2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
31 * IEEE 802.11 ioctl support (FreeBSD-specific)
38 #include <sys/endian.h>
39 #include <sys/param.h>
40 #include <sys/kernel.h>
42 #include <sys/socket.h>
43 #include <sys/sockio.h>
44 #include <sys/systm.h>
47 #include <net/if_dl.h>
48 #include <net/if_media.h>
49 #include <net/ethernet.h>
52 #include <netinet/in.h>
53 #include <netinet/if_ether.h>
57 #include <netipx/ipx.h>
58 #include <netipx/ipx_if.h>
61 #include <net80211/ieee80211_var.h>
62 #include <net80211/ieee80211_ioctl.h>
63 #include <net80211/ieee80211_regdomain.h>
64 #include <net80211/ieee80211_input.h>
66 #define IS_UP_AUTO(_vap) \
67 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \
68 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
70 static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
71 static struct ieee80211_channel *findchannel(struct ieee80211com *,
75 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
77 struct ieee80211com *ic = vap->iv_ic;
78 struct ieee80211_node *ni;
79 struct ieee80211req_key ik;
80 struct ieee80211_key *wk;
81 const struct ieee80211_cipher *cip;
85 if (ireq->i_len != sizeof(ik))
87 error = copyin(ireq->i_data, &ik, sizeof(ik));
91 if (kid == IEEE80211_KEYIX_NONE) {
92 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
95 wk = &ni->ni_ucastkey;
97 if (kid >= IEEE80211_WEP_NKID)
99 wk = &vap->iv_nw_keys[kid];
100 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
104 ik.ik_type = cip->ic_cipher;
105 ik.ik_keylen = wk->wk_keylen;
106 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
107 if (wk->wk_keyix == vap->iv_def_txkey)
108 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
109 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
110 /* NB: only root can read key data */
111 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
112 ik.ik_keytsc = wk->wk_keytsc;
113 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
114 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
115 memcpy(ik.ik_keydata+wk->wk_keylen,
116 wk->wk_key + IEEE80211_KEYBUF_SIZE,
117 IEEE80211_MICBUF_SIZE);
118 ik.ik_keylen += IEEE80211_MICBUF_SIZE;
123 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
126 ieee80211_free_node(ni);
127 return copyout(&ik, ireq->i_data, sizeof(ik));
130 static __noinline int
131 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
133 struct ieee80211com *ic = vap->iv_ic;
135 if (sizeof(ic->ic_chan_active) < ireq->i_len)
136 ireq->i_len = sizeof(ic->ic_chan_active);
137 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
140 static __noinline int
141 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
143 struct ieee80211com *ic = vap->iv_ic;
146 space = __offsetof(struct ieee80211req_chaninfo,
147 ic_chans[ic->ic_nchans]);
148 if (space > ireq->i_len)
150 /* XXX assumes compatible layout */
151 return copyout(&ic->ic_nchans, ireq->i_data, space);
154 static __noinline int
155 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
156 struct ieee80211req *ireq, int req)
158 struct ieee80211_node *ni;
159 struct ieee80211req_wpaie2 wpaie;
162 if (ireq->i_len < IEEE80211_ADDR_LEN)
164 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN);
167 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr);
170 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie));
171 if (ni->ni_ies.wpa_ie != NULL) {
172 int ielen = ni->ni_ies.wpa_ie[1] + 2;
173 if (ielen > sizeof(wpaie.wpa_ie))
174 ielen = sizeof(wpaie.wpa_ie);
175 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen);
177 if (req == IEEE80211_IOC_WPAIE2) {
178 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie));
179 if (ni->ni_ies.rsn_ie != NULL) {
180 int ielen = ni->ni_ies.rsn_ie[1] + 2;
181 if (ielen > sizeof(wpaie.rsn_ie))
182 ielen = sizeof(wpaie.rsn_ie);
183 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen);
185 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
186 ireq->i_len = sizeof(struct ieee80211req_wpaie2);
188 /* compatibility op, may overwrite wpa ie */
189 /* XXX check ic_flags? */
190 if (ni->ni_ies.rsn_ie != NULL) {
191 int ielen = ni->ni_ies.rsn_ie[1] + 2;
192 if (ielen > sizeof(wpaie.wpa_ie))
193 ielen = sizeof(wpaie.wpa_ie);
194 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen);
196 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
197 ireq->i_len = sizeof(struct ieee80211req_wpaie);
199 ieee80211_free_node(ni);
200 return copyout(&wpaie, ireq->i_data, ireq->i_len);
203 static __noinline int
204 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
206 struct ieee80211_node *ni;
207 uint8_t macaddr[IEEE80211_ADDR_LEN];
208 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats);
211 if (ireq->i_len < off)
213 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
216 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
219 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
220 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
221 /* NB: copy out only the statistics */
222 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
224 ieee80211_free_node(ni);
229 struct ieee80211req_scan_result *sr;
234 scan_space(const struct ieee80211_scan_entry *se, int *ielen)
238 *ielen = se->se_ies.len;
240 * NB: ie's can be no more than 255 bytes and the max 802.11
241 * packet is <3Kbytes so we are sure this doesn't overflow
242 * 16-bits; if this is a concern we can drop the ie's.
244 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + *ielen;
245 return roundup(len, sizeof(uint32_t));
249 get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
251 struct scanreq *req = arg;
254 req->space += scan_space(se, &ielen);
257 static __noinline void
258 get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
260 struct scanreq *req = arg;
261 struct ieee80211req_scan_result *sr;
262 int ielen, len, nr, nxr;
265 len = scan_space(se, &ielen);
266 if (len > req->space)
270 KASSERT(len <= 65535 && ielen <= 65535,
271 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
273 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
274 sr->isr_ie_len = ielen;
275 sr->isr_freq = se->se_chan->ic_freq;
276 sr->isr_flags = se->se_chan->ic_flags;
277 sr->isr_rssi = se->se_rssi;
278 sr->isr_noise = se->se_noise;
279 sr->isr_intval = se->se_intval;
280 sr->isr_capinfo = se->se_capinfo;
281 sr->isr_erp = se->se_erp;
282 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
283 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
284 memcpy(sr->isr_rates, se->se_rates+2, nr);
285 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
286 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
287 sr->isr_nrates = nr + nxr;
289 sr->isr_ssid_len = se->se_ssid[1];
290 cp = ((uint8_t *)sr) + sr->isr_ie_off;
291 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
294 cp += sr->isr_ssid_len;
295 memcpy(cp, se->se_ies.data, ielen);
299 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
302 static __noinline int
303 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
304 struct ieee80211req *ireq)
309 if (ireq->i_len < sizeof(struct scanreq))
314 ieee80211_scan_iterate(vap, get_scan_space, &req);
315 if (req.space > ireq->i_len)
316 req.space = ireq->i_len;
322 /* XXX M_WAITOK after driver lock released */
323 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO);
327 ieee80211_scan_iterate(vap, get_scan_result, &req);
328 ireq->i_len = space - req.space;
329 error = copyout(p, ireq->i_data, ireq->i_len);
338 struct ieee80211vap *vap;
339 struct ieee80211req_sta_info *si;
344 sta_space(const struct ieee80211_node *ni, size_t *ielen)
346 *ielen = ni->ni_ies.len;
347 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
352 get_sta_space(void *arg, struct ieee80211_node *ni)
354 struct stainforeq *req = arg;
357 if (req->vap != ni->ni_vap)
359 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
360 ni->ni_associd == 0) /* only associated stations */
362 req->space += sta_space(ni, &ielen);
365 static __noinline void
366 get_sta_info(void *arg, struct ieee80211_node *ni)
368 struct stainforeq *req = arg;
369 struct ieee80211vap *vap = ni->ni_vap;
370 struct ieee80211req_sta_info *si;
374 if (req->vap != ni->ni_vap)
376 if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
377 ni->ni_associd == 0) /* only associated stations */
379 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
381 len = sta_space(ni, &ielen);
382 if (len > req->space)
386 si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
387 si->isi_ie_len = ielen;
388 si->isi_freq = ni->ni_chan->ic_freq;
389 si->isi_flags = ni->ni_chan->ic_flags;
390 si->isi_state = ni->ni_flags;
391 si->isi_authmode = ni->ni_authmode;
392 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
393 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
394 si->isi_capinfo = ni->ni_capinfo;
395 si->isi_erp = ni->ni_erp;
396 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
397 si->isi_nrates = ni->ni_rates.rs_nrates;
398 if (si->isi_nrates > 15)
400 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
401 si->isi_txrate = ni->ni_txrate;
402 if (si->isi_txrate & IEEE80211_RATE_MCS) {
403 const struct ieee80211_mcs_rates *mcs =
404 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
405 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
406 if (ni->ni_flags & IEEE80211_NODE_SGI40)
407 si->isi_txmbps = mcs->ht40_rate_800ns;
409 si->isi_txmbps = mcs->ht40_rate_400ns;
411 if (ni->ni_flags & IEEE80211_NODE_SGI20)
412 si->isi_txmbps = mcs->ht20_rate_800ns;
414 si->isi_txmbps = mcs->ht20_rate_400ns;
417 si->isi_txmbps = si->isi_txrate;
418 si->isi_associd = ni->ni_associd;
419 si->isi_txpower = ni->ni_txpower;
420 si->isi_vlan = ni->ni_vlan;
421 if (ni->ni_flags & IEEE80211_NODE_QOS) {
422 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
423 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
425 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
426 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
428 /* NB: leave all cases in case we relax ni_associd == 0 check */
429 if (ieee80211_node_is_authorized(ni))
430 si->isi_inact = vap->iv_inact_run;
431 else if (ni->ni_associd != 0 ||
432 (vap->iv_opmode == IEEE80211_M_WDS &&
433 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
434 si->isi_inact = vap->iv_inact_auth;
436 si->isi_inact = vap->iv_inact_init;
437 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
440 cp = ((uint8_t *)si) + si->isi_ie_off;
441 memcpy(cp, ni->ni_ies.data, ielen);
444 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
448 static __noinline int
449 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
450 struct ieee80211_node *ni, int off)
452 struct ieee80211com *ic = vap->iv_ic;
453 struct stainforeq req;
462 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
464 get_sta_space(&req, ni);
465 if (req.space > ireq->i_len)
466 req.space = ireq->i_len;
469 /* XXX M_WAITOK after driver lock released */
470 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO);
477 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
479 get_sta_info(&req, ni);
480 ireq->i_len = space - req.space;
481 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
487 ieee80211_free_node(ni);
491 static __noinline int
492 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
494 uint8_t macaddr[IEEE80211_ADDR_LEN];
495 const int off = __offsetof(struct ieee80211req_sta_req, info);
496 struct ieee80211_node *ni;
499 if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
501 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
504 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
507 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
511 return getstainfo_common(vap, ireq, ni, off);
514 static __noinline int
515 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
517 struct ieee80211_node *ni;
518 struct ieee80211req_sta_txpow txpow;
521 if (ireq->i_len != sizeof(txpow))
523 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
526 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
529 txpow.it_txpow = ni->ni_txpower;
530 error = copyout(&txpow, ireq->i_data, sizeof(txpow));
531 ieee80211_free_node(ni);
535 static __noinline int
536 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
538 struct ieee80211com *ic = vap->iv_ic;
539 struct ieee80211_wme_state *wme = &ic->ic_wme;
540 struct wmeParams *wmep;
543 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
546 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
547 if (ac >= WME_NUM_AC)
549 if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
550 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
552 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
553 switch (ireq->i_type) {
554 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
555 ireq->i_val = wmep->wmep_logcwmin;
557 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
558 ireq->i_val = wmep->wmep_logcwmax;
560 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
561 ireq->i_val = wmep->wmep_aifsn;
563 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
564 ireq->i_val = wmep->wmep_txopLimit;
566 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
567 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
568 ireq->i_val = wmep->wmep_acm;
570 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
571 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
572 ireq->i_val = !wmep->wmep_noackPolicy;
578 static __noinline int
579 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
581 const struct ieee80211_aclator *acl = vap->iv_acl;
583 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
586 static __noinline int
587 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
589 struct ieee80211com *ic = vap->iv_ic;
590 struct ieee80211_channel *c;
592 if (ireq->i_len != sizeof(struct ieee80211_channel))
595 * vap's may have different operating channels when HT is
596 * in use. When in RUN state report the vap-specific channel.
