */
1828static int
1829setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1830{
1831 struct ieee80211com *ic = vap->iv_ic;
1832 int error;
1833
1834 if (c != IEEE80211_CHAN_ANYC) {
1835 if (IEEE80211_IS_CHAN_RADAR(c))
1836 return EBUSY; /* XXX better code? */
1837 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1838 if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1839 return EINVAL;
1840 if (!check_mode_consistency(c, vap->iv_des_mode))
1841 return EINVAL;
1842 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1843 if (IEEE80211_IS_CHAN_NOADHOC(c))
1844 return EINVAL;
1845 }
1846 if (vap->iv_state == IEEE80211_S_RUN &&
1847 vap->iv_bss->ni_chan == c)
1848 return 0; /* NB: nothing to do */
1849 }
1850 vap->iv_des_chan = c;
1851
1852 error = 0;
1853 if (vap->iv_opmode == IEEE80211_M_MONITOR &&
1854 vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1855 /*
1856 * Monitor mode can switch directly.
1857 */
1858 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
1859 /* XXX need state machine for other vap's to follow */
1860 ieee80211_setcurchan(ic, vap->iv_des_chan);
1861 vap->iv_bss->ni_chan = ic->ic_curchan;
1862 } else
1863 ic->ic_curchan = vap->iv_des_chan;
1864 } else {
1865 /*
1866 * Need to go through the state machine in case we
1867 * need to reassociate or the like. The state machine
1868 * will pickup the desired channel and avoid scanning.
1869 */
1870 if (IS_UP_AUTO(vap))
1871 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
1872 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1873 /*
1874 * When not up+running and a real channel has
1875 * been specified fix the current channel so
1876 * there is immediate feedback; e.g. via ifconfig.
1877 */
1878 ic->ic_curchan = vap->iv_des_chan;
1879 }
1880 }
1881 return error;
1882}
1883
1884/*
1885 * Old api for setting the current channel; this is
1886 * deprecated because channel numbers are ambiguous.
1887 */
1888static __noinline int
1889ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
1890 const struct ieee80211req *ireq)
1891{
1892 struct ieee80211com *ic = vap->iv_ic;
1893 struct ieee80211_channel *c;
1894
1895 /* XXX 0xffff overflows 16-bit signed */
1896 if (ireq->i_val == 0 ||
1897 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
1898 c = IEEE80211_CHAN_ANYC;
1899 } else {
1900 struct ieee80211_channel *c2;
1901
1902 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
1903 if (c == NULL) {
1904 c = findchannel(ic, ireq->i_val,
1905 IEEE80211_MODE_AUTO);
1906 if (c == NULL)
1907 return EINVAL;
1908 }
1909 /*
1910 * Fine tune channel selection based on desired mode:
1911 * if 11b is requested, find the 11b version of any
1912 * 11g channel returned,
1913 * if static turbo, find the turbo version of any
1914 * 11a channel return,
1915 * if 11na is requested, find the ht version of any
1916 * 11a channel returned,
1917 * if 11ng is requested, find the ht version of any
1918 * 11g channel returned,
1919 * otherwise we should be ok with what we've got.
1920 */
1921 switch (vap->iv_des_mode) {
1922 case IEEE80211_MODE_11B:
1923 if (IEEE80211_IS_CHAN_ANYG(c)) {
1924 c2 = findchannel(ic, ireq->i_val,
1925 IEEE80211_MODE_11B);
1926 /* NB: should not happen, =>'s 11g w/o 11b */
1927 if (c2 != NULL)
1928 c = c2;
1929 }
1930 break;
1931 case IEEE80211_MODE_TURBO_A:
1932 if (IEEE80211_IS_CHAN_A(c)) {
1933 c2 = findchannel(ic, ireq->i_val,
1934 IEEE80211_MODE_TURBO_A);
1935 if (c2 != NULL)
1936 c = c2;
1937 }
1938 break;
1939 case IEEE80211_MODE_11NA:
1940 if (IEEE80211_IS_CHAN_A(c)) {
1941 c2 = findchannel(ic, ireq->i_val,
1942 IEEE80211_MODE_11NA);
1943 if (c2 != NULL)
1944 c = c2;
1945 }
1946 break;
1947 case IEEE80211_MODE_11NG:
1948 if (IEEE80211_IS_CHAN_ANYG(c)) {
1949 c2 = findchannel(ic, ireq->i_val,
1950 IEEE80211_MODE_11NG);
1951 if (c2 != NULL)
1952 c = c2;
1953 }
1954 break;
1955 default: /* NB: no static turboG */
1956 break;
1957 }
1958 }
1959 return setcurchan(vap, c);
1960}
1961
1962/*
1963 * New/current api for setting the current channel; a complete
1964 * channel description is provide so there is no ambiguity in
1965 * identifying the channel.