597 * Otherwise return curchan.
599 if (vap->iv_state == IEEE80211_S_RUN)
600 c = vap->iv_bss->ni_chan;
603 return copyout(c, ireq->i_data, sizeof(*c));
607 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
611 /* NB: truncate, caller can check length */
612 if (ireq->i_len > aie->ie_len)
613 ireq->i_len = aie->ie_len;
614 return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
618 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
622 fc0 = ireq->i_val & 0xff;
623 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
625 /* NB: could check iv_opmode and reject but hardly worth the effort */
626 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
627 case IEEE80211_FC0_SUBTYPE_BEACON:
628 return getappie(vap->iv_appie_beacon, ireq);
629 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
630 return getappie(vap->iv_appie_proberesp, ireq);
631 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
632 return getappie(vap->iv_appie_assocresp, ireq);
633 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
634 return getappie(vap->iv_appie_probereq, ireq);
635 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
636 return getappie(vap->iv_appie_assocreq, ireq);
637 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
638 return getappie(vap->iv_appie_wpa, ireq);
643 static __noinline int
644 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
645 const struct ieee80211req *ireq)
647 struct ieee80211com *ic = vap->iv_ic;
649 if (ireq->i_len != sizeof(ic->ic_regdomain))
651 return copyout(&ic->ic_regdomain, ireq->i_data,
652 sizeof(ic->ic_regdomain));
655 static __noinline int
656 ieee80211_ioctl_getroam(struct ieee80211vap *vap,
657 const struct ieee80211req *ireq)
659 size_t len = ireq->i_len;
660 /* NB: accept short requests for backwards compat */
661 if (len > sizeof(vap->iv_roamparms))
662 len = sizeof(vap->iv_roamparms);
663 return copyout(vap->iv_roamparms, ireq->i_data, len);
666 static __noinline int
667 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
668 const struct ieee80211req *ireq)
670 size_t len = ireq->i_len;
671 /* NB: accept short requests for backwards compat */
672 if (len > sizeof(vap->iv_txparms))
673 len = sizeof(vap->iv_txparms);
674 return copyout(vap->iv_txparms, ireq->i_data, len);
677 static __noinline int
678 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
679 const struct ieee80211req *ireq)
681 struct ieee80211_devcaps_req *dc;
682 struct ieee80211req_chaninfo *ci;
685 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
686 sizeof(struct ieee80211_channel));
687 /* NB: require 1 so we know ic_nchans is accessible */
690 /* constrain max request size, 2K channels is ~24Kbytes */
693 dc = (struct ieee80211_devcaps_req *)
694 malloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_NOWAIT | M_ZERO);
697 dc->dc_drivercaps = ic->ic_caps;
698 dc->dc_cryptocaps = ic->ic_cryptocaps;
699 dc->dc_htcaps = ic->ic_htcaps;
700 ci = &dc->dc_chaninfo;
701 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans);
702 KASSERT(ci->ic_nchans <= maxchans,
703 ("nchans %d maxchans %d", ci->ic_nchans, maxchans));
704 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
705 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc));
710 static __noinline int
711 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
713 struct ieee80211_node *ni;
714 struct ieee80211req_sta_vlan vlan;
717 if (ireq->i_len != sizeof(vlan))
719 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
722 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
723 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
728 ni = ieee80211_ref_node(vap->iv_bss);
729 vlan.sv_vlan = ni->ni_vlan;
730 error = copyout(&vlan, ireq->i_data, sizeof(vlan));
731 ieee80211_free_node(ni);
736 * Dummy ioctl get handler so the linker set is defined.
739 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq)
743 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get);
746 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
748 ieee80211_ioctl_getfunc * const *get;
751 SET_FOREACH(get, ieee80211_ioctl_getset) {
752 error = (*get)(vap, ireq);
760 * When building the kernel with -O2 on the i386 architecture, gcc
761 * seems to want to inline this function into ieee80211_ioctl()
762 * (which is the only routine that calls it). When this happens,
763 * ieee80211_ioctl() ends up consuming an additional 2K of stack
764 * space. (Exactly why it needs so much is unclear.) The problem
765 * is that it's possible for ieee80211_ioctl() to invoke other
766 * routines (including driver init functions) which could then find
767 * themselves perilously close to exhausting the stack.
769 * To avoid this, we deliberately prevent gcc from inlining this
770 * routine. Another way to avoid this is to use less agressive
771 * optimization when compiling this file (i.e. -O instead of -O2)
772 * but special-casing the compilation of this one module in the
773 * build system would be awkward.
775 static __noinline int
776 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
777 struct ieee80211req *ireq)
779 #define MS(_v, _f) (((_v) & _f) >> _f##_S)
780 struct ieee80211com *ic = vap->iv_ic;
782 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
783 char tmpssid[IEEE80211_NWID_LEN];
786 switch (ireq->i_type) {
787 case IEEE80211_IOC_SSID:
788 switch (vap->iv_state) {
789 case IEEE80211_S_INIT:
790 case IEEE80211_S_SCAN:
791 ireq->i_len = vap->iv_des_ssid[0].len;
792 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
795 ireq->i_len = vap->iv_bss->ni_esslen;
796 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
799 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
801 case IEEE80211_IOC_NUMSSIDS:
804 case IEEE80211_IOC_WEP:
805 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
806 ireq->i_val = IEEE80211_WEP_OFF;
807 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
808 ireq->i_val = IEEE80211_WEP_ON;
810 ireq->i_val = IEEE80211_WEP_MIXED;
812 case IEEE80211_IOC_WEPKEY:
813 kid = (u_int) ireq->i_val;
814 if (kid >= IEEE80211_WEP_NKID)
816 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
817 /* NB: only root can read WEP keys */
818 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
819 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
824 error = copyout(tmpkey, ireq->i_data, len);
826 case IEEE80211_IOC_NUMWEPKEYS:
827 ireq->i_val = IEEE80211_WEP_NKID;
829 case IEEE80211_IOC_WEPTXKEY:
830 ireq->i_val = vap->iv_def_txkey;
832 case IEEE80211_IOC_AUTHMODE:
833 if (vap->iv_flags & IEEE80211_F_WPA)
834 ireq->i_val = IEEE80211_AUTH_WPA;
836 ireq->i_val = vap->iv_bss->ni_authmode;
838 case IEEE80211_IOC_CHANNEL:
839 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
841 case IEEE80211_IOC_POWERSAVE:
842 if (vap->iv_flags & IEEE80211_F_PMGTON)
843 ireq->i_val = IEEE80211_POWERSAVE_ON;
845 ireq->i_val = IEEE80211_POWERSAVE_OFF;
847 case IEEE80211_IOC_POWERSAVESLEEP:
848 ireq->i_val = ic->ic_lintval;
850 case IEEE80211_IOC_RTSTHRESHOLD:
851 ireq->i_val = vap->iv_rtsthreshold;
853 case IEEE80211_IOC_PROTMODE:
854 ireq->i_val = ic->ic_protmode;
856 case IEEE80211_IOC_TXPOWER:
858 * Tx power limit is the min of max regulatory
859 * power, any user-set limit, and the max the
862 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
863 if (ireq->i_val > ic->ic_txpowlimit)
864 ireq->i_val = ic->ic_txpowlimit;
865 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
866 ireq->i_val = ic->ic_curchan->ic_maxpower;
868 case IEEE80211_IOC_WPA:
869 switch (vap->iv_flags & IEEE80211_F_WPA) {
870 case IEEE80211_F_WPA1:
873 case IEEE80211_F_WPA2:
876 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
884 case IEEE80211_IOC_CHANLIST:
885 error = ieee80211_ioctl_getchanlist(vap, ireq);
887 case IEEE80211_IOC_ROAMING:
888 ireq->i_val = vap->iv_roaming;
890 case IEEE80211_IOC_PRIVACY:
891 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
893 case IEEE80211_IOC_DROPUNENCRYPTED:
894 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
896 case IEEE80211_IOC_COUNTERMEASURES:
897 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
899 case IEEE80211_IOC_WME:
900 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
902 case IEEE80211_IOC_HIDESSID:
903 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
905 case IEEE80211_IOC_APBRIDGE:
906 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
908 case IEEE80211_IOC_WPAKEY:
909 error = ieee80211_ioctl_getkey(vap, ireq);
911 case IEEE80211_IOC_CHANINFO:
912 error = ieee80211_ioctl_getchaninfo(vap, ireq);
914 case IEEE80211_IOC_BSSID:
915 if (ireq->i_len != IEEE80211_ADDR_LEN)
917 if (vap->iv_state == IEEE80211_S_RUN) {
918 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ?