1966 */
1967static __noinline int
1968ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
1969 const struct ieee80211req *ireq)
1970{
1971 struct ieee80211com *ic = vap->iv_ic;
1972 struct ieee80211_channel chan, *c;
1973 int error;
1974
1975 if (ireq->i_len != sizeof(chan))
1976 return EINVAL;
1977 error = copyin(ireq->i_data, &chan, sizeof(chan));
1978 if (error != 0)
1979 return error;
1980 /* XXX 0xffff overflows 16-bit signed */
1981 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
1982 c = IEEE80211_CHAN_ANYC;
1983 } else {
1984 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
1985 if (c == NULL)
1986 return EINVAL;
1987 }
1988 return setcurchan(vap, c);
1989}
1990
1991static __noinline int
1992ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
1993 const struct ieee80211req *ireq)
1994{
1995 struct ieee80211_regdomain_req *reg;
1996 int error;
1997
1998 if (ireq->i_len != sizeof(struct ieee80211_regdomain_req))
1999 return EINVAL;
2000 reg = (struct ieee80211_regdomain_req *) malloc(
2001 sizeof(struct ieee80211_regdomain_req), M_TEMP, M_NOWAIT);
2002 if (reg == NULL)
2003 return ENOMEM;
2004 error = copyin(ireq->i_data, reg, sizeof(*reg));
2005 if (error == 0)
2006 error = ieee80211_setregdomain(vap, reg);
2007 free(reg, M_TEMP);
2008
2009 return (error == 0 ? ENETRESET : error);
2010}
2011
2012static int
2013ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2014 const struct ieee80211req *ireq)
2015{
2016 if (ireq->i_len != sizeof(vap->iv_roamparms))
2017 return EINVAL;
2018 /* XXX validate params */
2019 /* XXX? ENETRESET to push to device? */
2020 return copyin(ireq->i_data, vap->iv_roamparms,
2021 sizeof(vap->iv_roamparms));
2022}
2023
2024static int
2025checkrate(const struct ieee80211_rateset *rs, int rate)
2026{
2027 int i;
2028
2029 if (rate == IEEE80211_FIXED_RATE_NONE)
2030 return 1;
2031 for (i = 0; i < rs->rs_nrates; i++)
2032 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2033 return 1;
2034 return 0;
2035}
2036
2037static int
2038checkmcs(int mcs)
2039{
2040 if (mcs == IEEE80211_FIXED_RATE_NONE)
2041 return 1;
2042 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */
2043 return 0;
2044 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */
2045}
2046
2047static __noinline int
2048ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2049 const struct ieee80211req *ireq)
2050{
2051 struct ieee80211com *ic = vap->iv_ic;
2052 struct ieee80211_txparams_req parms; /* XXX stack use? */
2053 struct ieee80211_txparam *src, *dst;
2054 const struct ieee80211_rateset *rs;
2055 int error, i, changed;
2056
2057 if (ireq->i_len != sizeof(parms))
2058 return EINVAL;
2059 error = copyin(ireq->i_data, &parms, sizeof(parms));
2060 if (error != 0)
2061 return error;
2062 changed = 0;
2063 /* validate parameters and check if anything changed */
2064 for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_11NA; i++) {
2065 if (isclr(ic->ic_modecaps, i))
2066 continue;
2067 src = &parms.params[i];
2068 dst = &vap->iv_txparms[i];
2069 rs = &ic->ic_sup_rates[i];
2070 if (src->ucastrate != dst->ucastrate) {
2071 if (!checkrate(rs, src->ucastrate))
2072 return EINVAL;
2073 changed++;
2074 }
2075 if (src->mcastrate != dst->mcastrate) {
2076 if (!checkrate(rs, src->mcastrate))
2077 return EINVAL;
2078 changed++;
2079 }
2080 if (src->mgmtrate != dst->mgmtrate) {
2081 if (!checkrate(rs, src->mgmtrate))
2082 return EINVAL;
2083 changed++;
2084 }
2085 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2086 changed++;
2087 }
2088 /* 11n parameters are handled differently */
2089 for (; i < IEEE80211_MODE_MAX; i++) {
2090 if (isclr(ic->ic_modecaps, i))
2091 continue;
2092 src = &parms.params[i];
2093 dst = &vap->iv_txparms[i];
2094 rs = &ic->ic_sup_rates[i == IEEE80211_MODE_11NA ?
2095 IEEE80211_MODE_11A : IEEE80211_MODE_11G];
2096 if (src->ucastrate != dst->ucastrate) {
2097 if (!checkmcs(src->ucastrate) &&
2098 !checkrate(rs, src->ucastrate))
2099 return EINVAL;
2100 changed++;
2101 }
2102 if (src->mcastrate != dst->mcastrate) {
2103 if (!checkmcs(src->mcastrate) &&
2104 !checkrate(rs, src->mcastrate))
2105 return EINVAL;
2106 changed++;
2107 }
2108 if (src->mgmtrate != dst->mgmtrate) {
2109 if (!checkmcs(src->mgmtrate) &&
2110 !checkrate(rs, src->mgmtrate))
2111 return EINVAL;
2112 changed++;
2113 }
2114 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2115 changed++;
2116 }
2117 if (changed) {
2118 /*
2119 * Copy new parameters in place and notify the
2120 * driver so it can push state to the device.
2121 */
2122 for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++) {
2123 if (isset(ic->ic_modecaps, i))
2124 vap->iv_txparms[i] = parms.params[i];
2125 }
2126 /* XXX could be more intelligent,
2127 e.g. don't reset if setting not being used */
2128 return ENETRESET;
2129 }
2130 return 0;
2131}
2132
2133/*
2134 * Application Information Element support.
2135 */
2136static int
2137setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2138{
2139 struct ieee80211_appie *app = *aie;
2140 struct ieee80211_appie *napp;
2141 int error;
2142
2143 if (ireq->i_len == 0) { /* delete any existing ie */
2144 if (app != NULL) {
2145 *aie = NULL; /* XXX racey */
2146 free(app, M_80211_NODE_IE);
2147 }
2148 return 0;
2149 }
2150 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2151 return EINVAL;
2152 /*
2153 * Allocate a new appie structure and copy in the user data.
2154 * When done swap in the new structure. Note that we do not
2155 * guard against users holding a ref to the old structure;
2156 * this must be handled outside this code.
2157 *
2158 * XXX bad bad bad
2159 */
2160 napp = (struct ieee80211_appie *) malloc(
2161 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_NOWAIT);
2162 if (napp == NULL)
2163 return ENOMEM;
2164 /* XXX holding ic lock */
2165 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2166 if (error) {
2167 free(napp, M_80211_NODE_IE);
2168 return error;
2169 }
2170 napp->ie_len = ireq->i_len;
2171 *aie = napp;
2172 if (app != NULL)
2173 free(app, M_80211_NODE_IE);
2174 return 0;
2175}
2176
2177static void
2178setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2179{
2180 /* validate data is present as best we can */
2181 if (space == 0 || 2+ie[1] > space)
2182 return;
2183 if (ie[0] == IEEE80211_ELEMID_VENDOR)
2184 vap->iv_wpa_ie = ie;
2185 else if (ie[0] == IEEE80211_ELEMID_RSN)
2186 vap->iv_rsn_ie = ie;
2187}
2188
2189static __noinline int
2190ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2191 const struct ieee80211req *ireq, int fc0)
2192{
2193 int error;
2194
2195 IEEE80211_LOCK_ASSERT(vap->iv_ic);
2196
2197 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2198 case IEEE80211_FC0_SUBTYPE_BEACON:
2199 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2200 vap->iv_opmode != IEEE80211_M_IBSS) {
2201 error = EINVAL;
2202 break;
2203 }
2204 error = setappie(&vap->iv_appie_beacon, ireq);
2205 if (error == 0)
2206 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2207 break;
2208 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2209 error = setappie(&vap->iv_appie_proberesp, ireq);
2210 break;
2211 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2212 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2213 error = setappie(&vap->iv_appie_assocresp, ireq);
2214 else
2215 error = EINVAL;
2216 break;
2217 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2218 error = setappie(&vap->iv_appie_probereq, ireq);
2219 break;
2220 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2221 if (vap->iv_opmode == IEEE80211_M_STA)
2222 error = setappie(&vap->iv_appie_assocreq, ireq);
2223 else
2224 error = EINVAL;
2225 break;
2226 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2227 error = setappie(&vap->iv_appie_wpa, ireq);
2228 if (error == 0) {
2229 /*
2230 * Must split single blob of data into separate
2231 * WPA and RSN ie's because they go in different
2232 * locations in the mgt frames.