919 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid,
920 ireq->i_data, ireq->i_len);
922 error = copyout(vap->iv_des_bssid, ireq->i_data,
925 case IEEE80211_IOC_WPAIE:
926 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
928 case IEEE80211_IOC_WPAIE2:
929 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
931 case IEEE80211_IOC_SCAN_RESULTS:
932 error = ieee80211_ioctl_getscanresults(vap, ireq);
934 case IEEE80211_IOC_STA_STATS:
935 error = ieee80211_ioctl_getstastats(vap, ireq);
937 case IEEE80211_IOC_TXPOWMAX:
938 ireq->i_val = vap->iv_bss->ni_txpower;
940 case IEEE80211_IOC_STA_TXPOW:
941 error = ieee80211_ioctl_getstatxpow(vap, ireq);
943 case IEEE80211_IOC_STA_INFO:
944 error = ieee80211_ioctl_getstainfo(vap, ireq);
946 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
947 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
948 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
949 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
950 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
951 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
952 error = ieee80211_ioctl_getwmeparam(vap, ireq);
954 case IEEE80211_IOC_DTIM_PERIOD:
955 ireq->i_val = vap->iv_dtim_period;
957 case IEEE80211_IOC_BEACON_INTERVAL:
958 /* NB: get from ic_bss for station mode */
959 ireq->i_val = vap->iv_bss->ni_intval;
961 case IEEE80211_IOC_PUREG:
962 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
964 case IEEE80211_IOC_BGSCAN:
965 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
967 case IEEE80211_IOC_BGSCAN_IDLE:
968 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */
970 case IEEE80211_IOC_BGSCAN_INTERVAL:
971 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */
973 case IEEE80211_IOC_SCANVALID:
974 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */
976 case IEEE80211_IOC_FRAGTHRESHOLD:
977 ireq->i_val = vap->iv_fragthreshold;
979 case IEEE80211_IOC_MACCMD:
980 error = ieee80211_ioctl_getmaccmd(vap, ireq);
982 case IEEE80211_IOC_BURST:
983 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
985 case IEEE80211_IOC_BMISSTHRESHOLD:
986 ireq->i_val = vap->iv_bmissthreshold;
988 case IEEE80211_IOC_CURCHAN:
989 error = ieee80211_ioctl_getcurchan(vap, ireq);
991 case IEEE80211_IOC_SHORTGI:
993 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
994 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
995 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
996 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
998 case IEEE80211_IOC_AMPDU:
1000 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1002 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1005 case IEEE80211_IOC_AMPDU_LIMIT:
1006 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1007 ireq->i_val = vap->iv_ampdu_rxmax;
1008 else if (vap->iv_state == IEEE80211_S_RUN)
1009 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1010 IEEE80211_HTCAP_MAXRXAMPDU);
1012 ireq->i_val = vap->iv_ampdu_limit;
1014 case IEEE80211_IOC_AMPDU_DENSITY:
1015 if (vap->iv_opmode == IEEE80211_M_STA &&
1016 vap->iv_state == IEEE80211_S_RUN)
1017 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1018 IEEE80211_HTCAP_MPDUDENSITY);
1020 ireq->i_val = vap->iv_ampdu_density;
1022 case IEEE80211_IOC_AMSDU:
1024 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1026 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1029 case IEEE80211_IOC_AMSDU_LIMIT:
1030 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */
1032 case IEEE80211_IOC_PUREN:
1033 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1035 case IEEE80211_IOC_DOTH:
1036 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1038 case IEEE80211_IOC_REGDOMAIN:
1039 error = ieee80211_ioctl_getregdomain(vap, ireq);
1041 case IEEE80211_IOC_ROAM:
1042 error = ieee80211_ioctl_getroam(vap, ireq);
1044 case IEEE80211_IOC_TXPARAMS:
1045 error = ieee80211_ioctl_gettxparams(vap, ireq);
1047 case IEEE80211_IOC_HTCOMPAT:
1048 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1050 case IEEE80211_IOC_DWDS:
1051 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1053 case IEEE80211_IOC_INACTIVITY:
1054 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1056 case IEEE80211_IOC_APPIE:
1057 error = ieee80211_ioctl_getappie(vap, ireq);
1059 case IEEE80211_IOC_WPS:
1060 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1062 case IEEE80211_IOC_TSN:
1063 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1065 case IEEE80211_IOC_DFS:
1066 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1068 case IEEE80211_IOC_DOTD:
1069 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1071 case IEEE80211_IOC_DEVCAPS:
1072 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1074 case IEEE80211_IOC_HTPROTMODE:
1075 ireq->i_val = ic->ic_htprotmode;
1077 case IEEE80211_IOC_HTCONF:
1078 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1080 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1085 case IEEE80211_IOC_STA_VLAN:
1086 error = ieee80211_ioctl_getstavlan(vap, ireq);
1088 case IEEE80211_IOC_SMPS:
1089 if (vap->iv_opmode == IEEE80211_M_STA &&
1090 vap->iv_state == IEEE80211_S_RUN) {
1091 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1092 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1093 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1094 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1096 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1098 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1100 case IEEE80211_IOC_RIFS:
1101 if (vap->iv_opmode == IEEE80211_M_STA &&
1102 vap->iv_state == IEEE80211_S_RUN)
1104 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1107 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1110 error = ieee80211_ioctl_getdefault(vap, ireq);
1117 static __noinline int
1118 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1120 struct ieee80211req_key ik;
1121 struct ieee80211_node *ni;
1122 struct ieee80211_key *wk;
1126 if (ireq->i_len != sizeof(ik))
1128 error = copyin(ireq->i_data, &ik, sizeof(ik));
1131 /* NB: cipher support is verified by ieee80211_crypt_newkey */
1132 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1133 if (ik.ik_keylen > sizeof(ik.ik_keydata))
1136 if (kid == IEEE80211_KEYIX_NONE) {
1137 /* XXX unicast keys currently must be tx/rx */
1138 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1140 if (vap->iv_opmode == IEEE80211_M_STA) {
1141 ni = ieee80211_ref_node(vap->iv_bss);
1142 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1143 ieee80211_free_node(ni);
1144 return EADDRNOTAVAIL;
1147 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1152 wk = &ni->ni_ucastkey;
1154 if (kid >= IEEE80211_WEP_NKID)
1156 wk = &vap->iv_nw_keys[kid];
1158 * Global slots start off w/o any assigned key index.
1159 * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1161 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1166 ieee80211_key_update_begin(vap);
1167 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1168 wk->wk_keylen = ik.ik_keylen;
1169 /* NB: MIC presence is implied by cipher type */
1170 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1171 wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1172 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1173 wk->wk_keyrsc[i] = ik.ik_keyrsc;
1174 wk->wk_keytsc = 0; /* new key, reset */
1175 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1176 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1177 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1178 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr);
1179 if (!ieee80211_crypto_setkey(vap, wk))
1181 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1182 vap->iv_def_txkey = kid;
1185 ieee80211_key_update_end(vap);
1187 ieee80211_free_node(ni);
1191 static __noinline int
1192 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1194 struct ieee80211req_del_key dk;
1197 if (ireq->i_len != sizeof(dk))
1199 error = copyin(ireq->i_data, &dk, sizeof(dk));
1203 /* XXX uint8_t -> uint16_t */
1204 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1205 struct ieee80211_node *ni;
1207 if (vap->iv_opmode == IEEE80211_M_STA) {
1208 ni = ieee80211_ref_node(vap->iv_bss);
1209 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1210 ieee80211_free_node(ni);
1211 return EADDRNOTAVAIL;
1214 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1219 /* XXX error return */
1220 ieee80211_node_delucastkey(ni);
1221 ieee80211_free_node(ni);
1223 if (kid >= IEEE80211_WEP_NKID)
1225 /* XXX error return */
1226 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1232 struct ieee80211vap *vap;
1238 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1241 #ifdef IEEE80211_DEBUG
1242 static const struct {
1247 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1248 IEEE80211_MSG_ASSOC, "assoc" },
1249 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1250 IEEE80211_MSG_ASSOC, "disassoc" },
1251 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1252 IEEE80211_MSG_AUTH, "deauth" },
1253 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1254 IEEE80211_MSG_AUTH, "authorize" },
1255 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1256 IEEE80211_MSG_AUTH, "unauthorize" },
1259 if (op == IEEE80211_MLME_AUTH) {
1260 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1261 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1262 "station authenticate %s via MLME (reason %d)",
1263 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1265 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1266 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1267 "unknown MLME request %d (reason %d)", op, reason);
1268 } else if (reason == IEEE80211_STATUS_SUCCESS) {
1269 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1270 "station %s via MLME", ops[op].opstr);
1272 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1273 "station %s via MLME (reason %d)", ops[op].opstr, reason);
1275 #endif /* IEEE80211_DEBUG */
1279 domlme(void *arg, struct ieee80211_node *ni)
1281 struct mlmeop *mop = arg;
1282 struct ieee80211vap *vap = ni->ni_vap;
1284 if (vap != mop->vap)
1287 * NB: if ni_associd is zero then the node is already cleaned
1288 * up and we don't need to do this (we're safely holding a
1289 * reference but should otherwise not modify it's state).
1291 if (ni->ni_associd == 0)
1293 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1294 if (mop->op == IEEE80211_MLME_DEAUTH) {
1295 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1298 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1301 ieee80211_node_leave(ni);
1305 setmlme_dropsta(struct ieee80211vap *vap,
1306 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1308 struct ieee80211com *ic = vap->iv_ic;
1309 struct ieee80211_node_table *nt = &ic->ic_sta;
1310 struct ieee80211_node *ni;
1313 /* NB: the broadcast address means do 'em all */
1314 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) {
1315 IEEE80211_NODE_LOCK(nt);
1316 ni = ieee80211_find_node_locked(nt, mac);
1319 ieee80211_free_node(ni);
1322 IEEE80211_NODE_UNLOCK(nt);
1324 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1329 static __noinline int
1330 setmlme_common(struct ieee80211vap *vap, int op,
1331 const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1333 struct ieee80211com *ic = vap->iv_ic;
1334 struct ieee80211_node_table *nt = &ic->ic_sta;
1335 struct ieee80211_node *ni;
1336 struct mlmeop mlmeop;
1341 case IEEE80211_MLME_DISASSOC:
1342 case IEEE80211_MLME_DEAUTH:
1343 switch (vap->iv_opmode) {
1344 case IEEE80211_M_STA:
1345 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1346 /* XXX not quite right */
1347 ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1349 case IEEE80211_M_HOSTAP:
1352 mlmeop.reason = reason;
1353 error = setmlme_dropsta(vap, mac, &mlmeop);
1355 case IEEE80211_M_WDS:
1356 /* XXX user app should send raw frame? */
1357 if (op != IEEE80211_MLME_DEAUTH) {
1362 /* XXX accept any address, simplifies user code */
1363 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1368 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1369 ni = ieee80211_ref_node(vap->iv_bss);
1370 IEEE80211_SEND_MGMT(ni,
1371 IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1372 ieee80211_free_node(ni);
1379 case IEEE80211_MLME_AUTHORIZE:
1380 case IEEE80211_MLME_UNAUTHORIZE:
1381 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1382 vap->iv_opmode != IEEE80211_M_WDS) {
1386 IEEE80211_NODE_LOCK(nt);
1387 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1389 mlmedebug(vap, mac, op, reason);
1390 if (op == IEEE80211_MLME_AUTHORIZE)
1391 ieee80211_node_authorize(ni);
1393 ieee80211_node_unauthorize(ni);
1394 ieee80211_free_node(ni);
1397 IEEE80211_NODE_UNLOCK(nt);
1399 case IEEE80211_MLME_AUTH:
1400 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1404 IEEE80211_NODE_LOCK(nt);
1405 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1407 mlmedebug(vap, mac, op, reason);
1408 if (reason == IEEE80211_STATUS_SUCCESS) {
1409 IEEE80211_SEND_MGMT(ni,
1410 IEEE80211_FC0_SUBTYPE_AUTH, 2);
1412 * For shared key auth, just continue the
1413 * exchange. Otherwise when 802.1x is not in
1414 * use mark the port authorized at this point
1415 * so traffic can flow.
1417 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1418 ni->ni_challenge == NULL)
1419 ieee80211_node_authorize(ni);
1421 vap->iv_stats.is_rx_acl++;
1422 ieee80211_send_error(ni, ni->ni_macaddr,
1423 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1424 ieee80211_node_leave(ni);
1426 ieee80211_free_node(ni);
1429 IEEE80211_NODE_UNLOCK(nt);
1441 const uint8_t *essid;
1442 const struct ieee80211_scan_entry *se;
1446 * Match mac address and any ssid.
1449 mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1451 struct scanlookup *look = arg;
1453 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1455 if (look->esslen != 0) {
1456 if (se->se_ssid[1] != look->esslen)
1458 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1464 static __noinline int
1465 setmlme_assoc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1466 int ssid_len, const uint8_t ssid[IEEE80211_NWID_LEN])
1468 struct scanlookup lookup;
1470 /* XXX ibss/ahdemo */
1471 if (vap->iv_opmode != IEEE80211_M_STA)
1474 /* NB: this is racey if roaming is !manual */
1477 lookup.esslen = ssid_len;
1478 lookup.essid = ssid;
1479 ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1480 if (lookup.se == NULL)
1482 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1483 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1484 return EIO; /* XXX unique but could be better */
1488 static __noinline int
1489 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1491 struct ieee80211req_mlme mlme;
1494 if (ireq->i_len != sizeof(mlme))
1496 error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1499 if (mlme.im_op == IEEE80211_MLME_ASSOC)
1500 return setmlme_assoc(vap, mlme.im_macaddr,
1501 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1503 return setmlme_common(vap, mlme.im_op,
1504 mlme.im_macaddr, mlme.im_reason);
1507 static __noinline int
1508 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1510 uint8_t mac[IEEE80211_ADDR_LEN];
1511 const struct ieee80211_aclator *acl = vap->iv_acl;
1514 if (ireq->i_len != sizeof(mac))
1516 error = copyin(ireq->i_data, mac, ireq->i_len);
1520 acl = ieee80211_aclator_get("mac");
1521 if (acl == NULL || !acl->iac_attach(vap))
1525 if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1526 acl->iac_add(vap, mac);
1528 acl->iac_remove(vap, mac);
1532 static __noinline int
1533 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1535 const struct ieee80211_aclator *acl = vap->iv_acl;
1537 switch (ireq->i_val) {
1538 case IEEE80211_MACCMD_POLICY_OPEN:
1539 case IEEE80211_MACCMD_POLICY_ALLOW:
1540 case IEEE80211_MACCMD_POLICY_DENY:
1541 case IEEE80211_MACCMD_POLICY_RADIUS:
1543 acl = ieee80211_aclator_get("mac");
1544 if (acl == NULL || !acl->iac_attach(vap))
1548 acl->iac_setpolicy(vap, ireq->i_val);
1550 case IEEE80211_MACCMD_FLUSH:
1552 acl->iac_flush(vap);
1553 /* NB: silently ignore when not in use */
1555 case IEEE80211_MACCMD_DETACH:
1558 acl->iac_detach(vap);
1565 return acl->iac_setioctl(vap, ireq);
1570 static __noinline int
1571 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1573 struct ieee80211com *ic = vap->iv_ic;
1574 uint8_t *chanlist, *list;
1575 int i, nchan, maxchan, error;
1577 if (ireq->i_len > sizeof(ic->ic_chan_active))
1578 ireq->i_len = sizeof(ic->ic_chan_active);
1579 list = malloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1583 error = copyin(ireq->i_data, list, ireq->i_len);
1587 chanlist = list + ireq->i_len; /* NB: zero'd already */
1588 maxchan = ireq->i_len * NBBY;
1589 for (i = 0; i < ic->ic_nchans; i++) {
1590 const struct ieee80211_channel *c = &ic->ic_channels[i];
1592 * Calculate the intersection of the user list and the
1593 * available channels so users can do things like specify
1594 * 1-255 to get all available channels.
1596 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1597 setbit(chanlist, c->ic_ieee);
1603 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */
1604 isclr(chanlist, ic->ic_bsschan->ic_ieee))
1605 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1606 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1607 ieee80211_scan_flush(vap);
1612 static __noinline int
1613 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1615 struct ieee80211_node *ni;
1616 uint8_t macaddr[IEEE80211_ADDR_LEN];
1620 * NB: we could copyin ieee80211req_sta_stats so apps
1621 * could make selective changes but that's overkill;
1622 * just clear all stats for now.
1624 if (ireq->i_len < IEEE80211_ADDR_LEN)
1626 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1629 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1632 /* XXX require ni_vap == vap? */
1633 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1634 ieee80211_free_node(ni);
1638 static __noinline int
1639 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1641 struct ieee80211_node *ni;
1642 struct ieee80211req_sta_txpow txpow;
1645 if (ireq->i_len != sizeof(txpow))
1647 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1650 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1653 ni->ni_txpower = txpow.it_txpow;
1654 ieee80211_free_node(ni);
1658 static __noinline int
1659 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1661 struct ieee80211com *ic = vap->iv_ic;
1662 struct ieee80211_wme_state *wme = &ic->ic_wme;
1663 struct wmeParams *wmep, *chanp;
1666 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1669 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1670 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1671 if (ac >= WME_NUM_AC)
1674 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1675 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1677 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1678 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1680 switch (ireq->i_type) {
1681 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1683 wmep->wmep_logcwmin = ireq->i_val;
1684 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1685 chanp->wmep_logcwmin = ireq->i_val;
1687 wmep->wmep_logcwmin = chanp->wmep_logcwmin =
1691 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1693 wmep->wmep_logcwmax = ireq->i_val;
1694 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1695 chanp->wmep_logcwmax = ireq->i_val;
1697 wmep->wmep_logcwmax = chanp->wmep_logcwmax =
1701 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1703 wmep->wmep_aifsn = ireq->i_val;
1704 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1705 chanp->wmep_aifsn = ireq->i_val;
1707 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val;
1710 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1712 wmep->wmep_txopLimit = ireq->i_val;
1713 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1714 chanp->wmep_txopLimit = ireq->i_val;
1716 wmep->wmep_txopLimit = chanp->wmep_txopLimit =
1720 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1721 wmep->wmep_acm = ireq->i_val;
1722 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1723 chanp->wmep_acm = ireq->i_val;
1725 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1726 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1730 ieee80211_wme_updateparams(vap);
1735 find11gchannel(struct ieee80211com *ic, int start, int freq)
1737 const struct ieee80211_channel *c;
1740 for (i = start+1; i < ic->ic_nchans; i++) {
1741 c = &ic->ic_channels[i];
1742 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1745 /* NB: should not be needed but in case things are mis-sorted */
1746 for (i = 0; i < start; i++) {
1747 c = &ic->ic_channels[i];
1748 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1754 static struct ieee80211_channel *
1755 findchannel(struct ieee80211com *ic, int ieee, int mode)
1757 static const u_int chanflags[IEEE80211_MODE_MAX] = {
1758 [IEEE80211_MODE_AUTO] = 0,
1759 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A,
1760 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B,
1761 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G,
1762 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS,
1763 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A,
1764 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G,
1765 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO,
1766 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF,
1767 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER,
1768 /* NB: handled specially below */
1769 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A,
1770 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G,
1775 modeflags = chanflags[mode];
1776 for (i = 0; i < ic->ic_nchans; i++) {
1777 struct ieee80211_channel *c = &ic->ic_channels[i];
1779 if (c->ic_ieee != ieee)
1781 if (mode == IEEE80211_MODE_AUTO) {
1782 /* ignore turbo channels for autoselect */
1783 if (IEEE80211_IS_CHAN_TURBO(c))
1786 * XXX special-case 11b/g channels so we
1787 * always select the g channel if both
1789 * XXX prefer HT to non-HT?