2233 * XXX use IEEE80211_IOC_WPA2 so user code does split
2234 */
2235 vap->iv_wpa_ie = NULL;
2236 vap->iv_rsn_ie = NULL;
2237 if (vap->iv_appie_wpa != NULL) {
2238 struct ieee80211_appie *appie =
2239 vap->iv_appie_wpa;
2240 uint8_t *data = appie->ie_data;
2241
2242 /* XXX ie length validate is painful, cheat */
2243 setwparsnie(vap, data, appie->ie_len);
2244 setwparsnie(vap, data + 2 + data[1],
2245 appie->ie_len - (2 + data[1]));
2246 }
2247 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2248 vap->iv_opmode == IEEE80211_M_IBSS) {
2249 /*
2250 * Must rebuild beacon frame as the update
2251 * mechanism doesn't handle WPA/RSN ie's.
2252 * Could extend it but it doesn't normally
2253 * change; this is just to deal with hostapd
2254 * plumbing the ie after the interface is up.
2255 */
2256 error = ENETRESET;
2257 }
2258 }
2259 break;
2260 default:
2261 error = EINVAL;
2262 break;
2263 }
2264 return error;
2265}
2266
2267static __noinline int
2268ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2269 const struct ieee80211req *ireq)
2270{
2271 struct ieee80211com *ic = vap->iv_ic;
2272 int error;
2273 uint8_t fc0;
2274
2275 fc0 = ireq->i_val & 0xff;
2276 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2277 return EINVAL;
2278 /* NB: could check iv_opmode and reject but hardly worth the effort */
2279 IEEE80211_LOCK(ic);
2280 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2281 IEEE80211_UNLOCK(ic);
2282 return error;
2283}
2284
2285static __noinline int
2286ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2287{
2288 struct ieee80211com *ic = vap->iv_ic;
2289 struct ieee80211_chanswitch_req csr;
2290 struct ieee80211_channel *c;
2291 int error;
2292
2293 if (ireq->i_len != sizeof(csr))
2294 return EINVAL;
2295 error = copyin(ireq->i_data, &csr, sizeof(csr));
2296 if (error != 0)
2297 return error;
2298 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
2299 return EINVAL;
2300 c = ieee80211_find_channel(ic,
2301 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2302 if (c == NULL)
2303 return ENOENT;
2304 IEEE80211_LOCK(ic);
2305 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2306 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2307 else
2308 error = EBUSY;
2309 IEEE80211_UNLOCK(ic);
2310 return error;
2311}
2312
2313static __noinline int
2314ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2315{
2316#define IEEE80211_IOC_SCAN_FLAGS \
2317 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2318 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2319 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2320 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2321 IEEE80211_IOC_SCAN_CHECK)
2322 struct ieee80211com *ic = vap->iv_ic;
2323 struct ieee80211_scan_req sr; /* XXX off stack? */
2324 int error, i;
2325
2326 /* NB: parent must be running */
2327 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
2328 return ENXIO;
2329
2330 if (ireq->i_len != sizeof(sr))
2331 return EINVAL;
2332 error = copyin(ireq->i_data, &sr, sizeof(sr));
2333 if (error != 0)
2334 return error;
2335 /* convert duration */
2336 if (sr.sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2337 sr.sr_duration = IEEE80211_SCAN_FOREVER;
2338 else {
2339 if (sr.sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2340 sr.sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2341 return EINVAL;
2342 sr.sr_duration = msecs_to_ticks(sr.sr_duration);
2343 if (sr.sr_duration < 1)
2344 sr.sr_duration = 1;
2345 }
2346 /* convert min/max channel dwell */
2347 if (sr.sr_mindwell != 0) {
2348 sr.sr_mindwell = msecs_to_ticks(sr.sr_mindwell);
2349 if (sr.sr_mindwell < 1)
2350 sr.sr_mindwell = 1;
2351 }
2352 if (sr.sr_maxdwell != 0) {
2353 sr.sr_maxdwell = msecs_to_ticks(sr.sr_maxdwell);
2354 if (sr.sr_maxdwell < 1)
2355 sr.sr_maxdwell = 1;
2356 }
2357 /* NB: silently reduce ssid count to what is supported */
2358 if (sr.sr_nssid > IEEE80211_SCAN_MAX_SSID)
2359 sr.sr_nssid = IEEE80211_SCAN_MAX_SSID;
2360 for (i = 0; i < sr.sr_nssid; i++)
2361 if (sr.sr_ssid[i].len > IEEE80211_NWID_LEN)
2362 return EINVAL;
2363 /* cleanse flags just in case, could reject if invalid flags */
2364 sr.sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2365 /*
2366 * Add an implicit NOPICK if the vap is not marked UP. This
2367 * allows applications to scan without joining a bss (or picking
2368 * a channel and setting up a bss) and without forcing manual
2369 * roaming mode--you just need to mark the parent device UP.
2370 */
2371 if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2372 sr.sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2373
2374 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2375 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2376 __func__, sr.sr_flags,
2377 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2378 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, sr.sr_nssid);
2379 /*
2380 * If we are in INIT state then the driver has never had a chance
2381 * to setup hardware state to do a scan; we must use the state
2382 * machine to get us up to the SCAN state but once we reach SCAN
2383 * state we then want to use the supplied params. Stash the
2384 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2385 * state machines will recognize this and use the stashed params
2386 * to issue the scan request.
2387 *
2388 * Otherwise just invoke the scan machinery directly.