1791 if (!IEEE80211_IS_CHAN_B(c) ||
1792 !find11gchannel(ic, i, c->ic_freq))
1795 /* must check HT specially */
1796 if ((mode == IEEE80211_MODE_11NA ||
1797 mode == IEEE80211_MODE_11NG) &&
1798 !IEEE80211_IS_CHAN_HT(c))
1800 if ((c->ic_flags & modeflags) == modeflags)
1808 * Check the specified against any desired mode (aka netband).
1809 * This is only used (presently) when operating in hostap mode
1810 * to enforce consistency.
1813 check_mode_consistency(const struct ieee80211_channel *c, int mode)
1815 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1818 case IEEE80211_MODE_11B:
1819 return (IEEE80211_IS_CHAN_B(c));
1820 case IEEE80211_MODE_11G:
1821 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1822 case IEEE80211_MODE_11A:
1823 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1824 case IEEE80211_MODE_STURBO_A:
1825 return (IEEE80211_IS_CHAN_STURBO(c));
1826 case IEEE80211_MODE_11NA:
1827 return (IEEE80211_IS_CHAN_HTA(c));
1828 case IEEE80211_MODE_11NG:
1829 return (IEEE80211_IS_CHAN_HTG(c));
1836 * Common code to set the current channel. If the device
1837 * is up and running this may result in an immediate channel
1838 * change or a kick of the state machine.
1841 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1843 struct ieee80211com *ic = vap->iv_ic;
1846 if (c != IEEE80211_CHAN_ANYC) {
1847 if (IEEE80211_IS_CHAN_RADAR(c))
1848 return EBUSY; /* XXX better code? */
1849 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1850 if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1852 if (!check_mode_consistency(c, vap->iv_des_mode))
1854 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1855 if (IEEE80211_IS_CHAN_NOADHOC(c))
1858 if (vap->iv_state == IEEE80211_S_RUN &&
1859 vap->iv_bss->ni_chan == c)
1860 return 0; /* NB: nothing to do */
1862 vap->iv_des_chan = c;
1865 if (vap->iv_opmode == IEEE80211_M_MONITOR &&
1866 vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1868 * Monitor mode can switch directly.
1870 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
1871 /* XXX need state machine for other vap's to follow */
1872 ieee80211_setcurchan(ic, vap->iv_des_chan);
1873 vap->iv_bss->ni_chan = ic->ic_curchan;
1875 ic->ic_curchan = vap->iv_des_chan;
1876 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1879 * Need to go through the state machine in case we
1880 * need to reassociate or the like. The state machine
1881 * will pickup the desired channel and avoid scanning.
1883 if (IS_UP_AUTO(vap))
1884 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
1885 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1887 * When not up+running and a real channel has
1888 * been specified fix the current channel so
1889 * there is immediate feedback; e.g. via ifconfig.
1891 ic->ic_curchan = vap->iv_des_chan;
1892 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1899 * Old api for setting the current channel; this is
1900 * deprecated because channel numbers are ambiguous.
1902 static __noinline int
1903 ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
1904 const struct ieee80211req *ireq)
1906 struct ieee80211com *ic = vap->iv_ic;
1907 struct ieee80211_channel *c;
1909 /* XXX 0xffff overflows 16-bit signed */
1910 if (ireq->i_val == 0 ||
1911 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
1912 c = IEEE80211_CHAN_ANYC;
1914 struct ieee80211_channel *c2;
1916 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
1918 c = findchannel(ic, ireq->i_val,
1919 IEEE80211_MODE_AUTO);
1924 * Fine tune channel selection based on desired mode:
1925 * if 11b is requested, find the 11b version of any
1926 * 11g channel returned,
1927 * if static turbo, find the turbo version of any
1928 * 11a channel return,
1929 * if 11na is requested, find the ht version of any
1930 * 11a channel returned,
1931 * if 11ng is requested, find the ht version of any
1932 * 11g channel returned,
1933 * otherwise we should be ok with what we've got.
1935 switch (vap->iv_des_mode) {
1936 case IEEE80211_MODE_11B:
1937 if (IEEE80211_IS_CHAN_ANYG(c)) {
1938 c2 = findchannel(ic, ireq->i_val,
1939 IEEE80211_MODE_11B);
1940 /* NB: should not happen, =>'s 11g w/o 11b */
1945 case IEEE80211_MODE_TURBO_A:
1946 if (IEEE80211_IS_CHAN_A(c)) {
1947 c2 = findchannel(ic, ireq->i_val,
1948 IEEE80211_MODE_TURBO_A);
1953 case IEEE80211_MODE_11NA:
1954 if (IEEE80211_IS_CHAN_A(c)) {
1955 c2 = findchannel(ic, ireq->i_val,
1956 IEEE80211_MODE_11NA);
1961 case IEEE80211_MODE_11NG:
1962 if (IEEE80211_IS_CHAN_ANYG(c)) {
1963 c2 = findchannel(ic, ireq->i_val,
1964 IEEE80211_MODE_11NG);
1969 default: /* NB: no static turboG */
1973 return setcurchan(vap, c);
1977 * New/current api for setting the current channel; a complete
1978 * channel description is provide so there is no ambiguity in
1979 * identifying the channel.
1981 static __noinline int
1982 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
1983 const struct ieee80211req *ireq)
1985 struct ieee80211com *ic = vap->iv_ic;
1986 struct ieee80211_channel chan, *c;
1989 if (ireq->i_len != sizeof(chan))
1991 error = copyin(ireq->i_data, &chan, sizeof(chan));
1994 /* XXX 0xffff overflows 16-bit signed */
1995 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
1996 c = IEEE80211_CHAN_ANYC;
1998 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2002 return setcurchan(vap, c);
2005 static __noinline int
2006 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2007 const struct ieee80211req *ireq)
2009 struct ieee80211_regdomain_req *reg;
2012 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2013 sizeof(struct ieee80211_channel));
2014 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2015 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2016 "%s: bad # chans, i_len %d nchans %d\n", __func__,
2017 ireq->i_len, nchans);
2020 reg = (struct ieee80211_regdomain_req *)
2021 malloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_NOWAIT);
2023 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2024 "%s: no memory, nchans %d\n", __func__, nchans);
2027 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2029 /* NB: validate inline channel count against storage size */
2030 if (reg->chaninfo.ic_nchans != nchans) {
2031 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2032 "%s: chan cnt mismatch, %d != %d\n", __func__,
2033 reg->chaninfo.ic_nchans, nchans);
2036 error = ieee80211_setregdomain(vap, reg);
2040 return (error == 0 ? ENETRESET : error);
2044 ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2045 const struct ieee80211req *ireq)
2047 if (ireq->i_len != sizeof(vap->iv_roamparms))
2049 /* XXX validate params */
2050 /* XXX? ENETRESET to push to device? */
2051 return copyin(ireq->i_data, vap->iv_roamparms,
2052 sizeof(vap->iv_roamparms));
2056 checkrate(const struct ieee80211_rateset *rs, int rate)
2060 if (rate == IEEE80211_FIXED_RATE_NONE)
2062 for (i = 0; i < rs->rs_nrates; i++)
2063 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2071 if (mcs == IEEE80211_FIXED_RATE_NONE)
2073 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */
2075 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */
2078 static __noinline int
2079 ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2080 const struct ieee80211req *ireq)
2082 struct ieee80211com *ic = vap->iv_ic;
2083 struct ieee80211_txparams_req parms; /* XXX stack use? */
2084 struct ieee80211_txparam *src, *dst;
2085 const struct ieee80211_rateset *rs;
2086 int error, mode, changed, is11n, nmodes;
2088 /* NB: accept short requests for backwards compat */
2089 if (ireq->i_len > sizeof(parms))
2091 error = copyin(ireq->i_data, &parms, ireq->i_len);
2094 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2096 /* validate parameters and check if anything changed */
2097 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2098 if (isclr(ic->ic_modecaps, mode))
2100 src = &parms.params[mode];
2101 dst = &vap->iv_txparms[mode];
2102 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */
2103 is11n = (mode == IEEE80211_MODE_11NA ||
2104 mode == IEEE80211_MODE_11NG);
2105 if (src->ucastrate != dst->ucastrate) {
2106 if (!checkrate(rs, src->ucastrate) &&
2107 (!is11n || !checkmcs(src->ucastrate)))
2111 if (src->mcastrate != dst->mcastrate) {
2112 if (!checkrate(rs, src->mcastrate) &&
2113 (!is11n || !checkmcs(src->mcastrate)))
2117 if (src->mgmtrate != dst->mgmtrate) {
2118 if (!checkrate(rs, src->mgmtrate) &&
2119 (!is11n || !checkmcs(src->mgmtrate)))
2123 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2128 * Copy new parameters in place and notify the
2129 * driver so it can push state to the device.
2131 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2132 if (isset(ic->ic_modecaps, mode))
2133 vap->iv_txparms[mode] = parms.params[mode];
2135 /* XXX could be more intelligent,
2136 e.g. don't reset if setting not being used */
2143 * Application Information Element support.
2146 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2148 struct ieee80211_appie *app = *aie;
2149 struct ieee80211_appie *napp;
2152 if (ireq->i_len == 0) { /* delete any existing ie */
2154 *aie = NULL; /* XXX racey */
2155 free(app, M_80211_NODE_IE);
2159 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2162 * Allocate a new appie structure and copy in the user data.
2163 * When done swap in the new structure. Note that we do not
2164 * guard against users holding a ref to the old structure;
2165 * this must be handled outside this code.
2169 napp = (struct ieee80211_appie *) malloc(
2170 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_NOWAIT);
2173 /* XXX holding ic lock */
2174 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2176 free(napp, M_80211_NODE_IE);
2179 napp->ie_len = ireq->i_len;
2182 free(app, M_80211_NODE_IE);
2187 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2189 /* validate data is present as best we can */
2190 if (space == 0 || 2+ie[1] > space)
2192 if (ie[0] == IEEE80211_ELEMID_VENDOR)
2193 vap->iv_wpa_ie = ie;
2194 else if (ie[0] == IEEE80211_ELEMID_RSN)
2195 vap->iv_rsn_ie = ie;
2198 static __noinline int
2199 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2200 const struct ieee80211req *ireq, int fc0)
2204 IEEE80211_LOCK_ASSERT(vap->iv_ic);
2206 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2207 case IEEE80211_FC0_SUBTYPE_BEACON:
2208 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2209 vap->iv_opmode != IEEE80211_M_IBSS) {
2213 error = setappie(&vap->iv_appie_beacon, ireq);
2215 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2217 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2218 error = setappie(&vap->iv_appie_proberesp, ireq);
2220 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2221 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2222 error = setappie(&vap->iv_appie_assocresp, ireq);
2226 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2227 error = setappie(&vap->iv_appie_probereq, ireq);
2229 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2230 if (vap->iv_opmode == IEEE80211_M_STA)
2231 error = setappie(&vap->iv_appie_assocreq, ireq);
2235 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2236 error = setappie(&vap->iv_appie_wpa, ireq);
2239 * Must split single blob of data into separate
2240 * WPA and RSN ie's because they go in different
2241 * locations in the mgt frames.
2242 * XXX use IEEE80211_IOC_WPA2 so user code does split
2244 vap->iv_wpa_ie = NULL;
2245 vap->iv_rsn_ie = NULL;
2246 if (vap->iv_appie_wpa != NULL) {
2247 struct ieee80211_appie *appie =
2249 uint8_t *data = appie->ie_data;
2251 /* XXX ie length validate is painful, cheat */
2252 setwparsnie(vap, data, appie->ie_len);
2253 setwparsnie(vap, data + 2 + data[1],
2254 appie->ie_len - (2 + data[1]));
2256 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2257 vap->iv_opmode == IEEE80211_M_IBSS) {
2259 * Must rebuild beacon frame as the update
2260 * mechanism doesn't handle WPA/RSN ie's.
2261 * Could extend it but it doesn't normally
2262 * change; this is just to deal with hostapd
2263 * plumbing the ie after the interface is up.
2276 static __noinline int
2277 ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2278 const struct ieee80211req *ireq)
2280 struct ieee80211com *ic = vap->iv_ic;
2284 fc0 = ireq->i_val & 0xff;
2285 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2287 /* NB: could check iv_opmode and reject but hardly worth the effort */
2289 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2290 IEEE80211_UNLOCK(ic);
2294 static __noinline int
2295 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2297 struct ieee80211com *ic = vap->iv_ic;
2298 struct ieee80211_chanswitch_req csr;
2299 struct ieee80211_channel *c;
2302 if (ireq->i_len != sizeof(csr))
2304 error = copyin(ireq->i_data, &csr, sizeof(csr));
2307 /* XXX adhoc mode not supported */
2308 if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2309 (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2311 c = ieee80211_find_channel(ic,
2312 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2316 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2317 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2318 else if (csr.csa_count == 0)
2319 ieee80211_csa_cancelswitch(ic);
2322 IEEE80211_UNLOCK(ic);
2326 static __noinline int
2327 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2329 #define IEEE80211_IOC_SCAN_FLAGS \
2330 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2331 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2332 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2333 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2334 IEEE80211_IOC_SCAN_CHECK)
2335 struct ieee80211com *ic = vap->iv_ic;
2336 struct ieee80211_scan_req sr; /* XXX off stack? */
2339 /* NB: parent must be running */
2340 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
2343 if (ireq->i_len != sizeof(sr))
2345 error = copyin(ireq->i_data, &sr, sizeof(sr));
2348 /* convert duration */
2349 if (sr.sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2350 sr.sr_duration = IEEE80211_SCAN_FOREVER;
2352 if (sr.sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2353 sr.sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2355 sr.sr_duration = msecs_to_ticks(sr.sr_duration);
2356 if (sr.sr_duration < 1)
2359 /* convert min/max channel dwell */
2360 if (sr.sr_mindwell != 0) {
2361 sr.sr_mindwell = msecs_to_ticks(sr.sr_mindwell);
2362 if (sr.sr_mindwell < 1)
2365 if (sr.sr_maxdwell != 0) {
2366 sr.sr_maxdwell = msecs_to_ticks(sr.sr_maxdwell);
2367 if (sr.sr_maxdwell < 1)
2370 /* NB: silently reduce ssid count to what is supported */
2371 if (sr.sr_nssid > IEEE80211_SCAN_MAX_SSID)
2372 sr.sr_nssid = IEEE80211_SCAN_MAX_SSID;
2373 for (i = 0; i < sr.sr_nssid; i++)
2374 if (sr.sr_ssid[i].len > IEEE80211_NWID_LEN)
2376 /* cleanse flags just in case, could reject if invalid flags */
2377 sr.sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2379 * Add an implicit NOPICK if the vap is not marked UP. This
2380 * allows applications to scan without joining a bss (or picking
2381 * a channel and setting up a bss) and without forcing manual
2382 * roaming mode--you just need to mark the parent device UP.
2384 if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2385 sr.sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2387 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2388 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2389 __func__, sr.sr_flags,
2390 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2391 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, sr.sr_nssid);
2393 * If we are in INIT state then the driver has never had a chance
2394 * to setup hardware state to do a scan; we must use the state
2395 * machine to get us up to the SCAN state but once we reach SCAN
2396 * state we then want to use the supplied params. Stash the
2397 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2398 * state machines will recognize this and use the stashed params
2399 * to issue the scan request.
2401 * Otherwise just invoke the scan machinery directly.
2404 if (vap->iv_state == IEEE80211_S_INIT) {
2405 /* NB: clobbers previous settings */
2406 vap->iv_scanreq_flags = sr.sr_flags;
2407 vap->iv_scanreq_duration = sr.sr_duration;
2408 vap->iv_scanreq_nssid = sr.sr_nssid;
2409 for (i = 0; i < sr.sr_nssid; i++) {
2410 vap->iv_scanreq_ssid[i].len = sr.sr_ssid[i].len;
2411 memcpy(vap->iv_scanreq_ssid[i].ssid, sr.sr_ssid[i].ssid,
2414 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2415 IEEE80211_UNLOCK(ic);
2416 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2418 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2419 IEEE80211_UNLOCK(ic);
2420 /* XXX neeed error return codes */
2421 if (sr.sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2422 (void) ieee80211_check_scan(vap, sr.sr_flags,
2423 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell,
2425 /* NB: cheat, we assume structures are compatible */
2426 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]);
2428 (void) ieee80211_start_scan(vap, sr.sr_flags,
2429 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell,
2431 /* NB: cheat, we assume structures are compatible */
2432 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]);
2436 #undef IEEE80211_IOC_SCAN_FLAGS
2439 static __noinline int
2440 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2442 struct ieee80211_node *ni;
2443 struct ieee80211req_sta_vlan vlan;
2446 if (ireq->i_len != sizeof(vlan))
2448 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2451 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2452 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2457 ni = ieee80211_ref_node(vap->iv_bss);
2458 ni->ni_vlan = vlan.sv_vlan;
2459 ieee80211_free_node(ni);
2464 isvap11g(const struct ieee80211vap *vap)
2466 const struct ieee80211_node *bss = vap->iv_bss;
2467 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2468 IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2472 isvapht(const struct ieee80211vap *vap)
2474 const struct ieee80211_node *bss = vap->iv_bss;
2475 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2476 IEEE80211_IS_CHAN_HT(bss->ni_chan);
2480 * Dummy ioctl set handler so the linker set is defined.