2389 */
2390 IEEE80211_LOCK(ic);
2391 if (vap->iv_state == IEEE80211_S_INIT) {
2392 /* NB: clobbers previous settings */
2393 vap->iv_scanreq_flags = sr.sr_flags;
2394 vap->iv_scanreq_duration = sr.sr_duration;
2395 vap->iv_scanreq_nssid = sr.sr_nssid;
2396 for (i = 0; i < sr.sr_nssid; i++) {
2397 vap->iv_scanreq_ssid[i].len = sr.sr_ssid[i].len;
2398 memcpy(vap->iv_scanreq_ssid[i].ssid, sr.sr_ssid[i].ssid,
2399 sr.sr_ssid[i].len);
2400 }
2401 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2402 IEEE80211_UNLOCK(ic);
2403 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2404 } else {
2405 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2406 IEEE80211_UNLOCK(ic);
2407 /* XXX neeed error return codes */
2408 if (sr.sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2409 (void) ieee80211_check_scan(vap, sr.sr_flags,
2410 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell,
2411 sr.sr_nssid,
2412 /* NB: cheat, we assume structures are compatible */
2413 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]);
2414 } else {
2415 (void) ieee80211_start_scan(vap, sr.sr_flags,
2416 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell,
2417 sr.sr_nssid,
2418 /* NB: cheat, we assume structures are compatible */
2419 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]);
2420 }
2421 }
2422 return error;
2423#undef IEEE80211_IOC_SCAN_FLAGS
2424}
2425
2426static __noinline int
2427ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2428{
2429 struct ieee80211_node *ni;
2430 struct ieee80211req_sta_vlan vlan;
2431 int error;
2432
2433 if (ireq->i_len != sizeof(vlan))
2434 return EINVAL;
2435 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2436 if (error != 0)
2437 return error;
2438 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2439 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2440 vlan.sv_macaddr);
2441 if (ni == NULL)
2442 return ENOENT;
2443 } else
2444 ni = ieee80211_ref_node(vap->iv_bss);
2445 ni->ni_vlan = vlan.sv_vlan;
2446 ieee80211_free_node(ni);
2447 return error;
2448}
2449
2450static int
2451isvap11g(const struct ieee80211vap *vap)
2452{
2453 const struct ieee80211_node *bss = vap->iv_bss;
2454 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2455 IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2456}
2457
2458static int
2459isvapht(const struct ieee80211vap *vap)
2460{
2461 const struct ieee80211_node *bss = vap->iv_bss;
2462 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2463 IEEE80211_IS_CHAN_HT(bss->ni_chan);
2464}
2465
2466static __noinline int
2467ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2468{
2469 struct ieee80211com *ic = vap->iv_ic;
2470 int error;
2471 const struct ieee80211_authenticator *auth;
2472 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2473 char tmpssid[IEEE80211_NWID_LEN];
2474 uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2475 struct ieee80211_key *k;
2476 u_int kid;
2477 uint32_t flags;
2478
2479 error = 0;
2480 switch (ireq->i_type) {
2481 case IEEE80211_IOC_SSID:
2482 if (ireq->i_val != 0 ||
2483 ireq->i_len > IEEE80211_NWID_LEN)
2484 return EINVAL;
2485 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2486 if (error)
2487 break;
2488 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2489 vap->iv_des_ssid[0].len = ireq->i_len;
2490 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2491 vap->iv_des_nssid = (ireq->i_len > 0);
2492 error = ENETRESET;
2493 break;
2494 case IEEE80211_IOC_WEP:
2495 switch (ireq->i_val) {
2496 case IEEE80211_WEP_OFF:
2497 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2498 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2499 break;
2500 case IEEE80211_WEP_ON:
2501 vap->iv_flags |= IEEE80211_F_PRIVACY;
2502 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2503 break;
2504 case IEEE80211_WEP_MIXED:
2505 vap->iv_flags |= IEEE80211_F_PRIVACY;
2506 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2507 break;
2508 }
2509 error = ENETRESET;
2510 break;
2511 case IEEE80211_IOC_WEPKEY:
2512 kid = (u_int) ireq->i_val;
2513 if (kid >= IEEE80211_WEP_NKID)
2514 return EINVAL;
2515 k = &vap->iv_nw_keys[kid];
2516 if (ireq->i_len == 0) {
2517 /* zero-len =>'s delete any existing key */
2518 (void) ieee80211_crypto_delkey(vap, k);
2519 break;
2520 }
2521 if (ireq->i_len > sizeof(tmpkey))
2522 return EINVAL;
2523 memset(tmpkey, 0, sizeof(tmpkey));
2524 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2525 if (error)
2526 break;
2527 ieee80211_key_update_begin(vap);
2528 k->wk_keyix = kid; /* NB: force fixed key id */
2529 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2530 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2531 k->wk_keylen = ireq->i_len;
2532 memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2533 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2534 if (!ieee80211_crypto_setkey(vap, k))
2535 error = EINVAL;
2536 } else
2537 error = EINVAL;
2538 ieee80211_key_update_end(vap);
2539 break;
2540 case IEEE80211_IOC_WEPTXKEY:
2541 kid = (u_int) ireq->i_val;
2542 if (kid >= IEEE80211_WEP_NKID &&
2543 (uint16_t) kid != IEEE80211_KEYIX_NONE)
2544 return EINVAL;
2545 vap->iv_def_txkey = kid;
2546 break;
2547 case IEEE80211_IOC_AUTHMODE:
2548 switch (ireq->i_val) {
2549 case IEEE80211_AUTH_WPA:
2550 case IEEE80211_AUTH_8021X: /* 802.1x */
2551 case IEEE80211_AUTH_OPEN: /* open */
2552 case IEEE80211_AUTH_SHARED: /* shared-key */
2553 case IEEE80211_AUTH_AUTO: /* auto */
2554 auth = ieee80211_authenticator_get(ireq->i_val);
2555 if (auth == NULL)
2556 return EINVAL;
2557 break;
2558 default:
2559 return EINVAL;
2560 }
2561 switch (ireq->i_val) {
2562 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
2563 vap->iv_flags |= IEEE80211_F_PRIVACY;
2564 ireq->i_val = IEEE80211_AUTH_8021X;
2565 break;
2566 case IEEE80211_AUTH_OPEN: /* open */
2567 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2568 break;
2569 case IEEE80211_AUTH_SHARED: /* shared-key */
2570 case IEEE80211_AUTH_8021X: /* 802.1x */
2571 vap->iv_flags &= ~IEEE80211_F_WPA;
2572 /* both require a key so mark the PRIVACY capability */
2573 vap->iv_flags |= IEEE80211_F_PRIVACY;
2574 break;
2575 case IEEE80211_AUTH_AUTO: /* auto */
2576 vap->iv_flags &= ~IEEE80211_F_WPA;
2577 /* XXX PRIVACY handling? */
2578 /* XXX what's the right way to do this? */
2579 break;
2580 }
2581 /* NB: authenticator attach/detach happens on state change */
2582 vap->iv_bss->ni_authmode = ireq->i_val;
2583 /* XXX mixed/mode/usage? */
2584 vap->iv_auth = auth;
2585 error = ENETRESET;
2586 break;
2587 case IEEE80211_IOC_CHANNEL:
2588 error = ieee80211_ioctl_setchannel(vap, ireq);
2589 break;
2590 case IEEE80211_IOC_POWERSAVE:
2591 switch (ireq->i_val) {
2592 case IEEE80211_POWERSAVE_OFF:
2593 if (vap->iv_flags & IEEE80211_F_PMGTON) {
2594 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2595 error = ERESTART;
2596 }
2597 break;
2598 case IEEE80211_POWERSAVE_ON:
2599 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2600 error = EOPNOTSUPP;
2601 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2602 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2603 error = ERESTART;
2604 }
2605 break;
2606 default:
2607 error = EINVAL;
2608 break;
2609 }
2610 break;
2611 case IEEE80211_IOC_POWERSAVESLEEP:
2612 if (ireq->i_val < 0)
2613 return EINVAL;
2614 ic->ic_lintval = ireq->i_val;
2615 error = ERESTART;
2616 break;
2617 case IEEE80211_IOC_RTSTHRESHOLD:
2618 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2619 ireq->i_val <= IEEE80211_RTS_MAX))
2620 return EINVAL;
2621 vap->iv_rtsthreshold = ireq->i_val;
2622 error = ERESTART;
2623 break;
2624 case IEEE80211_IOC_PROTMODE:
2625 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2626 return EINVAL;
2627 ic->ic_protmode = ireq->i_val;
2628 /* NB: if not operating in 11g this can wait */
2629 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2630 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2631 error = ERESTART;
2632 break;
2633 case IEEE80211_IOC_TXPOWER:
2634 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2635 return EOPNOTSUPP;
2636 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2637 ireq->i_val <= IEEE80211_TXPOWER_MAX))
2638 return EINVAL;
2639 ic->ic_txpowlimit = ireq->i_val;
2640 error = ERESTART;
2641 break;
2642 case IEEE80211_IOC_ROAMING:
2643 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2644 ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2645 return EINVAL;
2646 vap->iv_roaming = ireq->i_val;
2647 /* XXXX reset? */
2648 break;
2649 case IEEE80211_IOC_PRIVACY:
2650 if (ireq->i_val) {
2651 /* XXX check for key state? */
2652 vap->iv_flags |= IEEE80211_F_PRIVACY;
2653 } else
2654 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2655 /* XXX ERESTART? */
2656 break;
2657 case IEEE80211_IOC_DROPUNENCRYPTED:
2658 if (ireq->i_val)
2659 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2660 else
2661 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2662 /* XXX ERESTART? */
2663 break;
2664 case IEEE80211_IOC_WPAKEY:
2665 error = ieee80211_ioctl_setkey(vap, ireq);
2666 break;
2667 case IEEE80211_IOC_DELKEY:
2668 error = ieee80211_ioctl_delkey(vap, ireq);
2669 break;
2670 case IEEE80211_IOC_MLME:
2671 error = ieee80211_ioctl_setmlme(vap, ireq);
2672 break;
2673 case IEEE80211_IOC_COUNTERMEASURES:
2674 if (ireq->i_val) {
2675 if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2676 return EOPNOTSUPP;
2677 vap->iv_flags |= IEEE80211_F_COUNTERM;
2678 } else
2679 vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2680 /* XXX ERESTART? */
2681 break;
2682 case IEEE80211_IOC_WPA:
2683 if (ireq->i_val > 3)
2684 return EINVAL;
2685 /* XXX verify ciphers available */
2686 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2687 switch (ireq->i_val) {
2688 case 1:
2689 if (!(vap->iv_caps & IEEE80211_C_WPA1))
2690 return EOPNOTSUPP;
2691 flags |= IEEE80211_F_WPA1;
2692 break;
2693 case 2:
2694 if (!(vap->iv_caps & IEEE80211_C_WPA2))
2695 return EOPNOTSUPP;
2696 flags |= IEEE80211_F_WPA2;
2697 break;
2698 case 3:
2699 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2700 return EOPNOTSUPP;
2701 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2702 break;
2703 default: /* Can't set any -> error */
2704 return EOPNOTSUPP;
2705 }
2706 vap->iv_flags = flags;
2707 error = ERESTART; /* NB: can change beacon frame */
2708 break;
2709 case IEEE80211_IOC_WME:
2710 if (ireq->i_val) {
2711 if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2712 return EOPNOTSUPP;
2713 ieee80211_syncflag(vap, IEEE80211_F_WME);
2714 } else
2715 ieee80211_syncflag(vap, -IEEE80211_F_WME);
2716 error = ERESTART; /* NB: can change beacon frame */
2717 break;
2718 case IEEE80211_IOC_HIDESSID:
2719 if (ireq->i_val)
2720 vap->iv_flags |= IEEE80211_F_HIDESSID;
2721 else
2722 vap->iv_flags &= ~IEEE80211_F_HIDESSID;
2723 error = ERESTART; /* XXX ENETRESET? */
2724 break;
2725 case IEEE80211_IOC_APBRIDGE:
2726 if (ireq->i_val == 0)
2727 vap->iv_flags |= IEEE80211_F_NOBRIDGE;
2728 else
2729 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
2730 break;
2731 case IEEE80211_IOC_BSSID:
2732 if (ireq->i_len != sizeof(tmpbssid))
2733 return EINVAL;
2734 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2735 if (error)
2736 break;
2737 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
2738 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
2739 vap->iv_flags &= ~IEEE80211_F_DESBSSID;
2740 else
2741 vap->iv_flags |= IEEE80211_F_DESBSSID;
2742 error = ENETRESET;
2743 break;
2744 case IEEE80211_IOC_CHANLIST:
2745 error = ieee80211_ioctl_setchanlist(vap, ireq);
2746 break;
2747#define OLD_IEEE80211_IOC_SCAN_REQ 23
2748#ifdef OLD_IEEE80211_IOC_SCAN_REQ
2749 case OLD_IEEE80211_IOC_SCAN_REQ:
2750 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2751 "%s: active scan request\n", __func__);
2752 /*
2753 * If we are in INIT state then the driver has never
2754 * had a chance to setup hardware state to do a scan;
2755 * use the state machine to get us up the SCAN state.
2756 * Otherwise just invoke the scan machinery to start
2757 * a one-time scan.