2483 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2487 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2490 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2492 ieee80211_ioctl_setfunc * const *set;
2495 SET_FOREACH(set, ieee80211_ioctl_setset) {
2496 error = (*set)(vap, ireq);
2497 if (error != ENOSYS)
2503 static __noinline int
2504 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2506 struct ieee80211com *ic = vap->iv_ic;
2508 const struct ieee80211_authenticator *auth;
2509 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2510 char tmpssid[IEEE80211_NWID_LEN];
2511 uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2512 struct ieee80211_key *k;
2517 switch (ireq->i_type) {
2518 case IEEE80211_IOC_SSID:
2519 if (ireq->i_val != 0 ||
2520 ireq->i_len > IEEE80211_NWID_LEN)
2522 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2525 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2526 vap->iv_des_ssid[0].len = ireq->i_len;
2527 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2528 vap->iv_des_nssid = (ireq->i_len > 0);
2531 case IEEE80211_IOC_WEP:
2532 switch (ireq->i_val) {
2533 case IEEE80211_WEP_OFF:
2534 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2535 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2537 case IEEE80211_WEP_ON:
2538 vap->iv_flags |= IEEE80211_F_PRIVACY;
2539 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2541 case IEEE80211_WEP_MIXED:
2542 vap->iv_flags |= IEEE80211_F_PRIVACY;
2543 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2548 case IEEE80211_IOC_WEPKEY:
2549 kid = (u_int) ireq->i_val;
2550 if (kid >= IEEE80211_WEP_NKID)
2552 k = &vap->iv_nw_keys[kid];
2553 if (ireq->i_len == 0) {
2554 /* zero-len =>'s delete any existing key */
2555 (void) ieee80211_crypto_delkey(vap, k);
2558 if (ireq->i_len > sizeof(tmpkey))
2560 memset(tmpkey, 0, sizeof(tmpkey));
2561 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2564 ieee80211_key_update_begin(vap);
2565 k->wk_keyix = kid; /* NB: force fixed key id */
2566 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2567 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2568 k->wk_keylen = ireq->i_len;
2569 memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2570 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2571 if (!ieee80211_crypto_setkey(vap, k))
2575 ieee80211_key_update_end(vap);
2577 case IEEE80211_IOC_WEPTXKEY:
2578 kid = (u_int) ireq->i_val;
2579 if (kid >= IEEE80211_WEP_NKID &&
2580 (uint16_t) kid != IEEE80211_KEYIX_NONE)
2582 vap->iv_def_txkey = kid;
2584 case IEEE80211_IOC_AUTHMODE:
2585 switch (ireq->i_val) {
2586 case IEEE80211_AUTH_WPA:
2587 case IEEE80211_AUTH_8021X: /* 802.1x */
2588 case IEEE80211_AUTH_OPEN: /* open */
2589 case IEEE80211_AUTH_SHARED: /* shared-key */
2590 case IEEE80211_AUTH_AUTO: /* auto */
2591 auth = ieee80211_authenticator_get(ireq->i_val);
2598 switch (ireq->i_val) {
2599 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
2600 vap->iv_flags |= IEEE80211_F_PRIVACY;
2601 ireq->i_val = IEEE80211_AUTH_8021X;
2603 case IEEE80211_AUTH_OPEN: /* open */
2604 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2606 case IEEE80211_AUTH_SHARED: /* shared-key */
2607 case IEEE80211_AUTH_8021X: /* 802.1x */
2608 vap->iv_flags &= ~IEEE80211_F_WPA;
2609 /* both require a key so mark the PRIVACY capability */
2610 vap->iv_flags |= IEEE80211_F_PRIVACY;
2612 case IEEE80211_AUTH_AUTO: /* auto */
2613 vap->iv_flags &= ~IEEE80211_F_WPA;
2614 /* XXX PRIVACY handling? */
2615 /* XXX what's the right way to do this? */
2618 /* NB: authenticator attach/detach happens on state change */
2619 vap->iv_bss->ni_authmode = ireq->i_val;
2620 /* XXX mixed/mode/usage? */
2621 vap->iv_auth = auth;
2624 case IEEE80211_IOC_CHANNEL:
2625 error = ieee80211_ioctl_setchannel(vap, ireq);
2627 case IEEE80211_IOC_POWERSAVE:
2628 switch (ireq->i_val) {
2629 case IEEE80211_POWERSAVE_OFF:
2630 if (vap->iv_flags & IEEE80211_F_PMGTON) {
2631 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2635 case IEEE80211_POWERSAVE_ON:
2636 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2638 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2639 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2648 case IEEE80211_IOC_POWERSAVESLEEP:
2649 if (ireq->i_val < 0)
2651 ic->ic_lintval = ireq->i_val;
2654 case IEEE80211_IOC_RTSTHRESHOLD:
2655 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2656 ireq->i_val <= IEEE80211_RTS_MAX))
2658 vap->iv_rtsthreshold = ireq->i_val;
2661 case IEEE80211_IOC_PROTMODE:
2662 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2664 ic->ic_protmode = ireq->i_val;
2665 /* NB: if not operating in 11g this can wait */
2666 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2667 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2670 case IEEE80211_IOC_TXPOWER:
2671 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2673 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2674 ireq->i_val <= IEEE80211_TXPOWER_MAX))
2676 ic->ic_txpowlimit = ireq->i_val;
2679 case IEEE80211_IOC_ROAMING:
2680 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2681 ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2683 vap->iv_roaming = ireq->i_val;
2686 case IEEE80211_IOC_PRIVACY:
2688 /* XXX check for key state? */
2689 vap->iv_flags |= IEEE80211_F_PRIVACY;
2691 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2694 case IEEE80211_IOC_DROPUNENCRYPTED:
2696 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2698 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2701 case IEEE80211_IOC_WPAKEY:
2702 error = ieee80211_ioctl_setkey(vap, ireq);
2704 case IEEE80211_IOC_DELKEY:
2705 error = ieee80211_ioctl_delkey(vap, ireq);
2707 case IEEE80211_IOC_MLME:
2708 error = ieee80211_ioctl_setmlme(vap, ireq);
2710 case IEEE80211_IOC_COUNTERMEASURES:
2712 if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2714 vap->iv_flags |= IEEE80211_F_COUNTERM;
2716 vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2719 case IEEE80211_IOC_WPA:
2720 if (ireq->i_val > 3)
2722 /* XXX verify ciphers available */
2723 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2724 switch (ireq->i_val) {
2726 if (!(vap->iv_caps & IEEE80211_C_WPA1))
2728 flags |= IEEE80211_F_WPA1;
2731 if (!(vap->iv_caps & IEEE80211_C_WPA2))
2733 flags |= IEEE80211_F_WPA2;
2736 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2738 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2740 default: /* Can't set any -> error */
2743 vap->iv_flags = flags;
2744 error = ERESTART; /* NB: can change beacon frame */
2746 case IEEE80211_IOC_WME:
2748 if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2750 ieee80211_syncflag(vap, IEEE80211_F_WME);
2752 ieee80211_syncflag(vap, -IEEE80211_F_WME);
2753 error = ERESTART; /* NB: can change beacon frame */
2755 case IEEE80211_IOC_HIDESSID:
2757 vap->iv_flags |= IEEE80211_F_HIDESSID;
2759 vap->iv_flags &= ~IEEE80211_F_HIDESSID;
2760 error = ERESTART; /* XXX ENETRESET? */
2762 case IEEE80211_IOC_APBRIDGE:
2763 if (ireq->i_val == 0)
2764 vap->iv_flags |= IEEE80211_F_NOBRIDGE;
2766 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
2768 case IEEE80211_IOC_BSSID:
2769 if (ireq->i_len != sizeof(tmpbssid))
2771 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2774 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
2775 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
2776 vap->iv_flags &= ~IEEE80211_F_DESBSSID;
2778 vap->iv_flags |= IEEE80211_F_DESBSSID;
2781 case IEEE80211_IOC_CHANLIST:
2782 error = ieee80211_ioctl_setchanlist(vap, ireq);
2784 #define OLD_IEEE80211_IOC_SCAN_REQ 23
2785 #ifdef OLD_IEEE80211_IOC_SCAN_REQ
2786 case OLD_IEEE80211_IOC_SCAN_REQ:
2787 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2788 "%s: active scan request\n", __func__);
2790 * If we are in INIT state then the driver has never
2791 * had a chance to setup hardware state to do a scan;
2792 * use the state machine to get us up the SCAN state.
2793 * Otherwise just invoke the scan machinery to start
2796 if (vap->iv_state == IEEE80211_S_INIT)
2797 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2799 (void) ieee80211_start_scan(vap,
2800 IEEE80211_SCAN_ACTIVE |
2801 IEEE80211_SCAN_NOPICK |
2802 IEEE80211_SCAN_ONCE,
2803 IEEE80211_SCAN_FOREVER, 0, 0,
2804 /* XXX use ioctl params */
2805 vap->iv_des_nssid, vap->iv_des_ssid);
2807 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */
2808 case IEEE80211_IOC_SCAN_REQ:
2809 error = ieee80211_ioctl_scanreq(vap, ireq);
2811 case IEEE80211_IOC_SCAN_CANCEL:
2812 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2813 "%s: cancel scan\n", __func__);
2814 ieee80211_cancel_scan(vap);
2816 case IEEE80211_IOC_HTCONF:
2817 if (ireq->i_val & 1)
2818 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
2820 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
2821 if (ireq->i_val & 2)
2822 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
2824 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
2827 case IEEE80211_IOC_ADDMAC:
2828 case IEEE80211_IOC_DELMAC:
2829 error = ieee80211_ioctl_macmac(vap, ireq);
2831 case IEEE80211_IOC_MACCMD:
2832 error = ieee80211_ioctl_setmaccmd(vap, ireq);
2834 case IEEE80211_IOC_STA_STATS:
2835 error = ieee80211_ioctl_setstastats(vap, ireq);
2837 case IEEE80211_IOC_STA_TXPOW:
2838 error = ieee80211_ioctl_setstatxpow(vap, ireq);
2840 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
2841 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
2842 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
2843 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
2844 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
2845 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
2846 error = ieee80211_ioctl_setwmeparam(vap, ireq);
2848 case IEEE80211_IOC_DTIM_PERIOD:
2849 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2850 vap->iv_opmode != IEEE80211_M_IBSS)
2852 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
2853 ireq->i_val <= IEEE80211_DTIM_MAX) {
2854 vap->iv_dtim_period = ireq->i_val;
2855 error = ENETRESET; /* requires restart */
2859 case IEEE80211_IOC_BEACON_INTERVAL:
2860 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2861 vap->iv_opmode != IEEE80211_M_IBSS)
2863 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
2864 ireq->i_val <= IEEE80211_BINTVAL_MAX) {
2865 ic->ic_bintval = ireq->i_val;
2866 error = ENETRESET; /* requires restart */
2870 case IEEE80211_IOC_PUREG:
2872 vap->iv_flags |= IEEE80211_F_PUREG;
2874 vap->iv_flags &= ~IEEE80211_F_PUREG;
2875 /* NB: reset only if we're operating on an 11g channel */
2879 case IEEE80211_IOC_BGSCAN:
2881 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
2883 vap->iv_flags |= IEEE80211_F_BGSCAN;
2885 vap->iv_flags &= ~IEEE80211_F_BGSCAN;
2887 case IEEE80211_IOC_BGSCAN_IDLE:
2888 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
2889 vap->iv_bgscanidle = ireq->i_val*hz/1000;
2893 case IEEE80211_IOC_BGSCAN_INTERVAL:
2894 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