2758 */
2759 if (vap->iv_state == IEEE80211_S_INIT)
2760 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2761 else
2762 (void) ieee80211_start_scan(vap,
2763 IEEE80211_SCAN_ACTIVE |
2764 IEEE80211_SCAN_NOPICK |
2765 IEEE80211_SCAN_ONCE,
2766 IEEE80211_SCAN_FOREVER, 0, 0,
2767 /* XXX use ioctl params */
2768 vap->iv_des_nssid, vap->iv_des_ssid);
2769 break;
2770#endif /* OLD_IEEE80211_IOC_SCAN_REQ */
2771 case IEEE80211_IOC_SCAN_REQ:
2772 error = ieee80211_ioctl_scanreq(vap, ireq);
2773 break;
2774 case IEEE80211_IOC_SCAN_CANCEL:
2775 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2776 "%s: cancel scan\n", __func__);
2777 ieee80211_cancel_scan(vap);
2778 break;
2779 case IEEE80211_IOC_HTCONF:
2780 if (ireq->i_val & 1)
2781 ieee80211_syncflag_ext(vap, IEEE80211_FEXT_HT);
2782 else
2783 ieee80211_syncflag_ext(vap, -IEEE80211_FEXT_HT);
2784 if (ireq->i_val & 2)
2785 ieee80211_syncflag_ext(vap, IEEE80211_FEXT_USEHT40);
2786 else
2787 ieee80211_syncflag_ext(vap, -IEEE80211_FEXT_USEHT40);
2788 error = ENETRESET;
2789 break;
2790 case IEEE80211_IOC_ADDMAC:
2791 case IEEE80211_IOC_DELMAC:
2792 error = ieee80211_ioctl_macmac(vap, ireq);
2793 break;
2794 case IEEE80211_IOC_MACCMD:
2795 error = ieee80211_ioctl_setmaccmd(vap, ireq);
2796 break;
2797 case IEEE80211_IOC_STA_STATS:
2798 error = ieee80211_ioctl_setstastats(vap, ireq);
2799 break;
2800 case IEEE80211_IOC_STA_TXPOW:
2801 error = ieee80211_ioctl_setstatxpow(vap, ireq);
2802 break;
2803 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
2804 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
2805 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
2806 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
2807 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
2808 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
2809 error = ieee80211_ioctl_setwmeparam(vap, ireq);
2810 break;
2811 case IEEE80211_IOC_DTIM_PERIOD:
2812 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2813 vap->iv_opmode != IEEE80211_M_IBSS)
2814 return EINVAL;
2815 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
2816 ireq->i_val <= IEEE80211_DTIM_MAX) {
2817 vap->iv_dtim_period = ireq->i_val;
2818 error = ENETRESET; /* requires restart */
2819 } else
2820 error = EINVAL;
2821 break;
2822 case IEEE80211_IOC_BEACON_INTERVAL:
2823 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2824 vap->iv_opmode != IEEE80211_M_IBSS)
2825 return EINVAL;
2826 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
2827 ireq->i_val <= IEEE80211_BINTVAL_MAX) {
2828 ic->ic_bintval = ireq->i_val;
2829 error = ENETRESET; /* requires restart */
2830 } else
2831 error = EINVAL;
2832 break;
2833 case IEEE80211_IOC_PUREG:
2834 if (ireq->i_val)
2835 vap->iv_flags |= IEEE80211_F_PUREG;
2836 else
2837 vap->iv_flags &= ~IEEE80211_F_PUREG;
2838 /* NB: reset only if we're operating on an 11g channel */
2839 if (isvap11g(vap))
2840 error = ENETRESET;
2841 break;
2842 case IEEE80211_IOC_FF:
2843 if (ireq->i_val) {
2844 if ((vap->iv_caps & IEEE80211_C_FF) == 0)
2845 return EOPNOTSUPP;
2846 vap->iv_flags |= IEEE80211_F_FF;
2847 } else
2848 vap->iv_flags &= ~IEEE80211_F_FF;
2849 error = ERESTART;
2850 break;
2851 case IEEE80211_IOC_TURBOP:
2852 if (ireq->i_val) {
2853 if ((vap->iv_caps & IEEE80211_C_TURBOP) == 0)
2854 return EOPNOTSUPP;
2855 vap->iv_flags |= IEEE80211_F_TURBOP;
2856 } else
2857 vap->iv_flags &= ~IEEE80211_F_TURBOP;
2858 error = ENETRESET;
2859 break;
2860 case IEEE80211_IOC_BGSCAN:
2861 if (ireq->i_val) {
2862 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
2863 return EOPNOTSUPP;
2864 vap->iv_flags |= IEEE80211_F_BGSCAN;
2865 } else
2866 vap->iv_flags &= ~IEEE80211_F_BGSCAN;
2867 break;
2868 case IEEE80211_IOC_BGSCAN_IDLE:
2869 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
2870 vap->iv_bgscanidle = ireq->i_val*hz/1000;
2871 else
2872 error = EINVAL;
2873 break;
2874 case IEEE80211_IOC_BGSCAN_INTERVAL:
2875 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
2876 vap->iv_bgscanintvl = ireq->i_val*hz;
2877 else
2878 error = EINVAL;
2879 break;
2880 case IEEE80211_IOC_SCANVALID:
2881 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
2882 vap->iv_scanvalid = ireq->i_val*hz;
2883 else
2884 error = EINVAL;
2885 break;
2886 case IEEE80211_IOC_FRAGTHRESHOLD:
2887 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
2888 ireq->i_val != IEEE80211_FRAG_MAX)
2889 return EOPNOTSUPP;
2890 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
2891 ireq->i_val <= IEEE80211_FRAG_MAX))
2892 return EINVAL;
2893 vap->iv_fragthreshold = ireq->i_val;
2894 error = ERESTART;
2895 break;
2896 case IEEE80211_IOC_BURST:
2897 if (ireq->i_val) {
2898 if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
2899 return EOPNOTSUPP;
2900 ieee80211_syncflag(vap, IEEE80211_F_BURST);
2901 } else
2902 ieee80211_syncflag(vap, -IEEE80211_F_BURST);
2903 error = ERESTART;
2904 break;
2905 case IEEE80211_IOC_BMISSTHRESHOLD:
2906 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
2907 ireq->i_val <= IEEE80211_HWBMISS_MAX))
2908 return EINVAL;
2909 vap->iv_bmissthreshold = ireq->i_val;
2910 error = ERESTART;
2911 break;
2912 case IEEE80211_IOC_CURCHAN:
2913 error = ieee80211_ioctl_setcurchan(vap, ireq);
2914 break;
2915 case IEEE80211_IOC_SHORTGI:
2916 if (ireq->i_val) {
2917#define IEEE80211_HTCAP_SHORTGI \
2918 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
2919 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
2920 return EINVAL;
2921 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
2922 vap->iv_flags_ext |= IEEE80211_FEXT_SHORTGI20;
2923 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
2924 vap->iv_flags_ext |= IEEE80211_FEXT_SHORTGI40;
2925#undef IEEE80211_HTCAP_SHORTGI
2926 } else
2927 vap->iv_flags_ext &=
2928 ~(IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40);
2929 error = ERESTART;
2930 break;
2931 case IEEE80211_IOC_AMPDU:
2932 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
2933 return EINVAL;
2934 if (ireq->i_val & 1)
2935 vap->iv_flags_ext |= IEEE80211_FEXT_AMPDU_TX;
2936 else
2937 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMPDU_TX;
2938 if (ireq->i_val & 2)
2939 vap->iv_flags_ext |= IEEE80211_FEXT_AMPDU_RX;
2940 else
2941 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMPDU_RX;
2942 /* NB: reset only if we're operating on an 11n channel */
2943 if (isvapht(vap))
2944 error = ERESTART;
2945 break;
2946 case IEEE80211_IOC_AMPDU_LIMIT:
2947 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
2948 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
2949 return EINVAL;
2950 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2951 vap->iv_ampdu_rxmax = ireq->i_val;
2952 else