2895 vap->iv_bgscanintvl = ireq->i_val*hz;
2899 case IEEE80211_IOC_SCANVALID:
2900 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
2901 vap->iv_scanvalid = ireq->i_val*hz;
2905 case IEEE80211_IOC_FRAGTHRESHOLD:
2906 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
2907 ireq->i_val != IEEE80211_FRAG_MAX)
2909 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
2910 ireq->i_val <= IEEE80211_FRAG_MAX))
2912 vap->iv_fragthreshold = ireq->i_val;
2915 case IEEE80211_IOC_BURST:
2917 if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
2919 ieee80211_syncflag(vap, IEEE80211_F_BURST);
2921 ieee80211_syncflag(vap, -IEEE80211_F_BURST);
2924 case IEEE80211_IOC_BMISSTHRESHOLD:
2925 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
2926 ireq->i_val <= IEEE80211_HWBMISS_MAX))
2928 vap->iv_bmissthreshold = ireq->i_val;
2931 case IEEE80211_IOC_CURCHAN:
2932 error = ieee80211_ioctl_setcurchan(vap, ireq);
2934 case IEEE80211_IOC_SHORTGI:
2936 #define IEEE80211_HTCAP_SHORTGI \
2937 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
2938 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
2940 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
2941 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
2942 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
2943 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
2944 #undef IEEE80211_HTCAP_SHORTGI
2947 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
2950 case IEEE80211_IOC_AMPDU:
2951 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
2953 if (ireq->i_val & 1)
2954 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
2956 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
2957 if (ireq->i_val & 2)
2958 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
2960 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
2961 /* NB: reset only if we're operating on an 11n channel */
2965 case IEEE80211_IOC_AMPDU_LIMIT:
2966 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
2967 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
2969 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2970 vap->iv_ampdu_rxmax = ireq->i_val;
2972 vap->iv_ampdu_limit = ireq->i_val;
2975 case IEEE80211_IOC_AMPDU_DENSITY:
2976 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
2977 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
2979 vap->iv_ampdu_density = ireq->i_val;
2982 case IEEE80211_IOC_AMSDU:
2983 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
2985 if (ireq->i_val & 1)
2986 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
2988 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
2989 if (ireq->i_val & 2)
2990 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
2992 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
2993 /* NB: reset only if we're operating on an 11n channel */
2997 case IEEE80211_IOC_AMSDU_LIMIT:
2999 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */
3001 case IEEE80211_IOC_PUREN:
3003 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3005 vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3007 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3008 /* NB: reset only if we're operating on an 11n channel */
3012 case IEEE80211_IOC_DOTH:
3015 /* XXX no capability */
3016 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3019 vap->iv_flags |= IEEE80211_F_DOTH;
3021 vap->iv_flags &= ~IEEE80211_F_DOTH;
3024 case IEEE80211_IOC_REGDOMAIN:
3025 error = ieee80211_ioctl_setregdomain(vap, ireq);
3027 case IEEE80211_IOC_ROAM:
3028 error = ieee80211_ioctl_setroam(vap, ireq);
3030 case IEEE80211_IOC_TXPARAMS:
3031 error = ieee80211_ioctl_settxparams(vap, ireq);
3033 case IEEE80211_IOC_HTCOMPAT:
3035 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3037 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3039 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3040 /* NB: reset only if we're operating on an 11n channel */
3044 case IEEE80211_IOC_DWDS:
3046 /* NB: DWDS only makes sense for WDS-capable devices */
3047 if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3049 /* NB: DWDS is used only with ap+sta vaps */
3050 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3051 vap->iv_opmode != IEEE80211_M_STA)
3053 vap->iv_flags |= IEEE80211_F_DWDS;
3054 if (vap->iv_opmode == IEEE80211_M_STA)
3055 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3057 vap->iv_flags &= ~IEEE80211_F_DWDS;
3058 if (vap->iv_opmode == IEEE80211_M_STA)
3059 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3062 case IEEE80211_IOC_INACTIVITY:
3064 vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3066 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3068 case IEEE80211_IOC_APPIE:
3069 error = ieee80211_ioctl_setappie(vap, ireq);
3071 case IEEE80211_IOC_WPS:
3073 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3075 vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3077 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3079 case IEEE80211_IOC_TSN:
3081 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3083 vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3085 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3087 case IEEE80211_IOC_CHANSWITCH:
3088 error = ieee80211_ioctl_chanswitch(vap, ireq);
3090 case IEEE80211_IOC_DFS:
3092 if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3094 /* NB: DFS requires 11h support */
3095 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3097 vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3099 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3101 case IEEE80211_IOC_DOTD:
3103 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3105 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3106 if (vap->iv_opmode == IEEE80211_M_STA)
3109 case IEEE80211_IOC_HTPROTMODE:
3110 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3112 ic->ic_htprotmode = ireq->i_val ?
3113 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3114 /* NB: if not operating in 11n this can wait */
3118 case IEEE80211_IOC_STA_VLAN:
3119 error = ieee80211_ioctl_setstavlan(vap, ireq);
3121 case IEEE80211_IOC_SMPS:
3122 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3123 ireq->i_val == 0x0008) /* value of 2 is reserved */
3125 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3126 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3128 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3130 /* NB: if not operating in 11n this can wait */
3134 case IEEE80211_IOC_RIFS:
3135 if (ireq->i_val != 0) {
3136 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3138 vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3140 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3141 /* NB: if not operating in 11n this can wait */
3146 error = ieee80211_ioctl_setdefault(vap, ireq);
3150 * The convention is that ENETRESET means an operation
3151 * requires a complete re-initialization of the device (e.g.
3152 * changing something that affects the association state).
3153 * ERESTART means the request may be handled with only a
3154 * reload of the hardware state. We hand ERESTART requests
3155 * to the iv_reset callback so the driver can decide. If
3156 * a device does not fillin iv_reset then it defaults to one
3157 * that returns ENETRESET. Otherwise a driver may return
3158 * ENETRESET (in which case a full reset will be done) or
3159 * 0 to mean there's no need to do anything (e.g. when the
3160 * change has no effect on the driver/device).
3162 if (error == ERESTART)
3163 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3164 vap->iv_reset(vap, ireq->i_type) : 0;
3165 if (error == ENETRESET) {
3166 /* XXX need to re-think AUTO handling */
3167 if (IS_UP_AUTO(vap))
3168 ieee80211_init(vap);
3175 * Rebuild the parent's multicast address list after an add/del
3176 * of a multicast address for a vap. We have no way to tell
3177 * what happened above to optimize the work so we purge the entire
3178 * list and rebuild from scratch. This is way expensive.
3179 * Note also the half-baked workaround for if_addmulti calling
3180 * back to the parent device; there's no way to insert mcast
3181 * entries quietly and/or cheaply.
3184 ieee80211_ioctl_updatemulti(struct ieee80211com *ic)
3186 struct ifnet *parent = ic->ic_ifp;
3187 struct ieee80211vap *vap;
3191 if_purgemaddrs(parent);
3192 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */
3193 parent->if_ioctl = NULL;
3194 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
3195 struct ifnet *ifp = vap->iv_ifp;
3196 struct ifmultiaddr *ifma;
3198 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
3199 (void) if_addmulti(parent, ifma->ifma_addr, NULL);
3201 parent->if_ioctl = ioctl;
3202 ieee80211_runtask(ic, &ic->ic_mcast_task);
3203 IEEE80211_UNLOCK(ic);
3207 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3209 struct ieee80211vap *vap = ifp->if_softc;
3210 struct ieee80211com *ic = vap->iv_ic;
3213 struct ifaddr *ifa; /* XXX */
3218 ieee80211_syncifflag_locked(ic, IFF_PROMISC);
3219 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI);
3220 if (ifp->if_flags & IFF_UP) {
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.
3227 if (vap->iv_state == IEEE80211_S_INIT)
3228 ieee80211_start_locked(vap);
3229 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3231 * Stop ourself. If we are the last vap to be
3232 * marked down the parent will also be taken down.
3234 ieee80211_stop_locked(vap);
3236 IEEE80211_UNLOCK(ic);
3237 /* Wait for parent ioctl handler if it was queued */
3238 ieee80211_waitfor_parent(ic);
3242 ieee80211_ioctl_updatemulti(ic);
3246 ifr = (struct ifreq *)data;
3247 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3250 error = ieee80211_ioctl_get80211(vap, cmd,
3251 (struct ieee80211req *) data);
3254 error = priv_check(curthread, PRIV_NET80211_MANAGE);
3256 error = ieee80211_ioctl_set80211(vap, cmd,
3257 (struct ieee80211req *) data);
3259 case SIOCG80211STATS:
3260 ifr = (struct ifreq *)data;
3261 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats));
3264 ifr = (struct ifreq *)data;
3265 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3266 ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3269 ifp->if_mtu = ifr->ifr_mtu;
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
3279 ifa = (struct ifaddr *) data;
3280 switch (ifa->ifa_addr->sa_family) {
3283 if ((ifp->if_flags & IFF_UP) == 0) {
3284 ifp->if_flags |= IFF_UP;
3285 ifp->if_init(ifp->if_softc);
3287 arp_ifinit(ifp, ifa);
3292 * XXX - This code is probably wrong,
3293 * but has been copied many times.
3296 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
3298 if (ipx_nullhost(*ina))
3299 ina->x_host = *(union ipx_host *)
3302 bcopy((caddr_t) ina->x_host.c_host,
3303 (caddr_t) IF_LLADDR(ifp),
3309 if ((ifp->if_flags & IFF_UP) == 0) {
3310 ifp->if_flags |= IFF_UP;
3311 ifp->if_init(ifp->if_softc);
3316 /* Pass NDIS ioctls up to the driver */
3319 case SIOCGPRIVATE_0: {
3320 struct ifnet *parent = vap->iv_ic->ic_ifp;
3321 error = parent->if_ioctl(parent, cmd, data);
3325 error = ether_ioctl(ifp, cmd, data);