2953 vap->iv_ampdu_limit = ireq->i_val;
2954 error = ERESTART;
2955 break;
2956 case IEEE80211_IOC_AMPDU_DENSITY:
2957 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
2958 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
2959 return EINVAL;
2960 vap->iv_ampdu_density = ireq->i_val;
2961 error = ERESTART;
2962 break;
2963 case IEEE80211_IOC_AMSDU:
2964 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
2965 return EINVAL;
2966 if (ireq->i_val & 1)
2967 vap->iv_flags_ext |= IEEE80211_FEXT_AMSDU_TX;
2968 else
2969 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMSDU_TX;
2970 if (ireq->i_val & 2)
2971 vap->iv_flags_ext |= IEEE80211_FEXT_AMSDU_RX;
2972 else
2973 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMSDU_RX;
2974 /* NB: reset only if we're operating on an 11n channel */
2975 if (isvapht(vap))
2976 error = ERESTART;
2977 break;
2978 case IEEE80211_IOC_AMSDU_LIMIT:
2979 /* XXX validate */
2980 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */
2981 break;
2982 case IEEE80211_IOC_PUREN:
2983 if (ireq->i_val) {
2984 if ((vap->iv_flags_ext & IEEE80211_FEXT_HT) == 0)
2985 return EINVAL;
2986 vap->iv_flags_ext |= IEEE80211_FEXT_PUREN;
2987 } else
2988 vap->iv_flags_ext &= ~IEEE80211_FEXT_PUREN;
2989 /* NB: reset only if we're operating on an 11n channel */
2990 if (isvapht(vap))
2991 error = ERESTART;
2992 break;
2993 case IEEE80211_IOC_DOTH:
2994 if (ireq->i_val) {
2995#if 0
2996 /* XXX no capability */
2997 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
2998 return EOPNOTSUPP;
2999#endif
3000 vap->iv_flags |= IEEE80211_F_DOTH;
3001 } else
3002 vap->iv_flags &= ~IEEE80211_F_DOTH;
3003 error = ENETRESET;
3004 break;
3005 case IEEE80211_IOC_REGDOMAIN:
3006 error = ieee80211_ioctl_setregdomain(vap, ireq);
3007 break;
3008 case IEEE80211_IOC_ROAM:
3009 error = ieee80211_ioctl_setroam(vap, ireq);
3010 break;
3011 case IEEE80211_IOC_TXPARAMS:
3012 error = ieee80211_ioctl_settxparams(vap, ireq);
3013 break;
3014 case IEEE80211_IOC_HTCOMPAT:
3015 if (ireq->i_val) {
3016 if ((vap->iv_flags_ext & IEEE80211_FEXT_HT) == 0)
3017 return EOPNOTSUPP;
3018 vap->iv_flags_ext |= IEEE80211_FEXT_HTCOMPAT;
3019 } else
3020 vap->iv_flags_ext &= ~IEEE80211_FEXT_HTCOMPAT;
3021 /* NB: reset only if we're operating on an 11n channel */
3022 if (isvapht(vap))
3023 error = ERESTART;
3024 break;
3025 case IEEE80211_IOC_DWDS:
3026 if (ireq->i_val) {
3027 /* NB: DWDS only makes sense for WDS-capable devices */
3028 if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3029 return EOPNOTSUPP;
3030 /* NB: DWDS is used only with ap+sta vaps */
3031 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3032 vap->iv_opmode != IEEE80211_M_STA)
3033 return EINVAL;
3034 vap->iv_flags |= IEEE80211_F_DWDS;
3035 } else
3036 vap->iv_flags &= ~IEEE80211_F_DWDS;
3037 break;
3038 case IEEE80211_IOC_INACTIVITY:
3039 if (ireq->i_val)
3040 vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3041 else
3042 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3043 break;
3044 case IEEE80211_IOC_APPIE:
3045 error = ieee80211_ioctl_setappie(vap, ireq);
3046 break;
3047 case IEEE80211_IOC_WPS:
3048 if (ireq->i_val) {
3049 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3050 return EOPNOTSUPP;
3051 vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3052 } else
3053 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3054 break;
3055 case IEEE80211_IOC_TSN:
3056 if (ireq->i_val) {
3057 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3058 return EOPNOTSUPP;
3059 vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3060 } else
3061 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3062 break;
3063 case IEEE80211_IOC_CHANSWITCH:
3064 error = ieee80211_ioctl_chanswitch(vap, ireq);
3065 break;
3066 case IEEE80211_IOC_DFS:
3067 if (ireq->i_val) {
3068 if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3069 return EOPNOTSUPP;
3070 /* NB: DFS requires 11h support */
3071 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3072 return EINVAL;
3073 vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3074 } else
3075 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3076 break;
3077 case IEEE80211_IOC_DOTD:
3078 if (ireq->i_val)
3079 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3080 else
3081 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3082 if (vap->iv_opmode == IEEE80211_M_STA)
3083 error = ENETRESET;
3084 break;
3085 case IEEE80211_IOC_HTPROTMODE:
3086 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3087 return EINVAL;
3088 ic->ic_htprotmode = ireq->i_val ?
3089 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3090 /* NB: if not operating in 11n this can wait */
3091 if (isvapht(vap))
3092 error = ERESTART;
3093 break;
3094 case IEEE80211_IOC_STA_VLAN:
3095 error = ieee80211_ioctl_setstavlan(vap, ireq);
3096 break;
3097 case IEEE80211_IOC_SMPS:
3098 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3099 ireq->i_val == 0x0008) /* value of 2 is reserved */
3100 return EINVAL;
3101 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3102 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3103 return EOPNOTSUPP;
3104 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3105 ireq->i_val;
3106 /* NB: if not operating in 11n this can wait */
3107 if (isvapht(vap))
3108 error = ERESTART;
3109 break;
3110 case IEEE80211_IOC_RIFS:
3111 if (ireq->i_val != 0) {
3112 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3113 return EOPNOTSUPP;
3114 vap->iv_flags_ext |= IEEE80211_FEXT_RIFS;
3115 } else
3116 vap->iv_flags_ext &= ~IEEE80211_FEXT_RIFS;
3117 /* NB: if not operating in 11n this can wait */
3118 if (isvapht(vap))
3119 error = ERESTART;
3120 break;
3121#ifdef IEEE80211_SUPPORT_TDMA
3122 case IEEE80211_IOC_TDMA_SLOT:
3123 case IEEE80211_IOC_TDMA_SLOTCNT:
3124 case IEEE80211_IOC_TDMA_SLOTLEN:
3125 case IEEE80211_IOC_TDMA_BINTERVAL:
3126 error = ieee80211_tdma_ioctl_set80211(vap, ireq);
3127 break;
3128#endif
3129 default:
3130 error = EINVAL;
3131 break;
3132 }
3133 /*
3134 * The convention is that ENETRESET means an operation
3135 * requires a complete re-initialization of the device (e.g.
3136 * changing something that affects the association state).
3137 * ERESTART means the request may be handled with only a
3138 * reload of the hardware state. We hand ERESTART requests
3139 * to the iv_reset callback so the driver can decide. If
3140 * a device does not fillin iv_reset then it defaults to one
3141 * that returns ENETRESET. Otherwise a driver may return
3142 * ENETRESET (in which case a full reset will be done) or
3143 * 0 to mean there's no need to do anything (e.g. when the
3144 * change has no effect on the driver/device).
3145 */
3146 if (error == ERESTART)
3147 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3148 vap->iv_reset(vap, ireq->i_type) : 0;
3149 if (error == ENETRESET) {
3150 /* XXX need to re-think AUTO handling */
3151 if (IS_UP_AUTO(vap))
3152 ieee80211_init(vap);
3153 error = 0;
3154 }
3155 return error;
3156}
3157
3158/*
3159 * Rebuild the parent's multicast address list after an add/del
3160 * of a multicast address for a vap. We have no way to tell
3161 * what happened above to optimize the work so we purge the entire
3162 * list and rebuild from scratch. This is way expensive.
3163 * Note also the half-baked workaround for if_addmulti calling
3164 * back to the parent device; there's no way to insert mcast
3165 * entries quietly and/or cheaply.
3166 */
3167static void
3168ieee80211_ioctl_updatemulti(struct ieee80211com *ic)
3169{
3170 struct ifnet *parent = ic->ic_ifp;
3171 struct ieee80211vap *vap;
3172 void *ioctl;
3173
3174 IEEE80211_LOCK(ic);
3175 if_purgemaddrs(parent);
3176 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */
3177 parent->if_ioctl = NULL;
3178 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
3179 struct ifnet *ifp = vap->iv_ifp;
3180 struct ifmultiaddr *ifma;
3181
3182 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
3183 (void) if_addmulti(parent, ifma->ifma_addr, NULL);
3184 }
3185 parent->if_ioctl = ioctl;
3186
3187 ic->ic_update_mcast(ic->ic_ifp);
3188 IEEE80211_UNLOCK(ic);
3189}
3190
3191int
3192ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3193{
3194 struct ieee80211vap *vap;
3195 struct ieee80211com *ic;
3196 int error = 0;
3197 struct ifreq *ifr;
3198 struct ifaddr *ifa; /* XXX */
3199
3200 vap = ifp->if_softc;
3201 if (vap == NULL) {
3202 /*
3203 * During detach we clear the backpointer in the softc
3204 * so any ioctl request through the ifnet that arrives
3205 * before teardown is ignored/rejected. In particular
3206 * this hack handles destroying a vap used by an app
3207 * like wpa_supplicant that will respond to the vap
3208 * being forced into INIT state by immediately trying
3209 * to force it back up. We can yank this hack if/when
3210 * we can destroy the ifnet before cleaning up vap state.
3211 */
3212 return ENXIO;
3213 }
3214 switch (cmd) {
3215 case SIOCSIFFLAGS:
3216 ic = vap->iv_ic;
3217 IEEE80211_LOCK(ic);
3218 ieee80211_syncifflag_locked(ic, IFF_PROMISC);
3219 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI);
3220 if (ifp->if_flags & IFF_UP) {
3221 /*
3222 * Bring ourself up unless we're already operational.
3223 * If we're the first vap and the parent is not up
3224 * then it will automatically be brought up as a
3225 * side-effect of bringing ourself up.
3226 */
3227 if (vap->iv_state == IEEE80211_S_INIT)
3228 ieee80211_start_locked(vap);
3229 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3230 /*
3231 * Stop ourself. If we are the last vap to be
3232 * marked down the parent will also be taken down.
3233 */
3234 ieee80211_stop_locked(vap);
3235 }
3236 IEEE80211_UNLOCK(ic);
3237 /* Wait for parent ioctl handler if it was queued */
3238 taskqueue_drain(taskqueue_thread, &ic->ic_parent_task);
3239 break;
3240 case SIOCADDMULTI:
3241 case SIOCDELMULTI:
3242 ieee80211_ioctl_updatemulti(vap->iv_ic);
3243 break;
3244 case SIOCSIFMEDIA:
3245 case SIOCGIFMEDIA:
3246 ifr = (struct ifreq *)data;
3247 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3248 break;
3249 case SIOCG80211:
3250 error = ieee80211_ioctl_get80211(vap, cmd,
3251 (struct ieee80211req *) data);
3252 break;
3253 case SIOCS80211:
3254 error = priv_check(curthread, PRIV_NET80211_MANAGE);
3255 if (error == 0)
3256 error = ieee80211_ioctl_set80211(vap, cmd,
3257 (struct ieee80211req *) data);
3258 break;
3259 case SIOCG80211STATS:
3260 ifr = (struct ifreq *)data;
3261 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats));
3262 break;
3263 case SIOCSIFMTU:
3264 ifr = (struct ifreq *)data;
3265 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3266 ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3267 error = EINVAL;
3268 else
3269 ifp->if_mtu = ifr->ifr_mtu;
3270 break;
3271 case SIOCSIFADDR:
3272 /*
3273 * XXX Handle this directly so we can supress if_init calls.
3274 * XXX This should be done in ether_ioctl but for the moment
3275 * XXX there are too many other parts of the system that
3276 * XXX set IFF_UP and so supress if_init being called when
3277 * XXX it should be.
3278 */
3279 ifa = (struct ifaddr *) data;
3280 switch (ifa->ifa_addr->sa_family) {
3281#ifdef INET
3282 case AF_INET:
3283 if ((ifp->if_flags & IFF_UP) == 0) {
3284 ifp->if_flags |= IFF_UP;
3285 ifp->if_init(ifp->if_softc);
3286 }
3287 arp_ifinit(ifp, ifa);
3288 break;
3289#endif
3290#ifdef IPX
3291 /*
3292 * XXX - This code is probably wrong,
3293 * but has been copied many times.
3294 */
3295 case AF_IPX: {
3296 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
3297
3298 if (ipx_nullhost(*ina))
3299 ina->x_host = *(union ipx_host *)
3300 IF_LLADDR(ifp);
3301 else
3302 bcopy((caddr_t) ina->x_host.c_host,
3303 (caddr_t) IF_LLADDR(ifp),
3304 ETHER_ADDR_LEN);
3305 /* fall thru... */
3306 }
3307#endif
3308 default:
3309 if ((ifp->if_flags & IFF_UP) == 0) {
3310 ifp->if_flags |= IFF_UP;
3311 ifp->if_init(ifp->if_softc);
3312 }
3313 break;
3314 }
3315 break;
3316 /* Pass NDIS ioctls up to the driver */
3317 case SIOCGDRVSPEC:
3318 case SIOCSDRVSPEC:
3319 case SIOCGPRIVATE_0: {
3320 struct ifnet *parent = vap->iv_ic->ic_ifp;
3321 error = parent->if_ioctl(parent, cmd, data);
3322 break;
3323 }
3324 default:
3325 error = ether_ioctl(ifp, cmd, data);
3326 break;
3327 }
3328 return error;
3329}
|